A balloon that has a volume of 9.45L of helium is released at the ground where the pressure is 760mmHg. What is the volume of the balloon when it rises in the atmosphere to a place where pressure is 640mmHg

If two objects at different te,peraure are in contact with each other what happens to their temperature

Draw any one of the skeletal structures of a 2° alkyl bromide having the molecular formula of c6h13br and two stereogenic centers. indicate chirality by using wedge and hashed wedge notation. lone pairs do not need to be shown.

Acetylene gas c2h2 undergoes combustion to produce carbon dioxide and water vapor how many grams of water are produced by the same amount of c2h2?