Which of the three gases will have the highest average kinetic energy at a given temperature
1 answer:
This is an incomplete question, here is a complete question.
Which of the three gases will have the highest average kinetic energy at a given temperature?
A) HBr
B) NO₂
C) C₂H₆
Answer : All three gases will have the same average kinetic energy at a given temperature.
Explanation :
The formula for average kinetic energy is:
where,
K.E = average kinetic energy
k = Boltzmann’s constant
T = temperature
As we know that, average kinetic energy depends only on the temperature.
As the temperature of the all three gases are same. So, the all three gases will have the same average kinetic energy.
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The mass percent of sulfurous acid in the new solution : 38.9%
<h3>Further explanation</h3><em>In a container you have 800 g of a 35% by mass solution of sulfurous acid, from which 80 ml of water evaporates. What is the mass percent of sulfurous acid in the new solution? data: density of water is 1g / ml.</em>
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solution 1
composition :
- 35% acid :
- water :
solution 2(new solution)
composition :
- water
- Total mass of new solution after water evaporated
- %mass of acid in a new solution
Answer:
V = 38.48 L
Explanation:
Given that,
No. of moles = 1.5 mol
Pressure, P = 700 torr
Temperature, T = 15°C = 288 K
We need to find the volume of the gas. The ideal gas equation is given by :
, R = L.Torr.K⁻¹.mol⁻¹
So, the required volume is equal to 38.48 L.