SummerWorkanswerkey

Note :

1L =1dm3

1.0 X 10³ ml = 1.0E3 ml

Set#1 Pg30

30a) 0.134nm

b) 1.34A

37) 110.km/s

41) 39.2 degree C and 312.4K

69) 6E10 ft³ and 7E14 ug and 7E5 kg

72) Can't tell (need to show data)

Set#2 Pg72

42)Can't show in answer key

66)Can't give answer

70)Can't give answer

Set#3 Pg123

15) 24.31amu

47a) 294.30g/mol

b) 3.40E-2mol

c) 459g

d) 1.0E19 molecules

e) 4.9E21atoms of nitrogen

f) 4.9E-13g or 4.9E2fg

49)CdS (77.79%Cd), CdSe (58.73% Cd), CdTe (46.83% Cd)

61)Empirical Formula (EF) is C₃H₆O₂

67)EF = C₁H₁ Molecular Formula (MF) = C₆H₆

69)C₃H₈

Set#4 Pg123

77d) Can't show answer but all atoms must balance

77e) Can't show answer but all atoms must balance

87) 97g of concentrated sulfuric acid

90a) 73.9g

90b) 1.30E2g

96a) 18.0g HgBr₂ produced ; 7.97g Br₂ reacted ; 1.03g Br₂ excess

96b)35.0g HgBr₂ produced

106)CuSO₄ 5H₂O

Chemical name is called Copper (II) sulfate pentahydrate