(Answered) Question a box of h2 gas is at stp 0 c and 1013 kpaa what

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Question: A box of H2 gas is at STP (0 ?C and 101.3 kPa).

a. What is the pressure of the gas in

i. Torr

ii. pascals

iii. atmospheres

b. What is the root-mean-square velocity of the H₂ molecules?

c. The temperature of the gas of H2 is tripled and the number of molecules is halved. All else remains the same.

i. What is the new pressure in the box?

ii. How does each molecule's average kinetic energy change from its value at STP?

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