When a liquid evaporates a. the temperature of the substance increases. b. the temperature of the substance decreases. c. heat energy leaves the substance. d. heat energy enters the substance?

Calcium chloride +gold(1) oxide—>

Indicate whether the specified alkyl halides will form primarily substitution products, only elimination products, both substitution and elimination products, or no products when they react with sodium methoxide. 1-bromobutane 1-bromo-2-methylpropane 2-bromobutane 2-bromo-2-methylpropane

Which of the following shapes would represent a molecule with two bonded atoms and 3 lone pairs on only one of them , trigonal planar , bent , trigonal pyramidal , linear