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Category MCAT Chemistry Question
MCAT Chemistry – Acids
In the titration of acid HA against the strong base NaOH, which of the following acids will form a neutral solution at the equivalence point? I. HCl II. HF III. HI A) I only B) I and II only C)…
MCAT Chemistry Questions — Iron Production
Fe2+ is reduced to Fe using a current of 4 A for a total time of 96.5 seconds. How much iron metal will be produced in this time? A) 10-6 g B) 10-1 g C) 102 g D) 106 g
MCAT Chemistry Question — Ionization Reactions
Consider the following ionization reactions: H(g) –> H+(g) + e- F(g) –> F+(g) + e- Which of the following statements is true? A. H(g) releases energy and absorbs an electron B. H(g) absorbs more energy than does fluorine and emits…
MCAT Chemistry Question — Strongest Reducing Agent
Given the list of reduction potentials, which of the following species is the strongest reducing agent? Li+(aq)+ e– →Li (s) Eored = -3.04 V Zn2+(aq) + 2 e– → Zn (s) Eored = -0.76 V Ag+(aq) + e– → Ag (s)…
MCAT Chemistry Question — Boiling Point
Which of the following explains why water (H2O) boils at 100oC while hydrogen sulfide (H2S) boils at -60 oC? A) Compounds with lower molecular weights boil at a higher temperature B) Oxygen is more electronegative than sulfur C) The stronger…
MCAT Chemistry Question — Mercury Meniscus
Mercury is a liquid with greater cohesive than adhesive forces, when placed in a glass tube (such as in a barometer). The meniscus formed with such a liquid would appear: A) Convex B) Flat C) Concave D) Irregular
MCAT Chemistry Question — Ideal Gas Law
A container with a pressure of 3 atm occupies a volume of 11.2 L at 273 K. How many moles of gas are present in the container? A) 0.5 moles B) 1 mole C) 1.5 moles D) 3 moles
MCAT Chemistry Question — Buffer Solution
Adding 2L of pure water to a 500mL buffer solution that contains equimolar concentrations of acetic acid and sodium acetate will have which of the following effects on the buffer? A) Increase pH B) Decrease pH C) Reduce buffering capacity…
MCAT Chemistry Question — Increasing pKa
Which of the following correctly lists the reagents in terms of increasing pKa? A) Nitric Acid, Acetic Acid, Calcium Hydroxide B) Calcium Hydroxide, Acetic Acid, Nitric Acid C) Acetic Acid, Nitric Acid, Calcium Hydroxide D) Calcium Hydroxide, Nitric Acid, Acetic…