[U3Q] Which of the following is true of this complete daily record?

  [U3Q] This is an example of which type of graphic display?

For the reaction below, ΔH = –118.9 kJ. 2 NO (g) + O2 (g) ⇌ 2 NO2 (g) Will the reaction shift right, left, or stay the same if you add oxygen gas? _______ Will the reaction shift right, left, or stay the same if you add nitrogen dioxide gas? _______ Will the reaction shift right, left, or stay the same if you increase the volume of the container? _______ Will the reaction shift right, left, or stay the same if you plunge the container in an ice bath? _______

Refer to the phase diagram. Which letter represents the critical point? _______ Which letter is located in the gas phase region? _______ Which letter represents a point where the solid and liquid are in equilibrium? _______ What is the boiling point (in °C) at 675 mmHg? (Round to a whole number with no decimals.) _______ What is the melting point (in °C) at 800 mmHg? (Round to a whole number with no decimals.) _______

What is the pH of a {M} M solution of ammonium bromide? Report your answer to 2 decimal places. Kb of NH3 = 1.8×10-5

The standard Gibbs free energy for the reaction A + B → C is −{g} kJ at 298 K. What is the equilibrium constant for this reaction? Report your answer to 2 sig figs. Do not round in the middle of the calculation.

The following data were obtained for a reaction. What is the activation energy in kJ? Rate Constant Temperature (°C) Trial 1 {k1} x 10 – 3 {T1} Trial 2 {k2} x 10 – 3 {T2} Format Your Answer Round your answer to two decimal places. Record your units in kJ. Make sure to use 273.15 to convert between C and K.

What is the Ka for an acid if a {M} M solution has a pH of {pH}? Report your answer to 2 sig figs.

Answer the True/False questions below based on the reaction path. The energy of the reactants is approximately 127 kJ. _______ The activation energy is approximately 25 kJ. _______ The energy of the transition state is approximately 127 kJ. _______ If a catalyst is used, the activation energy will be larger than 25 kJ. _______ The energy of the products is approximately 107 kJ. _______

Describe the difference between an executable and a process. Describe how an operating system can reduce the amount of space associated with a process.