If 8.25 grams of lead II nitrate reacts, how many grans of sodium nitrate is produced?

Answer: 33/ because 1/3 of a 11 is 33.

Explanation:

All you had to do was multiply 11 with 3 thats it.

The mass of water H₂O that would be produced from the reaction is 43.2 g

The number of mole can be obtained as by using the ideal gas equation as illustrated below:

n = PV / RT

n = (1.3 × 20) / (0.0821 × 263)

n = 1.2 mole

Balanced equation

2H₂ + O₂ → 2H₂O

From the balanced equation above,

1 mole of O₂ reacted to produce 2 moles of H₂O.

Therefore,

1.2 mole of O₂ will react to produce = 1.2 × 2 = 2.4 moles of H₂O

Mass = mole × molar mass

Mass of H₂O = 2.4 × 18

Mass of H₂O = 43.2 g

Thus, 43.2 g of water were produced from the reaction.

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Answer:

15.6g ofH2O

Explanation:

Answer:

It Is A

Explanation:

I took the test and that was the answer

Answer:

high tmp and pressure

Explanation:

⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻

[B] Calorific Value

⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻

Explanation:

The correct answer is [B] Calorific value

Calorific Value ⇒  Amount of energy (heat) produced on burning 1 kg of a fuel completely in air. Which expressed in a unit called kilojoule per kilogram. (kj/kg)

Hence, [B] Calorific value is the answer.

~Lenvy~

Answer:

B. calorific value

Explanation:

Fuel efficiency is measured in terms of calorific value, which is measured in kilojoules per kilogramme. It is the amount of heat produced by the complete combustion of one kilogramme of fuel.

I am joyous to assist you at any time.

The series which is in order of increasing boiling point is CH3CH2CH3 CH3COCH3 CH2CH2CH3OH

However, the boiling point of an organic substance is the temperature at which the vapor pressure of the liquid organic substance equals the pressure surrounding the liquid and the liquid changes into a vapor.

Organic compounds are substance containing carbon and hydrogen. Some few organic compounds include:

So therefore, the series which is in order of increasing boiling point is CH3CH2CH3 CH3COCH3 CH2CH2CH3OH

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Answer:

3

Explanation:

The molar mass is obtained by adding up the average atomic masses of these atoms: Molar mass H3PO4 = 3(1.008 g) + 1(30.97 g) + 4(16.00 g) = 97.99 g.

Answer:

Anaerobic respiration takes place in the absence of oxygen.

Anaerobic respiration in yeast is used during brewing and bread-making.

Explanation:

glucose → ethanol + carbon dioxide.

C 6H 12O 6 → 2C 2H 5OH + 2C0 2.

Both mol/L and g/l are units of concentrations. Mol/L is molar concentration while g/L is mass concentration.

Concentration refers to the amount of substance in a solution. The two main ways of measuring concentration are;

The molar concentration is measured in mol/L and describes the amount of substance in a litre of solution.

The mass concentration is measured in g/L and measures the mass of the substance in 1 L of solution.

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Answer:

T2 = 242.06

Explanation:

Follow this equation to find T2: V1/T1 = V2/T2

V1 = 9.3L

T1 = 27C (to convert to Kelvin + 273.15) ---> 27 + 273.15 = 300.15K

V2 = 7.5L

T2 = ?

V2×T1/V1 = T2

7.5×300.15/9.3 = T2

242.06 = T2

So 242.06 is the answer!

Answer:

12x+4x-7y+45b+78a-44b+1a+1z+0d+1.1a+1.1a

Answer:

heheheheheh... I like it

Answer:

Your search - Calculate the molarity of a solution that contains 0.37g CaCl2 in 340 milliliters of solution - did not match any news results.

Explanation:

Answer:

if you are asking for the chemical reaction:

Ca(OH)2 + H3PO4-------> Ca3(PO4)2 + H2O

Explanation:

In this reaction, phosphoric acid, H3PO4 , a weak acid, will react with calcium hydroxide, Ca(OH)2 , a strong base, to produce calcium phosphate, Ca3(PO4)2 , an insoluble salt, and water.

Answer:

That's the answer

Explanation:

Your welcome

Answer:Set up a proportion os V1/n1 = V2/n2. V is the volume, n is the amount in MOLES, not grams. Convert the CO_2 to moles, then solve and find that the amount of N_2 should be the same amount of moles. Then use the molar mass of N_2 (28.02 grams/mole) to convert that amount of moles into grams. That's your answer.

Explanation:

Since oxygen is the limiting factor of the reaction, 7.14 g of hydrogen is required to react with 40 litres of oxygen.

The limiting factor in a reaction is that factor which the reaction depends on in order to proceed.

Once the limiting factor in a reaction is absent, the reaction will stop.

In the reaction between hydrogen and oxygen, twice the volume of hydrogen is required to react with oxygen.

In the given reaction, oxygen is the limiting factor.

