Why is anthracite a better fuel than lignite?

What term is defined as the number of moles of solute divided by the number of liters of solutions?

When 10.0 g of lead are heated with 1.6 g of sulfur, 11.6 g of lead sulfide are formed. how many grams of lead sulfide form when 10.0 g of lead are heated with 3.0 g of sulfur?

If an atom has an electron configuration of 2.8.3, how many electrons can it involve in bonding? A. 11 B. 3 C. 2 D. 13

Which of the following would dissolve in water, and why? None of these substances would dissolve in water Candle wax, it is a nonpolar substance Motor oil, its primary IMF is London Dispersion Forces Acetic acid, it ionizes into ions when added to

4) express 55mg in kilograms

What is electron configuration

Is necessary in order for a hydrogen atom in a molecule to participate in a hydrogen bond?

A compound present in aft

Potassium-40 (40k) is a radioactive isotope of potassium (atomic number 19). how many neutrons are located in the nucleus of potassium-40?

Why do alligators need a warm climate? A. They need to live in a place with enough food. B. They cannot produce enough heat to keep their bodies warm. C. They have scales rather than hair, which keeps them too hot. D.