The hydrogen gas used to make ammonia can be made from small hydrocarbons such as methane in the so-called steam-reforming process, run at high temperature and pressure. a. if 3.2 atm of methane at 21 °c are introduced into a container, to what temperature must the gas be heated to increase the pressure to 12 atm

temperature is 829.5 °C

Explanation:

given data

methane  = 3.2 atm

temperature = 21 °C  = 21 + 273 = 294 K

increase the pressure = 12 atm

to find out

what temperature must the gas be heated

solution

we know at constant volume

pressure is directly proportional to temperature

so

we can say

P(initial) / T(initial) = P(final) / T(final)    1

here P is pressure and T is temperature

put the value

3.2 / 294  = 12 / T(final)

T(final) = 12 × 294 / 3.2

T(final) = 1102.5 K

so T(final) =  1102.5 - 273

T(final) is 829.5 °C

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