The statement, in a mixture of gases, the total pressure is the sum of the individual partial pressures of gases in the mixture paraphrases ________.

Answers

Answer 1

Dalton's law

States that the total pressure exerted by a mixture of gases is the sum of the pressures exerted independently by each gas in the mixture.

What is Dalton's law of partial pressure ?

Dalton's law, which states that a gas mixture's overall pressure is equal to the sum of its component gases' partial pressures. The pressure that each gas would produce if it occupied the same volume of the mixture by itself at the same temperature is known as the partial pressure.

The pressure that each gas would produce if it occupied the same volume of the mixture at the same temperature alone is referred to as the partial pressure.

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Related Questions

The group of students then did an experiment using four different solutes to see which one would be best in their hot pack. To determine which solute would be best, the students mixed 20 g of each solute into separate containers that each held 50 mL of 24°C water. The students then recorded the temperature changes in each container. The data table below shows the maximum and minimum temperature they obtained for each solute, as well as the temperature difference.

Answers

Based on the value of temperature increase, the best solute to be used in the hot pack is calcium chloride.

What are exothermic reactions?

Exothermic reactions are reactions in which heat is liberated or given by the substances reacting.

The reaction in hot packs are exothermic reactions.

Based on the increase in temperature observed when 20 g of each solute is  mixed into separate containers that each held 50 mL of 24°C water, the best solute to be used in the hot pack is calcium chloride.

In conclusion, exothermic reactions give off heat.

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Which rule for assigning oxidation numbers is correct?
Hydrogen is usually –1.
Oxygen is usually –2.
A pure group 1 element is +1.
A monatomic ion is 0.

Answers

The incorrect rule for assigning oxidation numbers is Hydrogen is usually –1.

Hydrogen is usually +1

What is oxidation number?

Oxidation numbers can be defined as that number which is assigned to an element in chemical reaction which represents the number of electrons lost or gained.

So therefore, the incorrect rule for assigning oxidation numbers is Hydrogen is usually –1.

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Answer:

B: Oxygen is usually –2.

Explanation:

A sample of an unknown substance has a mass of 0. 465 kg. If 3,000. 0 j of heat is required to heat the substance from 50. 0°c to 100. 0°c, what is the specific heat of the substance? use q equals m c subscript p delta t.

Answers

Answer:

.129 J / g-C

Explanation:

specific heat =  J / g-°C

                     = 3000 J / ( 465 g  * 50C ) =.129 J /g-C

A sparingly soluble metal hydroxide, m(oh)2 has a molar solubility of s mol/l at 25°c. its ksp value is:______

Answers

The value of the Ksp can be obtained in terms of s as 4s^3.

What is Ksp?

The term Ksp has to do with the solubility product. It is the extent to which a substance can dissolve in water. We know that the solubility of the substance can be given as;

M(OH)2(s) ⇔M^+(aq) + 2OH^-(aq)

Ksp = s * (2s)^2

Ksp = s * 4s^2

Ksp = 4s^3

Thus it follows that the value of the Ksp can be obtained in terms of s as 4s^3.

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Determine the molarity of a solution that contains 30 moles naoh in 0.80 liters of solution?

Answers

Taking into account the definition of molarity,  the molarity of a solution that contains 30 moles naoh in 0.80 liters of solution is 37.5 [tex]\frac{moles}{liters}[/tex].

Definition of molarity

Molar concentration or molarity is a measure of the concentration of a solute in a solution and indicates the number of moles of solute that are dissolved in a given volume.

The molarity of a solution is calculated by dividing the moles of solute by the volume of the solution:

[tex]Molarity=\frac{number of moles}{volume}[/tex]

Molarity is expressed in units [tex]\frac{moles}{liters}[/tex].

This case

In this case, you have:

number of moles= 30 molesvolume= 0.80 L

Replacing in the definition of molarity:

[tex]Molarity=\frac{30 moles }{0.80 L}[/tex]

Solving:

Molarity= 37.5 [tex]\frac{moles}{liters}[/tex]

Finally, the molarity of a solution that contains 30 moles naoh in 0.80 liters of solution is 37.5 [tex]\frac{moles}{liters}[/tex].

