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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Answer:
0.906 gm/l
Explanation:
We know that molarity of the a solution is given by,
, where 'M' is the molarity, 'w' is the weight of the sample, 'm' is the molar mass, and 'v' is the volume of the solution.
Molarity of a solution tells us the concentration of the solute in the solvent.
Molar mass of KCl is = 74.55
Putting the values we get,
So the molarity of KCl solution is 0.906 gm/l.