Unit 7 & 8 Review

Front

Which term refers to matter that could be heterogeneous? Options: compound, element, mixture, solution

Back

mixture

Front

the substance to be dissolved in a liquid

Back

solute

Front

What two types of matter are pure substances?

Back

elements and compounds

Front

Which action will NOT increase the rate of dissolution?

Back

Decreasing the temperature

Front

To make a solute dissolve more quickly in a solvent, what should you do?

Back

Put it in warm water and stir it

Front

What should be done to make the solute dissolve faster in the solvent?

Back

stir the solute

Front

Increasing the temperature will increase the kinetic energy of particles, therefore increasing the collisions between particles.

Back

true

Front

What is the difference between mixtures and compounds?

Back

A mixture is two or more substances mixed physically but not chemically.

Front

Salt has the chemical formula NaCl because it is made up of atoms of Sodium (Na) and Chlorine (Cl). Which statement most accurately describes this compound in relation to the elements it is made of?

Back

When sodium and chlorine chemically combine, they create a substance with completely different properties.

Front

If a reaction starts with 20g of reactants, it should produce how many grams of products?

Back

A total of 20g of products