HELP! A typical weather balloon contains approximately 563 L of hydrogen gas when it is released. If the temperature and pressure at the surface are 288 K and 1.00 atm when the balloon is released, what will its volume be at 32.0 km above the surface, where temperature and pressure are 299 K and 8.57 x 10^-3 atm?

the correct answer would be b) volume versus temperature, because they are also directly proportional.

option c: 1605.1 kj

the balanced chemical reaction for combustion of methane is as follows:

here, enthalpy formation of is -74.7 kj/mol, 0 kj/mol, -393.5 kj/mol and -241.82 kj/mol respectively.

the heat released or can be calculated as follow:

putting the values,

thus, heat released by combustion of 1 mol of methane is 802.54 kj/mol. thus, for 2 mol, heat released will be:

therefore, heat released by the combustion of 2 mol of methane is 1605.1 kj.