Law of Conservation of Mass

Front

What will weigh more when a chemical change is complete? The reactants before the chemical reaction, or the product after the reaction is complete?

Back

They both will weigh the same

Front

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

Back

mass

Front

What is a precipitate?

Back

A solid that forms when two liquids are mixed.

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 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

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

Back

Transformed, changed

Front

Jamie weighs a glass of water and observes its weight to be 12 ounces. Jamie then adds 6 ice cubes to the glass of water. Each ice cube weighs one ounce. After all of the ice cubes have melted, what will be the approximate weight of the glass of water?

Back

18 ounces

Front

What are the starting substances in a chemical equation?

Back

Reactants

Front

The law of conservation of mass states that ________

Back

the mass of a chemical reaction remains constant

Front

What do we call the chemicals that result from a chemical reaction?

Back

products