Mutations in certain genes of bacteria cause them to be resistant to powerful antibiotics. What type of mutations is this for the bacteria?

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?

Based on the equation and the information in the table, what is the enthalpy of the reaction?

To find the enthalpy of a reaction in the lab, you measured the of the reactants and the change during the reaction.