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In your reaction you started with a solution that was approximately 8 M acetic acid and 4 M isopentyl alcohol. Use the equilibrium expression for this reaction to calculate the final concentrations of water, isopentyl acetate, isopentyl alcohol, and acetic acid (you'll need to use the quadratic equation to solve this expression) assuming that the equilibrium constant is 4.2. Calculate the percent yield of isopentyl acetate to which this value would correspond.

Answers

The final concentrations of water, isopentyl acetate, isopentyl alcohol, and acetic acid obtained on using equilibrium expression are 3.4M, 3.4M, 0.6M , 4.6M

Using ICE table:-

      Acetic acid  +  Isopentyl alcohol   ------>    Isopentyl acetate +  water

I         8M                   4M                                           0                           0

C        8-x                   4-x                                          +x                          +x                      

E        8-x                   4-x                                          +x                          +x

Equilibrium constant (Keq) = 4.2

On using the equilibrium expression -

Keq = [Product] / [Reactant]

Keq = x^2 / (8-x) (4-x )

4.2  =  x^2 / 32 - 8x - 4x + x^2

    x =  3.4

Concentration of acetic acid  = 8-x = 8-3.4 = 4.6M

Concentration of isopentyl alcohol = 4-x = 4-3.4 = 0.6M

Concentration of isopentyl acetate = x = 3.4M

Concentration of water = x = 3.4M

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Carbon has six protons; therefore, its mass number is six.
a. true
b. false

Answers

Answer:

B.) False

Explanation:

The mass number is determined by adding the number of protons and neutrons in an element's nucleus. Since carbon has 6 protons and 6 neutrons, the mass number is 12.

The atomic number is determined by the number of protons in an element's nucleus. Since carbon has 6 protons, the atomic number is 6.

Cesium sulfite is formed from the cs cation and the so2−3 anion. What is the correct formula for this compound?

Answers

Cesium Sulfite is formed from the Cs cation and the SO₃⁻² anion. The correct formula for this compound is Cs₂SO₃.

What is Cation ?

Cations are positively charged ions. It forms when an element lose one or more electrons.


What is Anion ?

Anions are negatively charged ions. It form when an element gains one or more electrons.

Symbol         Cs⁺¹         SO₃⁻²

Valency           +1              -2

Formula of the compound is Cs₂SO₃.

Thus from the above conclusion we can say that Cesium Sulfite is formed from the Cs cation and the SO₃⁻² anion. The correct formula for this compound is Cs₂SO₃.

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A student started with 0.3295 g of copper. The mass of filter paper and copper (II) oxide product was found to be 0.5723 g, and that of the filter paper alone was 0.2568 g. Calculate the percent yield of copper (II) oxide.

Answers

The percent yield will be 95.75%

Percent yield

Mass of copper = 0.3295 g

Mass of filter paper + copper (II) oxide = 0.5723

Mass of filter paper only = 0.2568

Mass of copper (II) oxide = 0.5723 - 0.2568 = 0.3155

Percent yield = yield/total x 100%

                      = 0.3155/0.3295 x 100% = 95.75%

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chemical engineer has determined by measurements that there are moles of nickel in a sample of nickel tetracarbonyl. How many moles of oxygen are in the sample

Answers

A chemical engineer has determined by measurements that there are 7.0 moles of carbon in a sample of nickel tetracarbonyl. 7 moles of oxygen are in the sample.

What is Stoichiometry ?

Stoichiometry helps us use the balanced chemical equation to measure quantitative relationships and it is to calculate the amounts of products and reactants that are given in a reaction.

What is Balanced Chemical Equation ?

The balanced chemical equation is the equation in which the number of atoms on the reactant side is equal to the number of atoms on the product side in an equation.

According to Stoichiometry

[tex]7\ \text{mol C} \times \frac{1\ \text{mol O}}{1\ \text{mol C}}[/tex]

= 7 mol O

Thus from the above conclusion we can say that A chemical engineer has determined by measurements that there are 7.0 moles of carbon in a sample of nickel tetracarbonyl. 7 moles of oxygen are in the sample.

