1) The reaction 2HNO3(aq) + Ca(OH)2(aq)  Ca(NO3)2(aq) + 2H2O(l) is an example of a:

A. neutralization reaction B. combustion reaction C. precipitation reaction D. physical reaction E. none of the above

2)  Which of the following molecules have net molecular dipole moments?

A. CS2

B. SeS2

C. CF4

D. PCl5

E. PCl3

3) Calculate q when 430 kJ of energy has been released from a system that performed 110 kJ of work:

a) 430 kJ

b) 110 kJ

c) 540 kJ

d) 320 kJ

4) What is the net ionic equation for the reaction that occurs when aqueous solutions of NaOH and HNO3 are mixed?

A. Na+(aq) + NO3 - (aq)  NaNO3(s)

B. NO3 - (aq) + OH- (aq)  NO3OH(s)

C. H+(aq) + OH- (aq)  H2O(l)

D. None of the above because no precipitation occurs. 

5) For which of the following compounds do cis- and trans- isomers exist?

A. 3 only

B. 1 and 2

C. 2 and 3

D. 2 only

E. 1 only