Which of the following is not a trigonal planar molecule?
Select one:
a. AICI:
b. NH3
c. BF3
d. AlH3
Question 17

Which statement best describes the flow of energy in this scenario

Describe at least two advantages and two disadvantages of using hydropower as a source of energy.

The equation below shows the reaction of zinc with hydrochloric acid (hcl). zn (s) + 2 hcl (aq) —> zncl2 (aq) + h2 (g) what will happen if the concentration of hcl is decreased? a. more zncl2 will be produced. b. the reaction rate will slow down. c. the hydrochloric acid will become more acidic. d. the reaction will produce water instead of hydrogen gas.