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Disclaimer: The question was given incomplete on the portal. Here is the complete question.

Question: This is the chemical formula for Nickel Tetracarbonyl (a powerfully poisonous liquid used in Nickel Refining).

Ni(CO)₄

A chemical engineer has determined by measurements that there are 7.0 moles of carbon in a sample of nickel tetracarbonyl. How many moles of oxygen are in the sample ?

Control rods in a nuclear reactor...
Select one:
a. remove heat from the reactor core.
b. provide fuel for the reaction.
c. control a chain reaction by absorbing neutrons.
d. prevent the leakage of radiation into the environment.

Answers

Control rods in a nuclear reactor control a chain reaction by absorbing neutrons. Option C

What are control rods?

The control rods are rods that are inserted into the nuclear reactor in order to absorb the neutrons thereby preventing the nuclear reaction from going out of hand.

Hence, control rods in a nuclear reactor control a chain reaction by absorbing neutrons. Option C

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If the reaction has reached equilibrium and then the sealed reaction vessel expands, increasing the volume, the reaction would ____.

Answers

If the reaction has reached equilibrium and then the sealed reaction vessel expands, increasing the volume, the reaction would increase.

The equilibrium will change to favor the direction that produces more moles of gas when the volume is increased.

Equilibrium is a state of balance between opposing forces or actions that can be static (such as when forces are applied to a body and the resultant is zero) or dynamic (such as during a reversible chemical reaction when the velocities in both directions are equal). It can also be a state of equilibrium between the mind and the body.

In terms of economics, equilibrium occurs when supply and demand are equal. When you are composed and steady, you are in an equilibrium state.

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In the reaction catalyzed by the pyruvate dehydrogenase complex, the two carbons constituting the acetyl group are.

Answers

In the reaction catalyzed by the pyruvate dehydrogenase complex, the two carbons constituting the acetyl group are oxidized by NAD+ while attached to the lipoamide.

Pyruvate dehydrogenase influencing the reaction:

A multienzyme complex called pyruvate dehydrogenase (PDH) catalyzes the oxidative conversion of pyruvate into acetyl coenzyme A (CoA), carbon dioxide (CO2), and reducing equivalents in the form of NADH.

Reaction:The pyruvate dehydrogenase complex catalyzes the oxidative decarboxylation of pyruvate to the acetyl group of acetyl-CoA.This complex requires the sequential action of three different enzymes and five different enzymes and five different coenzymes or prosthetic groups - Thiamine pyrophosphate(TPP), flavin adenine dinucleotide(FAD), coenzyme A(CoA-SH), Nicotinamide adenine dinucleotide(NAD).

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________ are weak bonds that are not strong enough to hold atoms together to form molecules but are strong enough to form bonds within and around large molecules.

Answers

Hydrogen bonds are weak bonds that are not strong enough to hold atoms together to form molecules but are strong enough to form bonds within and around large molecules.

The hydrogen bond is weak bond.The hydrogen bond  is electrostatic force of attraction between hydrogen atom and more electronegative atoms or group ( like Florine , oxygen or nitrogen) which is contently bonded.The hydrogen bond is occur in polar , contently bond atoms in different molecules.Example is H-O-H or [tex]NH_{3}[/tex]The positively charged hydrogen side of one water molecule is bond with negatively charged oxygen side of another molecule.

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Ammonia, NH3, undergoes reaction with oxygen to form nitrogen and water. When 7.00 x 1022 molecules of ammonia react with 6.00 x 1022 molecules of oxygen, what mass of nitrogen results (grams)

Answers

Amount of nitrogen produced = 1.624 g

To calculate the moles, we use the equation:    

4NH3(g) + 3 O2 (g) ---> 2 N2 (g) + 6 H2O (g)                           ....(1)

For ammonia:

Putting values in above equation, we get:

Moles of ammonia = 7.00 x 1022 / 6.023 * 10 ^23 = 0.116 mol

Moles of oxygen = 6.00 x 1022 / 6.023 * 10 ^23 = 0.099 mol

For the reaction:

4NH3(g) + 3 O2 (g) ---> 2 N2 (g) + 6 H2O (g)

By Stoichiometry of the reaction,

4 moles of ammonia combine with 3 moles of Oxygen

Thus 0.116 moles of ammonia will combine with= 3/4 * 0.116 = 0.087 of oxygen

Thus ammonia is the limiting reagent as it limits the formation of product.

