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  [U3Q] Which of the following demonstrates an accurate trend line?

  [U3Q] What is the celeration value?

  [U3Q] Which part of the equal-interval line graph is being indicated by the arrow?

  [U3Q] Compare the data between Days 3 and 4. Which of the following is true?

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

A certain third order reaction has a rate of {r1} M/s when the concentration of reactant A is 0.30 M. What is the rate for this reaction of the concentration of A is 0.60 M? Report your answer to three decimal places.

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.) _______

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? _______

What is the ΔG° for the following reaction given that its E° is {E} V? Al3+ (aq) + 3 Na (s)  ⇌  Al (s) + 3 Na+ (aq) F = 96500 J/V Report your answer in kJ to 1 decimal place.

Select the formal charge of each of these atoms.