Unit 2 Flashcard Prep

Front

What are reactants?

Back

The matter present BEFORE a chemical reaction.

Front

What are constraints in design?

Back

Limitations on the design (rules to adhere to).

Front

What are criteria in design?

Back

Things the design needs to do in order to be successful.

Front

What is a chemical reaction?

Back

Process that changes one set of chemicals into another set of chemicals.

Front

What indicates an endothermic reaction?

Back

The flask turns cold when two chemicals are combined.

Front

What are products in a chemical reaction?

Back

The matter that is produced during a chemical reaction.

Front

What is the difference between reactants and products?

Back

Reactants are present before the reaction, while products are formed after the reaction.

Front

What is an exothermic reaction?

Back

A chemical reaction that releases heat, causing the flask to feel warm.

Front

What is the law of conservation of mass?

Back

In a chemical reaction, mass is neither created nor destroyed.

Front

What is a physical change?

Back

A change that affects one or more physical properties of a substance without altering its chemical composition.