The reaction of a mixture of SO2 and O2 at a given temperature is represented by the equation2SO2(g) + O2(g) 2SO3(g)When equilibrium is established, which of the following ratios is constant regardless of the initial concentrations of SO2 and O2?

An electrolysis cell that deposits copper (from Cu2+ ions) operates for 30 minutes at an electric current of 3.20 A. What mass of copper is deposited?

By convention, the standard hydrogen electrode (SHE) is assigned a voltage of _____ V.

In a dynamic equilibrium, the rates of the forward and reverse reactions go to zero once the equilibrium is reached.

Consider the following reaction for production of ammonia via the Haber process:3H2 + N2 → 2NH3.Which of the following expressions best illustrates the rate of reaction?

69. A pregnant patient presents at her prenatal appointment at 8 weeks gestation. She states that she is anxious regarding her pregnancy, her prenatal care, and her labor and birth.  Which of the following topics does the nurse consider to be the teaching need priority at this time?

74. Which intervention would the nurse perform if the patient who has an indwelling catheter (foley) begins to complain of the need to urinate?

65. The woman’s obstetrical history:  A full term male-2009; a full term female- 2012, a preterm female gestation 32 weeks 2013; a miscarriage at 10 weeks-2014.  This baby is due in 4 months.  How does the nurse record the information?

84. Which of the following would be considered a modifiable risk factor for Coronary Artery Disease (CAD)?

58. At 0730 hours, the nurse obtains a bedside glucose reading of 62.  What are the most appropriate actions by the nurse?