The movement of the lithospheric plates changes the number of continents on Earth. This change would be seen over

A.

centuries.

B.

millions of years.

C.

decades.

D.

thousands of years.

What 2 factors determine whether a collision between reactants is effective

Which two forms of matter will always form a homogeneous mixture? A. a solid and a solid B. a solid and a liquid C. a liquid and a liquid D. a gas and a gas

A sealed container contains 0.10 moles of nitrogen gas and 0.20 moles of oxygen gas. If Temperature of the mixture is constant, which of the followimg is true a Molecular Masses of 2 gases are the same.

Difference between gynosperms and angiosperms

Write the hydrolysis reactions that will occur when then each of the following salts is added to water: NaBr, Na2CO3, NH4NO3, NaF, and C5H5NHCl. (Don't forget to remove the spectator ions.

What fuel is produced by the electrolysis of water? chlorine gas hydrogen gas natural gas oxygen gas

Model describe how you would show j. j. thomson's model of the atom using small beads and clay

Switching one substance for another is called ... ? a) displacement b) synthesis c) decomposition d) oxidation

C2h4 + O2 - CO2 + H2O If we start with 20 grams of CH4, how many moles of CO2 will form?

How does chemical energy relate to the atom and how can we use it?