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If the Equilibrium Constant = 22, and the starting concentration of reactants (Q) and products (R) are both 15 uM, then the equilibrium concentration of Q and R is what in uM?
The resulting solution freezes at 26.5 oC. If Kf for the solvent is 1.74 o C/m then determine the molar mass of the nonelectrolyte compound?
If the density of water is 1.00g/mL, what is the weight in pounds of gallon of water? you may assume that mass and weight are equivalent at the earth's surface.
A standard Ni(s) |Ni^2+ (aq) || Ag^+ (aq) | Ag(s) is constructed and the standard potential is 1.03 V a) write a balanced reaction for the cell
If a diagnostic test starts with 15mCi of Ga-68, how much is left after the test if the test runs for 2 hr and 15 minutes?
A sample of gas with a mass of 1.58 occupies a volume of 941 at a pressure of 753 and a temperature of 16. What is the molar mass of the gas.
Predict the effect of decreasing the container volume on the amounts of each reactant and product in the following reactions. (NOTE: Only ONE submission is allowed for this question.)
A 643 mL gas sample at STP is compressed to a volume of 187 mL, and the temperature is increased to 33?C. What is the new pressure of the gas in Pa? Answer in units of Pa.
The density of water decreases from 1.000g/mL at 3.98°C to 0.9170g/mL as ice at 0°C. By what volume (in mL) would a 2.632 liter flexible plastic bottle increase.
assuming no heat loss, and that the specific heat (capacity) of water is 4.184 J/g*K, what is the heat capacity of the copper in J/K?
It takes 55.0 J to raise the temperature of an 11.7 g piece of unknown metal from 13.0 C to 25.0C. What is the specific heat for the metal?
If a sample containing 2.01 mL of nitroglycerine (density = 1.592 g/mL) is detonated, how many total moles of gas are produced?
How do old dispersive infrared (IR) instruments use a grating to separate the infrared source by wavelength before passing through the sample?
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