What is the standard enthalpy of formation of nh3 gas, standard heat of atomisation of nh3(g), h2(g) and n2(g) are 1167 kj/mol and 942 kj/mol respectively?

There is an area in idaho named craters of the moon where most of the ground is covered with basalt, adark gray, igneous rock with no visibl crystals. what can you infer about the geographical history of the area?

What is the equilibrium constant of aa+bb=cc+dd

This question is about electrolysis. metal spoons can be coated with silver. this is called electroplating. suggest one reason why spoons are electroplated?