4 moles of ammonia produces 2 moles of nitrogen

0.132 moles of ammonia will produce=2/4 * 0.116 = 0.058 of nitrogen

Molar mass of nitrogen =  28 g/mol

Amount of nitrogen produced=

No of moles * molar mass = 0.058 * 282 = 1.624 g

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It takes 38. 6 kj of energy to vaporize 1. 00 mol of ethanol (mw: 46. 07 g/mol). What will be δssys for the vaporization of 11. 0 g of ethanol at 78. 4 °c?

Answers

Answer:

9.21 kJ is the enrgy required to vaporize 11.0 grams of ethanol.

Explanation:

Energy of vaporization can be stated as 38.6 kj/mole for ethanol.  ["It takes 38. 6 kj of energy to vaporize 1. 00 mol of ethanol"]

11.0 grams of ethanol is not 1 mole.  Calculate the moles of ethanol by dividing t=it's mass by its molar mass:

(11.0 grams)/(46.07 g/mole) = 0.2388 moles ethanol

(0.2388 moles ethanol)*(38.6 kj/mole) = 9.21 kJ is the enrgy required to vaporize 11.0 grams of ethanol.

age
Which of the following has the greatest mass?
Select one:
1.0 mole of Zn
1.0 mole of Cu
1.0 mole of Fe
they all have the same mass

Answers

Answer:

Option (2)

Explanation:

Since the amount of each sample is the same, we are looking for the metal with the greatest density, which is copper.

Life alters the atmosphere by producing and removing _____________________, carbon dioxide, and methane.

Answers

Life alters the atmosphere by producing and removing oxygen, carbon dioxide, and methane.

Burning fossil fuels like coal, and natural gas, including oil, solid waste, trees, and other biological materials release carbon dioxide into the atmosphere, along with some chemical reactions.

It is thought that the first billion years of Earth's history saw a lot of volcanic activity. With little to no oxygen, the early atmosphere was presumably primarily composed of carbon dioxide.

Therefore, life alters the atmosphere by producing and removing oxygen, carbon dioxide, and methane.

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A positive correlation ______ a causal link, and a negative correlation ______ a causal link.

A. does not necessarily indicate, does not necessarily indicate
B. does not necessarily indicate, always indicates
C. always indicates, does not necessarily indicate
D. always indicates, always indicates

Answers

A  positive correlation does not necessarily indicate a causal link, and a negative correlation does not necessarily indicate a causal link; option A.

What is a correlation?

A correlation is a relationship that exists between two variables.

A positive correlation indicates a direct relationship while a negative correlation shows an inverse relationship.

However, a positive correlation does not necessarily indicate a causal link, and a negative correlation does not necessarily indicate a causal link.

In conclusion, a correlation indicates a relationship between two values.

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What was the first expert system developed to determine the chemical structure of molecules?

Answers

Dendral was the first expert system developed to determine the chemical structure of molecules.

A molecule refers to a set of (2) or more atoms that are chemically bonded collectively, which allows you to form the smallest essential unit of a chemical compound. additionally, molecules are capable of taking elements in a chemical reaction.

A molecule is the smallest particle of a substance that has all of the physical and chemical houses. Molecules are made up of one or extra atoms. A molecule is a hard and speedy of or greater atoms held together via the use of a way of appealing forces called chemical bonds.

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Oxygen is a gas at 20 °C .
(i) Describe the arrangement and behavior of the particles in the gas.

Answers

Answer:

They are not arranged in a particular way.They have negligible intermolecular force of attraction and having more spaces between the particles.

What is the temperature change the H2O sample

Answers

Answer:

5.0 °C

Explanation:

To find the temperature change, you need to use the following equation:

Q = mcΔT

In this equation,

-----> Q = heat energy (J)

-----> m = mass (g)

-----> c = specific heat capacity (J/g°C)

-----> ΔT = temperature change (°C)

You can find the temperature change by plugging the given values into the equation and simplifying.

