Certain metals like gold are found as pure metals rather than ores in the earth. Complete the
sentence

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?

If you have 5.25 grams of methane (ch4), how many grams of co2 will you produce ?

Adirect relationship can be represented by: a curve a pie chart