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Calculate the maximum mass , in grams , of Ag2CrO4 that can dissolve in 100ml of water at 25°C.
Write the equilibrium constant expression for the ionization of the HOBr in water, then calculate the concentration of the HOBR(aq).
Will a precipitate form when 250 ml of 0.33 M Na2CrO4 are added to 250 ml 0.12 M AgNO3?
Assuming the reaction is at equilibrium, classify each of the following actions by whether it causes a leftward shift, a rightward shift.
For each of the equilibria in problem #1 predict (1) how Ke is affected by an increase in temperature, (2) predict how the equilibrium.
A 120.0ml sample fo a solution that is 2.8x10^-3M in AgNO3 is mixed with a 225ml sample of a solution that is .1M in NaCN.
When an aqueous solution of an organic compound is shaken with an immiscible organic solvent, such as diethyl ether.
Write reactions for each of the following and explain how the equilibrium reaction for the dissociation of lead(II) carbonate is affected.
Why must the stopper at the top of the separatory funnel be removed before liquid can be withdrawn through the stopcock?
In the lung (where there is a high concentration of O2), which direction is the equilibrium favoured?
The Kc for the following reaction; CO(g) + 2 H2(g) ? CH4(g) + H2O(g) at 1200oK is 3.93. Given the concentrations [CO] = 0.0450 M, [H2] = 0.132 M
Consider the equilibrium of AgCl(s) in water. What is the effect of adding KCl? The KCl has no effect.
Heating a reaction mixture increases the rate of a certain reaction but decreases the yield of product from the reaction. Why or why not?
What is the net ionic equation for the precipitation of Lead(II) Chromate from an aqueous solution of ion.
The reaction of ammonia with oxygen (from the air) to form nitrogen monoxide (NO, also known as nitric oxide ) is the first stage in the industrial conversion.
For the following reaction HSO4-(aq) + H2O H3O+(aq) + SO42- How will the equilibrium change when Na2SO4 is added?
Write an appropriate equilibrium expression for the reaction. What would the units of the equilibrium constant K be if the concentrations.
In which of the following substances would you expect to find hydrogen bonding? Explain your reason.
Bromine water is initially yellow/brown but changes to yellow when sodium hydroxide is added.
Calculate the half-life (t1/2) for glucose under the specified conditions.
When the concentration of X in a solution is 1.02 M, the half-life (t1/2) is 160 seconds.
The reaction follows Michaelis-Menton kinetics. The following rate data were determined for a solution in which the enzyme concentration is 10.0 uM:
Animal rights groups often target the LD50 standard as an example of callous indifference to animal welfare.
Ammonia gas at 223 deg C and 90. atm flows into a reactor at a rate of 500. L/min. Carbon dioxide at 223 deg C and 47 atm flows into the reactor.
Kc for the reaction below at 25°C is 4.8 x 10-6. Calculate the equilibrium concentration (mol/L) of Cl2(g) if the initial concentration of ICl(g) is 1.33 mol/L.