Volume of oxygen = 40 litres

Volume of hydrogen required = 40 × 2 = 80 litres

Mass of 22.4 L of hydrogen = 2.0 g

Mass of 80 Litres = 80/22.4 × 2.0 g

Mass of hydrogen = 7.14 g

Therefore, 7.14 g of hydrogen is required to react with 40 litres of oxygen.

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The pH value of the solution is mathematically given as

pH=2.35

Question Parameters:

pH during the titration of 20.00 mL of 0.1000 M dimethylamine,

with 0.1000 M HCl(aq) after 21.23 mL of the acid

Generally, the equation for the  Chemical Reaction  is mathematically given as

(CH3)2NH(aq), +Hcl   ---> <---- (CH3)2NH2Cl(aq)

Therefore

[tex]HCl=\frac{0.186mol}{41.86}[/tex]

HCL=0.00444M

WHere

HClaq--->H+(aq)+Cl-(aq)

Hence

H+=0.00444M

pH= -log{H+}

pH=log(0.00444)

pH=2.35

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-2.30 is the pOH of the NaOH solution.

pOH of any solution is define as the negative logarithm of the concentration of OH⁻ ion present in the solution, and it is represented as:

pOH = -log[OH⁻]

In the question it is given that solution is made from NaOH and NaOH is completely dissociate in the solution. So, the concentration of OH⁻ ion is equal to the concentration of NaOH.

Concentration of NaOH will be calculated in the terms of molarity as:

M = n/V, where

n = moles of NaOH = 0.005 mole

V = volume of NaOH = 1 L

M = 0.005/1 = 0.005 M

So, concentration of OH⁻ ion = 0.005 M

Value of pOH will be calculated as:

pOH = -log(0.005) = -2.30.

Hence, option (4) is correct i.e. -2.30.

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Answer:

The answer is c

Explanation:

2.30

An example of an external stimulus is a decrease in oxygen levels in the blood during exercise.

Option C

A stimulus is defined as a thing or sensation that causes a specific reaction in an organ or tissue of a living organism

There are two types of stimuli:

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Answer:

An example of an external stimulus is a decrease in oxygen levels in the blood during exercise.

Option C

What is stimulus?

A stimulus is defined as a thing or sensation that causes a specific reaction in an organ or tissue of a living organism

There are two types of stimuli:

Internal stimulus

External stimulus

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Explanation:

Hydrogen molecule is a molecule that releases the most energy when forming its bonds as compared to other molecules.

We know that H-H bond energy is 432 kJ mol-1, CI - CI bond energy is 239kJ mol-1 and Br-Br bond energy is 193 kJ mol-1 so from this data we can conclude that more energy is required to break the bond between hydrogen atom.

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Answer:

Synthesis Chemical Reaction

Explanation:

A+B -> AB  

Explanation:

64 grams of O_2O2 will be required to react completely with 4 moles of Mg.

As per the balanced chemical equation 2 moles or 48 g of Mg reacts with one mole or 32 g of oxygen. Hence, 4 moles of Mg requires 2 moles or 64 grams of oxygen gas.

Magnesium oxide (MgO) is a white solid mineral that occurs naturally as the mineral periclase. It is one of the most common and important magnesium compounds, and is widely used in many industrial and commercial applications.

The balanced chemical equation of the reaction between Mg and oxygen is given as follows:

2 Mg + O₂ ⇒ 2 MgO

As per the balanced chemical equation 2 moles or 48 g of Mg reacts with one mole or 32 g of oxygen. Hence, 4 moles of Mg requires 2 moles or 64 grams of oxygen gas.

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The ranking is uranium-235 splitting into 92 equal fragments, three equal fragments, and two equal fragments. It also releases radiation.

Nuclear fission refers to a natural chemical reaction where an atom nucleus splits into two or more fragments.

This process (nuclear fission) is well known to release huge amounts of energy and radiation.

The more will be the number of atomic fragments, the more will the energy and radiation released by the process of nuclear fission.

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Answer:

what are the roles of minerals in maintaning homeostasis?

Answer:

The answer is 16.12 L  

Explanation:

2.5 * 20 = 3.1 * V2

V2 = 50/3.1

V2= 16.12 L

hope this helps

The new volume can be calculated using Boyle's law. If the pressure increases from 2.5 atm to 3.1 atm, then volume decreases from 20 L to 16.1 L.

Boyle's law is a fundamental law of physics that describes the relationship between the pressure and volume of a gas at a constant temperature. It is named after the Irish physicist Robert Boyle, who first stated the law in the mid-17th century.

Boyle's law states that at a constant temperature, the pressure of a gas is inversely proportional to its volume. This means that as the volume of a gas decreases, its pressure increases proportionally.

Hence,

P1V1 = P1V2.

given,

P1 = 2.5 atm

V1 = 20 L

P2 = 3.1 atm

then V2 = P 1 V1 /P2

V2 = 2.5 atm × 20L/3.1 atm = 16.1 L.

Therefore, the new volume of the gas is 16.1 L.

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Answer:6=base

Explanation:

Answer:

because of the small soot particles

Answer:

is due to small soot particles in the flame which are heated to incandescence or the shortage of combustion air .

Answer:

Water vapour (more than 60%)