the specific heat of a substance is the amount of heat required to raise what quantity by 1 degree celsius?
1 pound
1 ounce
1 gram
1 pascal

The bond energy for the van der waals bond between two helium atoms is 7.9×10−4ev. assuming that the average kinetic energy of a helium atom is (3/2)kbt, at what temperature is the average kinetic energy equal to the bond energy between two helium atoms

What would be the original temperature of a gas that has a volume of 2.0 l and a pressure of 2.0 atm and an unknown temperature that the volume increased to 3.5 l in its pressure decreased to 1.0 atm if the final temperature is measured to be 11°c

The molar mass of nickel(ni) is 58.7 g/mol. how many moles are in an 88 gram sample of nickel?