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Reil [10]
3 years ago
13

Reducing the volume of a contained gas by one third, while holding temperature constant, causes pressure to A. be decreased by t

wo thirds. B. be increased by two thirds. C. be decreased by one third. D. be increased by one third
Chemistry
1 answer:
Nostrana [21]3 years ago
5 0
Reducing the volume of contained gas by one third, while holding temperature constant, causes pressure to D. be increased by one third
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Be sure to answer all parts.
sergey [27]

The  moles of O2 are needed to react completely with 1.00 mol of C₂H₂ is 5 mol , 0.23  moles of C₂H₂ are needed to form 0.46 mol of CO₂ .

<h3>What is a Balanced Reaction ?</h3>

A balanced reaction is a reaction in which the number of atoms present in the reactants is equal to the number of atoms in the products.

It is given in the question that

the combustion of Acetylene is given by

2 H―C≡C―H + 5 O₂ → 4 CO₂ + 2 H₂O

Given moles of Acetylene = 1 mol

Moles of oxygen needed = 5 mol

as the mole fraction of Acetylene to Oxygen is 1 :5

The mole of Acetylene needed to form 0.46 mol of CO₂ is ?

mole fraction of CO₂ to Acetylene is 4:2

Therefore 0.23 moles of CO₂ is required.

To know more about Balanced Reaction

brainly.com/question/14280002

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5 0
2 years ago
2 all substances reacting before the<br> arrow in chemical reactions
Volgvan

Answer:

The substances to the left of the arrow in a chemical equation are called reactants. A reactant is a substance that is present at the start of a chemical reaction. The presence of the arrow also indicates that the reaction goes in one direction under the conditions indicated.

Explanation:

3 0
2 years ago
10 examples of consumers
ivann1987 [24]
Squirrel, lion, turtle , crab, jelly fish, dolphin, fish, cow, rooster, human
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3 years ago
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The pressure is changed from 500 kPa to 250 kPa. What would you expect the new volume to be if the initial volume is 200 mL?
Romashka [77]

Answer:

<h3>The answer is 400 mL</h3>

Explanation:

The new volume can be found by using the formula for Boyle's law which is

P_1V_1 = P_2V_2

where

P1 is the initial pressure

P2 is the final pressure

V1 is the initial volume

V2 is the final volume

Since we are finding the new volume

V_2 =  \frac{P_1V_1}{P_2}  \\

So we have

V_2 =  \frac{500000 \times 200}{250000}  =  \frac{100000000}{250000}  =  \frac{10000}{25}  \\

We have the final answer as

<h3>400 mL</h3>

Hope this helps you

4 0
3 years ago
Determine the mass of one molecule of ethanoic acid
Over [174]
I looked online and I found that it is <span>1X10 to the power of -22 grams.</span>
7 0
3 years ago
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