MCAT Physics Question — Electric Field
The electric field a distance rA from a positively charged point charge is equal to EA. What is the ratio EB to EA of the electric field at point B a distance of 3rA from the charge? A. EB =…
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Category MCAT Question of the Day
Read MoreMCAT Physics Question — Electric Field
MCAT Biology Question — DNA Polymerase
DNA polymerase creates new DNA by adding complimentary nucleotides to a template strand from the original double-stranded DNA. If a section of the template strand had a ration of 3:2 of A:T bases, what is the ration of A:T in…
MCAT Physics Question — Work Requirement
Which of the following expressions best approximates the work required to move the box with a mass m to the top of the ramp? (Assume that the ramp is frictionless) A. mglcosΘ B. mghsinΘ C. mgdcosΘ D. mgdsinΘ Click for…
MCAT Chemistry Question — Standard Cell Potential
What is the standard cell potential for the spontaneous reaction below? 2 Ag(s) + Cl2(g) → 2 AgCl(s) Half-reaction Eo (V) Ag+ + e– → Ag 0.80 Cl2 + 2 e– → 2 Cl– 1.36 A. –0.24 V B. -0.56 V C. +0.56…
MCAT Organic Chemistry Question — Molecules
All of the following molecules are identical EXCEPT: Click for Explanation This question asks the examinee to determine the molecule that has a relative configuration different than the others. The best method to answer this question is to determine the…
MCAT Physics Question — Alpha Particle Bombardment
Nitrogen-14 undergoing alpha particle bombardment emits a proton and forms which of the following atoms? Click for Explanation This question asks the examinee to identify the atom that is created through a bombardment reaction that produces a proton particle, as…
MCAT Biology Question — Aldosterone Action
Aldosterone acts on the kidney by: increasing water permeability of the collecting duct increasing water permeability of the ascending limb of the loop of Henle increasing water permeability in the proximal tubule increasing sodium absorption and potassium secretion in the…
MCAT Chemistry Question — Nitrous Oxide
Amateur chemists make nitrous oxide at home using this (unbalanced) reaction: How many grams of NH4NO3 are required to produce 134.4 L of mixed gas if products are at STP? (Do NOT heat the ammonium nitrate above 240°C or it…
MCAT Chemistry — KNO3
What is the effect of adding KNO3 to a saturated aqueous solution of KCl? Ksp increases because more K+ ions are present. Ksp decreases because NO3– ions displace Cl– ions. The concentration of Cl– ions decreases because KNO3 addition drives…
MCAT Physics Question — Absolute Pressure
What is the ratio of the ratio of the absolute pressure at point A compared to point B if the open container shown below is filled with water? A. Pb = 2Pa B. Pb = 3Pa C. Pb = 4Pa…