Sodium hydride reacts with excess water to produce aqueous sodium hydroxide and hydrogen gas: nah (s) h2o (l) → naoh (aq) h2 (g)a sample of nah weighing g will produce 982 ml of gas at 28.0 °c and 765 torr, when the hydrogen is collected over water. the vapor pressure of water at this temperature is 28 torr.

Which best describes how johannes kepler developed his laws of planetary motion

What is the mass of 4 molecules of co2

3.09 lab: reaction of metals 1 which combinations of substances resulted in a chemical change? for each metal that participated in a chemical change, write the type of metal it is, based on your examination of the periodic table. were there any metallic compounds that did not react with either the acid or the base? write the type of metal, based on your examination of the periodic table. make a general statement about the reactivity of the metals in this experiment.