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ill give you my if your in the range of 13-15 years old.

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?

Why doesn't heat added to water make the tempature rise above 100c

This image is an example of a(n) a) atom. b) compound. c) mixture. d) molecule.