Very fine sediments be carried by wind over long distances.

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?

What is the empirical formula for c4h8o2

When a device is used in a circuit in which the voltage is 81 v the current flowing through the device is 3 a what is the resistance of the device