Q = 209 J                      c = 4.18 J/g°C

m = 10.0 g                     ΔT = ? °C

Q = mcΔT                                                      <----- Equation

209 J = (10.0 g)(4.18 J/g°C)ΔT                     <----- Insert values

209 J = (41.8)ΔT                                           <----- Multiply 10.0 and 4.18

5.0 = ΔT                                                       <----- Divide both sides by 41.8

Answer:

5° C  temp change

Explanation:

Q = m c T  

       Given:  Q =209    m = 10    c = 4.18     looking for T (change in temp)

209 = 10 * 4.18 T

T = 209 / (10*4.18) = 5° C

What mass of lithium carbonate (in grams) must be added to 25.0 mL of 0.335 M hydrochloric acid solution to completely neutralize the acid

Answers

Answer: 0.309g

Explanation:

3 A+B 2C+D
What is the percent yield of the reaction if 7.00 mol of A actually formed 1.00 mol of
C?

Answers

Answer:

Percent Yield  =  21.4% C

Explanation:

The actual yield is the value that was produced after conducting an experiment. The theoretical yield is the value calculated using the balanced chemical equation.

To find the percent yield, you need to (1) convert moles A to moles C (via the mole-to-mole ratio from equation coefficients) and then (2) calculate the percent yield. It is important to arrange the ratios in a way that allows for the cancellation of units. The final answer should have 3 sig figs to match the sig figs of the values given.

3 A + B -----> 2 C + D
^                    ^

7.00 moles A          2 moles C
---------------------  x  ----------------------  =  4.67 moles C
                                 3 moles A

                                 Actual Yield
Percent Yield  =  ------------------------------  x  100%
                              Theoretical Yield

                              1.00 moles C
Percent Yield  =  -------------------------  x  100%
                              4.67 moles C

Percent Yield  =  21.4% C

Given the balanced equation: 2KClO3 --> 2KCl 3O2 What type of reaction is represented by this equation

Answers

The correct option is (2) decomposition.

In the balanced equation 2KClO3==> 2KCl + 3O2, as there is a reduction of oxygen therefore it is decomposition reaction.

What is decomposition reaction?

A chemical reaction that results in the breakdown of one reactant into two or more reactants is known as a decomposition reaction.

The general equation for decomposition is-

AB -> A + B

Where A & B are now the product molecules and AB is the parent (reactant) molecule.

Some key features of the decomposition reaction are-

A combination reaction is the opposite of the a decomposition reaction. In such reactions, a single product is created form two or even more reactants.Decomposition processes are not always endothermic. Both endothermic and exothermic reactions can take place during decomposition. This one is more typical than the former, though.Extraction of metal from their ores is a significant use of decomposition processes. For instance, by putting calamine through a breakdown reaction, zinc can be extracted. The same process can be used to make sodium form sodium chloride (NaCl).A type of decomposition reaction known to be a double decomposition reaction involves the exchange of positive and negative ions between two constituent reactants to create two new molecules.

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The complete question is-

Given the balanced equation:

2KClO3==> 2KCl + 3O2

Which type of reaction is represented by this equation?

(1) synthesis

(2) decomposition

(3) single replacement

(4) double replacement

Silver bromide is the photosensitive material in 35 mm photographic film. When monochromatic light falls on film, the photons are recorded if
they contain sufficient energy to react with silver bromide in the film. The minimum energy needed to do this is approximately 57.9 kJ/mol. What
is the wavelength of this energy in nm?

Answers

The minimum energy needed by the photons to react with silver bromide in the film is approximately 57.9 kJ/mol. Then, the wavelength is 206 nm.

What is wavelength?

Wavelength of a wave is the distance between two consecutive crests or troughs of the wave.

To find the wavelength of the energy in nm, we can use the equation:

E = hc/λ

where E is the energy in joules, h is Planck's constant (6.626 x 10⁻³⁴ J s), c is the speed of light (2.998 x 10⁸ m/s), and λ is the wavelength in meters.

