What is a catalyst, How does particle size, temperature,

What is a catalyst

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Assignment:

Physical Science 2

Lecture Exam #2 Study Guide

1. Be able to balance an equation.

2. How does particle size, temperature, and concentration affect a chemical reaction?

3. What is a catalyst?

4. A rock perched atop a cliff is an example of what kind of energy?

5. What is a Newton?

6. What is kinetic energy?

7. How does velocity differ from speed?

8. What does the law of conservation of energy state?

9. What is the difference between weight and mass?

10. What is gravitational potential energy?

11. Which of Newton's laws of motion explain an accelerating rocket?

12. What are the four types of friction?

13. What are the four types of forces noted in the Newton's Laws Powerpoint?

14. What is a Joule?

15. If a car is traveling at 200 kilometers per hour, how fast is it going in miles per hour?

16. What is potential energy?

17. Be able to define the following: force, work, power, energy, gravity

18. Be able to calculate potential and kinetic energy.

19. Know how to calculate power and work.

20. Be familiar with examples of Newton's laws of motion.

21. What is the difference between renewable and nonrenewable energy. Know examples of each.

22. What fossil fuel is most consumed in the US?

23. What are the negative perceptions of hydro, solar, and wind energy?

24. What are biofuels?

Formulas and conversions

Weight (pounds) = mass x gravity

Gravity (g) = 9.8 m/s2

Gravitational potential energy = PE = mgh (mass x gravity x height)

Kinetic energy = ½ mv2

1 kg = 2.2 pounds

1 kilometer = 0.6 miles

Force of gravity = 9.8 m/s2

Reference no: EM133585935

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