The nuclear binding energy of an atom of ⁹4Be is 9.318x10^-12 j per atom calculate the atomic mass of ⁹4Be

Calcium hydride (cah2) reacts with water to form hydrogen gas: cah2(s) + 2h2o(l) → ca(oh)2(aq) + 2h2(g) how many grams of cah2 are needed to generate 45.0 l of h2 gas at a pressure of 0.995 atm and a temperature of 32 °c?

Calculate the mass of silver needed to react with chlorine to produce 126g if silver chloride?

At 450 mm hg a gas has a volume of 760 l, what is its volume at standard pressure