First, we need to convert the energy from kJ/mol to J/photon:

57.9 kJ/mol = 57.9 x 1000 J/mol / 6.02 x 10²³ mol^-1

= 9.626 x 10²⁰ J/photon

Now we can use the equation above to find the wavelength:

9.626 x 10²⁰ J/photon = (6.626 x 10⁻³⁴ J s)(2.998 x 10⁸ m/s) / λ

Solving for λ, we get:

λ = hc/E = (6.626 x 10⁻³⁴ J s)(2.998 x 10^8 m/s) / 9.626 x 10⁻²⁰J/photon

  = 2.06 x 10⁻⁷ m

Finally, we convert the wavelength from meters to nanometers:

λ = 2.06 x 10⁻⁷ m x (10⁻⁹ nm/m)

  = 206 nm

Therefore, the wavelength of the energy needed to react with silver bromide in 35 mm photographic film is approximately 206 nm.

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The population that experienced the highest radioactivity from chernobyl in norway were:______

Answers

The population that experienced the highest radioactivity from chernobyl in norway were "a small community of reindeer herders called the Saami".

Typically, the term "population" denotes the total quantity of people living in a particular area, be it a city or town, region, country, continent, or even the entire world.

The native reindeer herders of Scandinavia could be known as the Sámi. These breathtaking images capture a herd during its yearly journey through summer pastures as well as wintering areas.

Therefore, the population that experienced the highest radioactivity from chernobyl in norway were "a small community of reindeer herders called the Saami".

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What are the correct half reactions for the following reaction:
Zn + 2 HCI -> H₂ +zncl2

Answers

Answer:

Zn(s) + 2H+(aq) => Zn²+(aq) + H2 (g)

Explanation:

The equation Zn + 2 HCI -> H₂ +zncl2 on reduction and oxidation, it results as below;

2H+ + 2e- => H2 ; reductionZn => Zn²+ + 2e- ; oxidation

The equations above are half cell.

On combination of the above half cell reaction equations gives;

Zn(s) + 2H+(aq) => Zn²+(aq) + H2 (g).

Therefore, the half reaction equation for Zn + 2 HCI -> H₂ +zncl2 is given by;

Zn(s) + 2H+(aq) => Zn²+(aq) + H2 (g).

What mass of oxygen gas (o2) should occupy a 25. 0 l container when the pressure is 665 torr and the temperature is 55. 0ºc?

Answers

The mass of oxygen gas is 26.0 g.

Given,

Volume (V) = 25.0 L

665

Pressure (P) = 665 torr =

760 atm = 0.875 atm

Temperature (T) = 55 C = (55+2730) K = 328 K

Now using the Ideal gas law, calculate the mole of oxygen gas (02)

PV = nRT

atm . L

0.875 atm x 25.0 L = n x 0.082-

X 328K

mole . K

n = 0.813 mole

Using the molar mass of Oz = 32.0 g/mole, Calculate the mass of Oz

mass = 0.813 mole x 32.0 mole

mass = 26.016 g

mass = 26.0 g

The answer is 26.0 g.

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What is the wavelength of a photon if the energy is 7.69 × 10⁻¹⁹ j? (h = 6.626 × 10⁻³⁴ j • s)

Answers

The wavelength of a photon if the energy is 7.69 × 10⁻¹⁹ J is

Calculation,

Given energy = 7.69 × 10⁻¹⁹ J

Plank's constant =  6.626 × 10⁻³⁴ J.s

Formula used:

E = hv

E is the energyh is plank's constantv s frequency

v = c/ lemda

Where, c = speed of light =

lamda = wavelength of the photon

Putting the value of v in equation (i), and rearrange the equation.

