Water is composed of hydrogen and oxygen, True Or False

What is a solid from liquid reactants during a chemical reaction

A chemical engineer calculated that 15.0 mol H2 was needed to react with excess N2 to prepare 10.0 mol NH3. But the actual yield is 60.0%. Write a balanced chemical equation for the reaction. Is the amount of H2 needed to make 10.

A solute with a density of 1.15 g/mL and mass of 45.95 g is dissolved in 250. mL of water. What is the volume of the solute, and what is the volume percent (v/v) ?

How can you determine if a sample of gold is pure?

What is the volume of the hope diamond, the worlds largest blue diamond at 44.4 carats. 1 carat = 200mg

Balance and identity the type of chemical reactions. Mg (s) + HNO3 (aq) - > H2 (g) + Mg (NO3) 2 (aq)

Which radioactive element is used to determine the absolute age of late pleistocene animal remains?

Compare the practical uses and limitations of nuclear fission and fusion. Include in your answer a detailed description of the two processes, comparing and contrasting them in terms of the types of atoms involved, the conditions needed to get the

Why can two igneous rocks have the same minerals but different names?

Where do the heaviest elements in our solar system come from?