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The Ksp value for copper(II) sulfide is 6.0 × 10 -37. What is the molar solubility of this compound?
Which one of the following actions will cause an increase in the equilibrium concentration of NO(g) in a closed reaction chamber?
with this balanced equation of copper carbonate calculate the concentration of copper in solution
a gas is placed in a balloon with a volume of 3.0L at 35C and 800 torr. What would be the new volume for the gas if placed under STP
At equilibrium, the flask containing the reacting mixture Ni(s) + 4 CO(g) --> Ni(CO)4(g) contains 232 torr CO, 1240 torr Ni(CO)4, and 1.82 g Ni at 510°C. What are the Kc and KP for this reaction
Given that translational and rotational degrees of freedom typically behave classically, but vibrations behave quantum mechanically, the total (avg) energy of a diatomic is predicted to be U= (5/2)RT+ , where is obtained from Eq.124.
A solution was prepared by dissolving 5.76g of KCL*MgCl2*6H2O (277.85g/mol) in sufficient water to give 2.000L
A 10.0-mL sample of a HCl solution has a pH of 2.000. What volume of water must be added to change the pH to 4.000?
a solution contains 55 grams of ascorbic acid in 250 g of water freezes at -2.34 degrees C. calculate the molar mass of the solute
Zinc is extracted from its ore by heating with carbon in the blast furnace. How much zinc oxide do you need to make 130 g of zinc?
A soluble fluoride-containing salt such as NaF is added to "fluoridate" the water (to aid in the prevention of dental cavity). What is the maximum concentration of F- that can be present without precipitating CaF2
a sample of nitrogen gas occupies 1.55 L at 27.0 C and 1.00 atm pressure. What will the volume be -100 C and the same pressure?
What is the concentration of the H 2 SO 4 if a chemist titrates 300.0 mL of Sodium Hydroxide NaOH with a 5.0 M solution of NaOH and needs only 3.4 mL of the base to reach the endpoint,?
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