E = hc/lemda =  6.626 × 10⁻³⁴ J×3[tex]10^{8}[/tex]/lemda =  7.69 × 10⁻¹⁹ J.s

lamda = 6.626 × 10⁻³⁴J×3[tex]10^{8}[/tex] m[tex]s^{-1}[/tex]/7.69 × 10⁻¹⁹J.s = 2.58× [tex]10^{-9}[/tex]m =2.58 nm

So, wavelength of a photon is 2.58 nm

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bottom up approach is not applicable when Try itwriting a SummaryWith advancing years I feel I must give this question ofwhat I want to leave behind me greater thought, forbefore long I shall be moving on to fields unknown, andperhaps it may make a difference if I actually know whatI would like to bequeath to a new generation. Perhaps thebest I can do is to pray that the youth of today will havethe ability to live simply and to get joy out of living, thedesire to give of themselves and to make themselvesworthy of giving, and the strength to do without anythingwhich does not serve the interests of the brotherhood ofman. If I can bequeath these desires to my own children,it seems to me I will not have lived in vain.-"What I Hope to Leave Behind,"Eleanor RooseveltBased on the final paragraph and what you rememberfrom the speech overall, write three to four sentencessummarizing what Roosevelt hopes to leave behind. The swallowing center is located in the __________. How do the pill and mini-pill provide protection against pregnancy?O They kill sperm.O They block sperm from reaching an egg.O They prevent the ovaries from releasing an egg.They release progestin into the body to prevent fertilization. Solve for x.A) 6B) 4C) 5D) 7 The southern most tip of the main land of India is_____ The small spherical planet called "Glob" has a mass of 7.881018 kg and a radius of 6.32104 m. An astronaut on the surface of Glob throws a rock straight up. The rock reaches a maximum height of 1.44103 m, above the surface of the planet, before it falls back down. 1. What was the initial speed of the rock as it left the astronaut's hand? (Glob has no atmosphere, so no energy is lost to air friction. G = 6.6710-11 Nm2/kg2.)2. A 36.0 kg satellite is in a circular orbit with a radius of 1.45105 m around the planet Glob. Calculate the speed of the satellite. A machine in a candy company creates 9,328 pieces of candy each hour. if a box holds 98 pieces of candy, how many boxes can be filled in one hour? Grant and Reid are six-year old twins. They want to find a way to get the frisbee off of the roof without asking for help, so Grant climbs a tree in order to push down a branch so that Reid can reach it. They wiggle the branch until it snaps, then use the branch with a fan of leaves to sweep down the frisbee. Their solution relies on ________ intelligence. While the skin has the ability to block uv light which may cause damage, it also has the ability to absorb:__________ The crosstab query wizard asks you to select fields for the _____, column headings, and values Read this portion of an outline from passage.I. Organic produce is healthier than conventional produceA. Organic produce1. No artificial pesticides are used.2. No artificial fertilizers are used.3. Crops that are genetically modified organisms are not used.4. Organic produce has higher antioxidant content to compared to conventional.B. Conventional produce1. Artificial pesticides are used.2. Artificial fertilizers are used.3. Crops that are genetically modified organisms can be used.4. Conventional produce has low antioxidant contents compared to organic produce.What comparison strategy does the author use in the passage? point-by-point comparison farm-to-table comparisonO organic-versus-conventional comparisonHelpO subject-by-subject comparison Find the coefficient of t to the 4th power in the expansion of (-9t-9) to the 7th power select one: a. -25,515 b. -100,442,349 c. -167,403, 915 d. -4,782, 969 Some union agreements state that current employees must be informed of upcoming new openings. This practice is called job? Juan bought a sweater for $15.95 and two shirts for $9.00 each. how much did juan spend on clothes? Need help with this question Read the excerpt from Martin Luther King Jr.s "I Have a Dream speech.Fivescore years ago, a great American, in whose symbolic shadow we stand today, signed the Emancipation Proclamation. This momentous decree came as a great beacon light of hope to millions of Negro slaves who had been seared in the flames of withering injustice. It came as a joyous daybreak to end the long night of their captivity.The emotional connotation of the underlined word helps King emphasize the documentshistory.significance.timing.creativity. There are 86,400, frames of animation in 1 hour of anime.How many frames are there per second?There are 3,600, seconds in 1 hour. Question 12 of 20Subtract.(2x+5)-(4x-3)OA. 2x-4x+2OB. -2x +8OC. 2x2-4x+8OD. -2x+2 Identifying Igneous Rock FormationFill in the blanks to complete each statement about igneous rock formation. intrusive rocks form when extrusive cools below Earths surface. rocks form when cools on Earths surface.