need someone to answer these chemistry questions for me in detail.?

C

Carleton Merrill

New member
can someone answer these questions well please.

1. What happens when a chemical reaction takes place? p5

2. Explain the difference between an atom and a molecule. p21 + p22

3. What are the two changes in matter? p39

4. What is the law of conservation of energy? p40

5. Compare and contrast Precision and Accuracy. p55

6. What is...

a. Law of definite proportions? p75

b. Law of multiple proportions? p77

7. Define the law of conservation of mass. p76

8. What is the periodic law? p119

9. Explain Electronegativity. p137

10. What is the Octet Rule? p159

11. Define the following... p161

ion

cation

anion

12. What is a covalent bond? p191

13. Explain a nonpolar and a polar covalent bond. p194

14. What is Avogadroís Number? Explain what it represents. p224

15. A mole is what? p224

16. What is a chemical reaction? p260

17. List and write a sentence to identify each of the 5 chemical reactions. p276-283

18. Define pressure and write the equation for pressure. p419

19. The kinetic-molecular theory states what? p421

20. List the general properties of gases. p416-418
 
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