How to tell which planet on this chart has the most gravitational force

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?

What are transitions between a liquid and a solid called? identify which way they are transitioning

What is the mass of phosphorous in a 51-kg person