The volume of the propane gas at standard pressure is 413861.25L.
The gas law needed to solve the volume of propane gas at standard pressure is Boyle's law.
Boyle's lawBoyle's law states that the volume of a given mass of gas is inversely proportional to its pressure, provided that the temperature remains contant.
Boyle's law can be expressed mathematically as
P₁V₁ = P₂V₂............... Equation 1Where:
P₁ = Initial pressure of octane gasV₁ = Initial volume of octane gasP₂ = Final pressure of octane gasV₂ = Final volume of octane gas.Since we were asked to find the final volume in the question above, we make V₂ The subject of the equation.
V₂ = P₁V₁/P₂................... Equation 2From the question,
Given:
P₁ = 1.27 atmV₁ = 325875 LP₂ = 1 atm (Standard pressure)Substitute the given values into equation 2
V₂ = (1.27×325875)/1V₂ = 413861.25 L.Hence, the volume of the propane gas at standard pressure is 413861.25L.
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What is the pOH of a solution of HNO3 that has [OH– ] = 9. 50 × 10–9 M?.
8.022 is the value of pOH of the HNO₃ solution.
How pOH can be calculated?pOH of the HNO₃ solution can be calculated as:
pOH = -log [OH⁻], where
[OH⁻] = concentration of hydroxyl ion = 9. 50 × 10⁻⁹ M
Putting this value in the above equation, we get
pOH = -log ( 9. 50 × 10⁻⁹)
pOH = - (- 8.022) = 8.022
Hence, pOH of the HNO₃ solution is 8.022.
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What is the molality of a CaCl2 solution that contains 166.5 g CaCl2 and is dissolved in 3.5kg of water? 0.429 molal 47.6 molal 5.25 molal 1.50 molal
The molality of the CaCl₂ solution given that 166.5 g of CaCl₂ dissolves in 3.5 Kg of water is 0.429 M
What is molality?This is the defines as the mole of solute per unit mass (in Kilogram) of water.
Molality = mole / mass of water (in Kg)
How to determine the mole of CaCl₂The mole of 166.5 g of CaCl₂ can be obtained as illustrated below:
Mass of CaCl₂ = 166.5 gMolar mass of CaCl₂ = 40 + (35.5×2) = 111 g/moleMole of CaCl₂ = ?Mole = mass / molar mass
Mole of CaCl₂ = 166.5 / 111
Mole of CaCl₂ = 1.5 moles
How to determine molality of the solutionThe molality of the CaCl₂ solution can be obtained as illustrated below:
Mole of CaCl₂ = 1.5 molesMass of water = 3.5 KgMolality of CaCl₂ = ?Molality = mole / mass of water (in Kg)
Molality of CaCl₂ = 1.5 / 3.5
Molality of CaCl₂ = 0.429 M
Thus, the molality of the solution is 0.429 M
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H2S has what kind of intermolecular force?
a. dipole dipole
b. ionic
c. london dispersion
d. hydrogen bond
explain why
Answer:
A
Explanation:
The intermolecular force which polar molecules take part in are dipole-dipole forces.
PLEASE HELP!!!!!
Deep-sea divers use a breathing mixture of helium, oxygen, and carbon dioxide. What is the partial pressure of oxygen if the total pressure of the mixture is 760 mm Hg, the pressure exerted by the helium is 609 mm Hg, and the pressure exerted by the carbon dioxide is 1 mm Hg?
A
760 mm Hg
B
500 mm Hg
C
150 mm Hg
D
609 mm Hg
A gaseous mixture (760 mmHg) containing helium (609 mmHg), carbon dioxide (1 mmHg) and oxygen (C. 150 mmHg).
What does Dalton's law of partial pressures state?Dalton's law of partial pressures states that the total pressure of a mixture of gases is equal to the sum of the partial pressures of the component gases.
A gaseous mixture with a total pressure of 760 mmHg contains Helium (609 mmHg), carbon dioxide (1 mmHg) and oxygen. We can calculate the partial pressure of oxygen using Dalton's law.
P = pHe + pCO₂ + pO₂
pO₂ = P - pHe - pCO₂
pO₂ = 760 mmHg - 609 mmHg - 1 mmHg = 150 mmHg
where,
P is the total pressure.pHe is the partial pressure of helium.pCO₂ is the partial pressure of carbon dioxide.pO₂ is the partial pressure of oxygen.A gaseous mixture (760 mmHg) containing helium (609 mmHg), carbon dioxide (1 mmHg) and oxygen (C. 150 mmHg).
