Law of Conservation of Mass

Front

Matter can not be created nor destroyed: it can only be

Back

Transformed, changed

Front

Which of these is not a chemical reaction? Options: Burning of wood, Milk going bad, Mixing vinegar and baking soda, Melting of ice

Back

Melting of ice

Front

If reaction starts with 20g of reactants, what is the total mass of products produced?

Back

a total of 20g of products

Front

Which of the models of a chemical reaction best represents the Law of Conservation of Mass? Options: A, B, C, D

Back

A

Front

Which of the models of a chemical reaction best represents the Law of Conservation of Mass? Options: A, B, C, D

Back

A

Front

A student pours hydrochloric acid (HCl) into an open beaker containing magnesium (Mg). Was there a total mass increase or decrease for this experiment?

Back

There was a decrease in mass.

Front

A student dissolved 25 grams of salt into 1,000 grams of water. What should the mass of the saltwater mixture be?

Back

1,025 grams

Front

Anything that has mass & takes up space

Back

matter

Front

Measure of the amount of matter
Options: mass, volume, weight, density

Back

mass

Front

Substances that form as the result of a chemical reaction

Back

products