General Chemistry Questions

General Chemistry

Institution

Name

Date

General Chemistry

1. 2.70 mol

2. 41.1 g

3. Precipitation

Acid-base

Oxidation Reduction

Gas evolution

4. 4.68 g

5. If there is change in oxidation state of atoms from reactants to products, the reaction is an oxidation-reduction reaction

6. K+ and SO42-

7. Charles’s Law

8. 2C2H6(l) + 7O2(g) -> 4CO2(g) + 6H2O(g)

9. They are in same groups (families), and all have the same valence electrons

10. 8.33 mL

11. 1.88 mol

12. 6.63 mL

13. 2H+(aq) +CO32(aq) ->H2O(l)+CO2(g)

14. Al3+

15. 0.330 mol

16. 0.562 M

17. 950 torr

18. Al3+

19. 721K

20. A weak acid consists of mostly non-ionized molecules

21. 7.46

22. 0.400

23. 950 mm Hg

24. 5.58L

25. 0.333M

26. 1.63

27. 2K+(aq)CO23(aq)+2H+(aq)+2Br-(aq)>….>H2O(l)+CO2(g)+K+(aq)+2Br-(aq)

28. 00C and 760 mm Hg

29. 320g

30. 29L

31. 3.03g

32. 9.86mL

33. 4.40g

34. 17.9L

35. 6.27g

36. 84g/mol

37. 3.46L

38. 1190C

39. 45.0L

40. 45mol H2S

41. 4.1atm

42. 0.219M

43. 1

44. 1.97L

45. 72.0 mol

46. 0.25M

47. 0.600 moles

48. 5.5 mL

49. Pb(C2H3O2)+NaSO4

50. 0.279 moles

51. 1.14 x 1024 molecules

52. 34.1 mL