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What is nomenclature? -,-
Answer:
the devising or choosing of names for things, especially in a science or other discipline.
Explanation:
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Answer: A nomenclature is a system of naming organisms.
The species to which the organism belongs is indicated by two words, the genus and species names, which are Latinized words derived from various sources.
Explanation:
Convert 30.0g Cu2SO4 to moles
please help
Answer:
0.1 moles
Explanation:
1 grams Cu2SO4 to mol = 0.00448 mol
30 grams Cu2SO4 to mol = 0.13443594709676698 mol
if we round that up - 0.1
1: What type of acid-base reactions are solely defined by how protons are given up or are taken? (0.5pt)
2: What is a Hydroxide ion? (0.5pt)
3: What two products do all acid-base neutralization reactions produce (0.5pt)?
4: Calculate the pH of a 0.25M solution of H3O+ (0.5pt)
5: Calculate the pH of a 6.3x10-8M solution of H3O+ (0.5pt)
6: Look at your answer for 4 and 5 which one is a base? (0.25pt)
7: Look at 4 and 5 which one is a strong acid (be careful with this one I will know that you didn't watch the recording if you get it wrong) (0.25pt)
An acid-base reaction involves the exchange of one or more hydrogen ions H+ which leads to the production of water and salt.
What is a acid–base reaction?An acid–base reaction is a type of chemical reaction that involves the exchange of one or more hydrogen ions H+ means proton, between reactive species. For example, the hydrochloric acid (HCl) reacts with sodium hydroxide (NaOH) produces a solution of sodium chloride (NaCl) and water molecules.
What is a Hydroxide ion?The hydroxide ion is a negatively charged molecule that made up when hydrogen atom bonded to oxygen atom at 1:1 form. It acts as a base that forms ionic compounds when bonded to a positively charged ion molecule.
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The solubility of a solute is the largest amount of solute that can dissolve in a certain quantity of __________. Which word best completes this statement?.
Answer:
Solvent
Explanation:
The solute is the substance that is dissolved.
The solvent is the substance that the solute is dissolved in.
The whole mixture is called the solution
Answer:
Solvent
Explanation:
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Chromate ions react according to the following equation, where the left side of the reaction is yellow and the right side is orange.
CrO42– + 2H+ ⇄ Cr2O72– + H2O
A student adds sodium hydroxide (NaOH) to the solution at equilibrium. In one to two sentences, describe and explain any changes to the solution that the student will observe.
please helpp
NaOH is a base and addition of NaOH will cause the left reaction to proceed and the solution turns yellow.
What is chemical equilibrium?Chemical equilibrium refers to a dynamic stare in which the forward and reverse reactions are occurring at the same time at the same rate.
Any change in the reaction conditions will cause equilibrium to shift either to the left or right.
In the given equation, addition of acid will result in the forward reaction proceeding and the solution turns orange.
The left reaction is favoured on addition of base.
Since NaOH is a base, addition of NaOH will cause the left reaction to proceed.
The solution turns yellow
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The change to the solution is that the addition of NaOH will cause the left reaction to proceed and the solution turns yellow.
What is a solution?A solution means a special type of homogeneous mixture that is composed of two or more substances.
It should be noted that a change in the reaction conditions will cause the equilibrium to shift either to the left or right.
In this case, the addition of NaOH will cause the left reaction to proceed and the solution turns yellow.
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A gas at a constant pressure occupies 2.24 L at 52 C. If the sample is cooled United it takes up 1.66 L what is the new temperature?
A. 0.01 K
B. 0.01 C
C. 32 C
D. 241 K
PLS SHOW WORK
Answer:
D is the answer!Explanation:
Using Charles's Law to solve this question: V1/T1 = V2/T2
V1 = 2.24L
T1 = 52C (covert to Kelvin by plus 273.15) = 325.15K
V2 = 1.66L
T2 = ?
V1/T1 = V2/T2 must change to V2×T1/V1 = T2
1.66 x 325.15/2.24 = V2
V2 = 240.96K ≈ 241K
for every 0.50 moles of CaC2O4 formed, how many moles of NaI are Formed?
