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Questions

Explanations

42 Based on Table H, what is the vapor pressure of CH₃COOH at 90.°C?

(1) 40. kPa           (3) 114 kPa

(2) 48 kPa            (4) 150. kPa

43 The arrangement of particles is most ordered in a sample of

(1) NaCl(aq)        (3) NaCl(g)

(2) NaCl(ℓ)          (4) NaCl(s)

44 What is the net amount of heat released when two moles of C₂H₆(g) are formed from its elements at 101.3 kPa and 298 K?

(1) 42.0 kJ            (3) 126.0 kJ

(2) 84.0 kJ            (4) 168.0 kJ

45 Which compounds are isomers of each other?

(1) methanol and methanal

(2) propanoic acid and pentanoic acid

(3) 1-propanol and 2-propanol

(4) 1-chloropropane and 2-bromopropane

different structure  (location of group)

Questions 1-5 Questions 6-10 Questions 11-15 Questions 16-20 Questions 21-25 Questions 26-30 Questions 31-35 Questions 36-40 Questions 41-45 Questions 46-50

Questions 51-54
 Questions 55-56 Questions 57-59 Questions 60-62 Questions 63-65  Questions 66  Questions 67-69  Questions 70-72 Questions 73-77 Questions 78-81 Questions 82-85