Which compound releases hydroxide ions in an aqueous solution?

1)ch3cooh
2)ch3oh
3)hcl
4)koh

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?

For the following, determine the type of reaction and then give products.

How do you lengthen a pattern piece? (family and consumer science, sewing)