Answer:
1.45 moles of Na2O produced
Explanation:
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Which is a general representation of a secondary amine? An N is bonded to two electron dots above; with a dotted triangular line to an H, a solid triangular line to an H, and single line to an H; it is noted that the angle between the last 2 H atoms is 107 degrees. An N with 2 electron dots is linked to an R 1 group with a single line, an H with a triangular line, and and H with a dotted line. An N with 2 electron dots is linked to an R 1 group with a single line, an R 2 group with a triangular line, and and H with a dotted line. An N with 2 electron dots is linked to an R 1 group with a single line, an R 2 group with a triangular line, and an R 3 with a dotted line.
Answer:
B is wrong the answer is C on edge
Explanation:
can someone explain this to me please?
Answer:
Concentration of this solution = 12g/60dm3
Concentration of this solution = 0.2g/dm3
Explanation:
Just use 12 ÷ by 60 as they want the simplify answer
If a teaspoon of sugar dissolved
completely in a glass of water, what type
of mixture is this?
A. heterogeneous
B. homogeneous
C. element
Answer:
b
Explanation:
it's a homogeneous ,because the sugar has completely dissolved into the water and stays completely clear throughout the glass of water.
Select the correct answer.
Why does every chemical reaction require a certain amount of activation energy?
А.
Energy is released when the reactants begin to react.
В.
Energy lost to the environment during the reaction must be replaced.
C. Forming the activated complex requires energy.
D. The products have more potential energy than the activated complex.
E. The reactants have less potential energy than the products.
Answer:
answer is option A
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Which planets are the most dense?
the outer planets Jupiter, Saturn, Uranus, Neptune
the inner planets Jupiter, Saturn, Uranus, Neptune
the inner planets Mercury, Venus, Earth, and Mars
the outer planets Mercury, Venus, Earth, and Mars
Answer:
mars is the most dense I believe
Answer:
A the outer planets Jupiter, Saturn, Uranus, Neptune
Explanation:
4. What happens to the land between 600 feet above sea level and the lake?
Answer:
I think Niagra falls happen
What distance do I cover if I travel at 10 m/s E for 10 s
Can someone help?? this is on weather.
Answer:
a or b
it is either a or be because it will get warmer but might be a little cloudy
Your company currently uses a process with a similar cost of materials that has an average
percent yield of 91 percent. If the average percent yield of this process is higher than that,
this could save the company money. What is your recommendation to the company? Please
support your recommendation using your data, calculations, and understanding of
stoichiometry gathered from this lab. /
The second method is recommended due to high efficiency.
What method should be recommended?If the average percent yield of this process is higher than that, this could save the company money so my recommendation to the company is to adopt the other method for production because it is less costly and providing similar result.
In conclusion, the second method is recommended due to high efficiency.
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Active solar energy is helpful in countries with homes distributed unevenly or in remote
locations.
True
False
Answer:
True
Explanation:
I took the test and got it right.
Answer:
true
Explanation:
got it right on the test!
What is the formula for a compound containing one atom of sodium, one atom of oxygen, and one atom of hydrogen?
Answer:
NaOH
Explanation:
Looking at a periodic table, sodium is Na, oxygen is O and hydrogen is H
If we have a compound containing 1 atom of sodium (Na), 1 atom of oxygen(O) and 1 atom of hydrogen(H) the formula would be NaOH
Bisphenol A is a fat soluble chemical and can get stored in the fat cells of humans. Steven henteges , a spokesman for the American chemistry council said the new data on a consumer exposure to BPA in Canada is very reassuring. Do you think this statement is reassuring? Explain your reason.
(Help me pleaseee!) URGENTLY
Answer:
what do you need to know to decide whether this statement is correct?
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Determine the empirical formula of a compound containing 48.38 grams of carbon, 6.74 grams of hydrogen, and 53.5 grams of oxygen.
In an experiment, the molar mass of the compound was determined to be 180.15 g/mol. What is the molecular formula of the compound?
For both questions, show your work or explain how you determined the formulas by giving specific values used in calculations. (10 points)
The molecular formula of the compound that we are required to find is the compound C4H8O8
What is empirical formula?The empirical formula of a compound is a formula that shows the ratio of each atom present in the compound. We will start by dividing each mass with the relative atomic mass of the atom.
