Over time, pollution generally leads to which of the following?

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?

How many grams of n2h4 will be consumed by 23 g of n2o4

Electric charge is what ? a. kinetic energy b. radiation c. discovery d. electricity