Cuantos moles hay en 30g de h2so4​

Agas has a volume of 0.7 l at 300 mmhg. what would be the new volume at 900 mmhg

Write the chemical formula for a compound that is made of an element from group 1 and an element from group 17

A5 mole sample of liquid acetone is converted to a gas at 75.0°c. if 628 j are required to raise the temperature of the liquid to the boiling point, 15.600 kj are required to evaporate the liquid, and 712 j are required to raise the final temperature to 75.0°c, what is the total energy required for the conversion?