Carbon - 48.38 g/12 Hydrogen - 6.74 g/1 Oxygen - 53.5 g/16
Carbon - 4 Hydrogen - 6.74 Oxygen - 8.9
Dividing through by the lowest ratio;
Carbon - 4/4 Hydrogen - 6.74/4 Oxygen 8.9/4
Carbon 1 Hydrogen 2 Oxygen 2
The empirical formula is CH2O2.
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[12 + 2 + 32]n = 180
n = 180/[12 + 2 + 32]
n =4
The compound C4H8O8
Learn more about empirical formula:
The empirical formula is [tex]COH_{2}[/tex], and the molecular formula is [tex]C_{6}O_{6}H_{12}[/tex].
A student heats the same amount of two different liquids over Bunsen burners. Each liquid is at room temperature when the student begins. If Liquid 1 has a higher specific heat than Liquid 2, then Liquid 1 will evaporate sooner. evaporate sooner. take longer to increase in temperature. take longer to increase in temperature. condense over a longer period. condense over a longer period. chemically break down at a faster rate.
If Liquid 1 has a higher specific heat than Liquid 2, then Liquid 1 will take longer to increase in temperature because the higher specific heat of a liquid needs more thermal energy for heating a liquid.
What is specific heat?Specific heat of a substance refers to the quantity of heat that is required to raise the temperature of one gram of a substance by one Celsius degree so we can conclude that Liquid 1 will take longer to increase in temperature
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Plants and animals are both multicellular eukaryotes, but only animals are what?
A. Autotrophic
B. Heterotrophic
C. Prototropic
D. Homotrophic
what is the standard cell notation for a galvanic cell with aluminum and gold electrodes
The standard cell notation for an Galvanic cell with aluminum and gold electrodes is Au(s)| Au³⁺ || Al³⁺| Al (s)
What is an Electrolytic Cell ?A device in which electrical energy is converted into chemical energy or chemical energy is converted into electric energy is called an Electrolytic cell
The electrolytic cell consists of two metallic electrodes and an electrolyte.
In this cell nomenclature, the electrode to the left of the salt bridge is always assumed to be the anode, and the accompanying half-equation is always stated as an oxidation , while right side is cathode and the half equation is Reduction.
Reaction at Anode:Au(s) → Au³⁺(aq) + 3e⁻ ..........(oxidation)
Reaction at Cathode:Au³⁺(aq) + 3e⁻ →Au(s) ..............(reduction)
Therefore, The standard cell notation for an electrolytic cell with aluminum and gold electrodes Au(s)| Au³⁺ || Al³⁺| Al (s)
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Answer:
AI(s) I AI3+(aq) ii Au+(aq) I Au(s)
Explanation:
I just got it wrong
What vocabulary term refers to the offspring when it possesses the same trait for both genes?
Given what we know, we can confirm that the term used to describe an offspring that possesses the same trait for both genes is homzygous.
What does it mean to be homzygous?This is as indicated in the question, it refers to organisms that have inherited the same allele for a gene from both parents. Meaning that both variations of said gene in this individual are the same and therefore, there is no possibility of a distinct expression.
Therefore, we can confirm that the term used to describe an offspring when it possesses the same trait for both genes is homzygous.
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Answer:
Dominant
Explanation:
Dominant, as related to genetics, refers to the relationship between two inherited versions of a gene related to that trait.
A sample of nitrogen gas is produced in a reaction and collected under water in a graduated cyliner. The temperature is 26.3 oC and the volume of gas is 45.1 mL. During this experiment the total pressure in the graduated cylinder is 735 mm Hg. How many grams of nitrogen were collected
The mass of nitrogen collected is mathematically given as
M-N2=0.025gram
What is the mass of nitrogen collected?Question Parameters:
A sample weighing 2.000g
the liberated NH3 is caught in 50ml pipeful of H2SO4 (1.000ml = 0.01860g Na2O).
T=26.3c=299.3K
Pressure=745mmHg=745torr
Pressure of N2=745-25.2=719.8torr
Generally, the equation for the ideal gas is mathematically given as
PV=nRT
Therefore
719.8/760=45.6/1000=n*0.0821*299.3
n=0.00176*14
In conclusion, the Mass of N2
M-N2=0.00176*14
M-N2=0.025gram
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Which example is an endothermic reaction?
O combustion of methane
condensation of steam
the reaction in a cold pack
freezing water
Answer: the answer is the reaction in a cold pack
Explanation: since endothermic means the absorption of heat