When a spring is compressed, the energy chaneges from kinetic to potential. Which best describe what is causing this change?

If a solution containing 102.78 gof mercury (II) nitrate is allowed to react completely with a solution containing 17.796 g of sodium sulfide, how many grams of solid precipitate will form?

Name 4 invasive species and describe their effect on ecosystem.

In a two-stroke piston-port engine, the transfer tube is used to transfer fuel from the A. crankcase to the top of the combustion chamber. B. intake port to the exhaust port. C. cylinder to the carburetor. D. the fuel tank to the piston.

Where does most of the mass of an atom come from?

Experiment 7 excess salt is added to water and the mixture is stirred until no more salt dissolves (the solution is saturated). the salt that does not dissolve is allowed to settle out.

What is the pH of a solution with [H+] = 7.0 x 10^-2?

A compound is a pure substance made of 2 or more types of elements that are chemically bonded True or false

In a chemical reaction, 300 grams of reactants are combined with 100 grams of reactant b. both a and b react to completion. how much will the product weigh

If log x = - 0.761. What does x equal

Can humans can live without using natural resources.