Some carbon dioxide gas at 750 mmHg and -56°C in a sealed container is heated to 85°C. What is the new pressure?

"hydrogen bonding is the attraction of h atoms in the water molecule (slight + charge) to o atoms in a neighboring water molecule (slight - charge); it is a weak interatomic force. but it is still strong enough to the water molecules "stick" together."

i do not get it   at all

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