Help
Options
Didn't know it?
click below
click below
Knew it?
click below
click below
Don't Know
Remaining cards (0)
Know
retry
shuffle
restart
0:00
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.
Normal Size Small Size show me how
Normal Size Small Size show me how
10th Grade Ch 6
Chapter 6 Review, 10th grade physical science
| Question | Answer |
|---|---|
| What happens to the chemical energy in an exothermic reaction? | it goes down |
| What happens tot he chemical energy in an endothermic reaction? | it goes up |
| What happens to the temperature in a chemical reaction that is exothermic? | it rises |
| What happens to the temperature in a chemical reaction that is endothermic? | it falls |
| What law is obeyed when a chemical reaction is balanced? | the law of conservation is mass |
| What is the law of conservation of mass? | mass is not lost or gained during a reaction, but is moved from place to place, or changed from one form to another |
| What are the chemicals on the left-hand side of the arrow in a chemical equation called? | reactants |
| What are the chemicals on the right-hand side of the arrow in a chemical equation called? | products |
| What part of a chemical equation indicates that a reaction is taking place? | the arrow |
| What does increasing temperature do to the rate of most chemical reactions? | increases the rate |
| What does increasing the surface area of chemicals do to the rate of most reactions? | increases the rate |
| How can the surface area of a crystal increased? | by crushing it into smaller pieces |
| What is the basic thing that needs to happen to increase the rate of any reaction? | The reactants molecules must be turned the right way, and they have to hit each other with enough speed and energy cause them to react. |
Created by:
gstubblefield
Popular Physical Science sets