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LenaWriter [7]
3 years ago
6

PLEASE ASNWR ASAP

Chemistry
1 answer:
Vikki [24]3 years ago
4 0
34.95 atm

lol i hope i’m not too late



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If a sample of oxygen gas originally at from 171.4 K has its temperature increased to 288.4 K and
julia-pushkina [17]

Answer:

V₂ = 0.95 L

Explanation:

Given data:

Initial temperature of gas = 171.4 K

Final temperature of gas = 288.4 K

Final volume = 1.6 L

Initial volume = ?

Solution:

The given problem will be solve through the Charles Law.

According to this law, The volume of given amount of a gas is directly proportional to its temperature at constant number of moles and pressure.

Mathematical expression:

V₁/T₁ = V₂/T₂

V₁ = Initial volume

T₁ = Initial temperature

V₂ = Final volume  

T₂ = Final temperature

Now we will put the values in formula.

V₁/T₁ = V₂/T₂

V₁ = V₂T₁ /T₂

V₂ = 1.6 L × 171.4 K / 288.4 k

V₂ = 274.24 L.K / 288.4 K

V₂ = 0.95 L

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3 years ago
How many gallon are there in 85.00 L?
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Answer:

22.46

Explanation:

.There are 3.79 liters in one gallon

4 0
3 years ago
A student has 5 mL of 0.300 M (NH4)2CrO4 solution. What is the concentration of NH4+ in this solution?
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The answer is 0.600 M; but I don't know how to get to that answer.
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What would happen when a substance changes from one phase to another? A. The substance loses or gains heat. B. The average kinet
lutik1710 [3]
I think the correct answer from the choices listed above is option B. When a substance changes from one phase to another, the average kinetic energy of the substance <span>changes since the molecules movements are changed as well. Hope this answers the question. Have a nice day.</span>
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Which temperate change indicate an increase in the average kinetic energy of the molecules in a sample?
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An increase in temperature increases the average kinetic energy of molecules.

When the temperature of a molecule increases, the molecule starts to move at a faster rate. The faster a molecule moves, the more kinetic energy it has.

8 0
3 years ago
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