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The specific rotation of compound X is +15.2 degrees. A mixture of Compound X and its enantiomer are placed in the polarimeter and the observed rotation is -5.1 degrees. Which enantiomer is in excess (+ or -)? Calculate the enantiometric
A chemist at a pharmaceutical company is measuring equilibrium constants for reactions in which drug candidate molecules bind to a protein involved in cancer. Calculate the Kc value for the A-protein binding reaction.
What would be the pH of a 3x10-4 M solution of acetic acid (CH3COOH) given its acid dissociation constant Ka = 10-4.75? What are the concentrations of CH3COOH and CH3COO-
A sample of gas is confined to a cylinder housed with a movable piston. The gas occupies a volume of 1.8 L at 1.8 atm and 25°C. Calculate the volume of the gas sample if the pressure is increased to 8.6 atm at constant temperature.
Given the following balanced equation: TiCl4 + 4NaH --> Ti + 4NaCl + 2H2. How many grams of NaCl will be produced from 15.0 g TiCl4 by using sufficent NaH
Match each item in Column A with the corresponding item in Column B regarding the processes of nitrification and denitrification: Column A Column B a. NH4+ i. Electron acceptor for denitrification
What is the de Broglie wavelength of a 145 g baseball traveling at 30.0 m/s (67.1mph)? Is the wavelength much larger or smaller than the diameter of an atom .
0.755 mole of bismuth oxide reacts with an excess of carbon to form bismuth metal according to the following reaction: Bi2O3(s) + 3 C(s)-> 2 Bi(s) + 3 CO(g) How many moles of Bi form?
Assume the radius of a neutron to be approximately 1.0; times ;10^{ - 13} {rm cm}, and calculate the density of a neutron. [Hint: For a sphere V = (4/3)pi r^3.]
The equation for a Beer's Law plot is y = 2012.5x + 0.003. If the recorded absorbance for an equilibrium mixture is 0.362, what is the concentration of FeCNS2+ (aq)?
Suppose that a 2.00-L metal bottle that contains air at 113K and 2.5 atm pressure is sealed off. If we inject 60.0 mL of liquid helium and allow the entire system to warm to room temperature (25°C), what is the pressure inside the bottle?
Calculate the average translational kinetic energy (sometimes just called average kinetic energy) for one mole of gas at 385 K.
In a reaction involving reactants in the gas state, how does increasing the partial pressures of the gases affect the reaction rate
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