1.3 Endo- & Exothermic Reactions Lab

What are possible outcomes of a chemical reaction?

• absorb or release heat

• create or destroy atoms

Tags

NGSS.HS-PS1-4

NGSS.HS-PS3-4

Which describes an exothermic reaction?

• a reaction that absorbs heat, making the products colder

• a reaction that absorbs heat, making the products hotter

• a reaction that releases heat, making the products colder

• a reaction that releases heat, making the products warmer

Tags

NGSS.HS-PS1-4

Which describes an endothermic reaction?

• a reaction that absorbs heat, making the products colder

• a reaction that absorbs heat, making the products hotter

• a reaction that releases heat, making the products colder

• a reaction that releases heat, making the products warmer

Tags

NGSS.HS-PS1-4

How can you determine if a chemical reaction is endothermic?

• Use a thermometer to measure the temperature of the reactants and the products. An increase in temperature indicates an endothermic reaction.

• Use a thermometer to measure the temperature of the reactants and the products. A decrease in temperature indicates an endothermic reaction.

Tags

NGSS.HS-PS1-4

How can you determine if a chemical reaction is exothermic?

• Use a thermometer to measure the temperature of the reactants and the products. An increase in temperature indicates an exothermic reaction.

• Use a thermometer to measure the temperature of the reactants and the products. A decrease in temperature indicates an exothermic reaction.

Tags

NGSS.HS-PS1-5

NGSS.HS-PS3-4

Is the reaction from combining Alka-Seltzer tablets and water endothermic or exothermic?

• endothermic

• exothermic

Tags

NGSS.HS-PS1-4

Is the reaction from combining detergent and water endothermic or exothermic?

• endothermic

• exothermic

Tags

NGSS.HS-PS1-4