• After looking at the “cell" and beaker setup, record any changes (including color changes) you observe in the "cell" and in the beaker.

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?

An observation that requires measurement is called quantitative observable or qualitative

Which of these statements explains the difference between nuclear binding energy and the strong nuclear force ?