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a bottle of champagne is 11% alcohol by volume. if there are 750 mL of champagne in the bottle how many mL of alcohol are present
What is the maximum number of moles of AgCl that could be obtained from this mixture?
Determine how much Nitrogen gas is consumed if 13.6 grams of FeN are formed in above reaction?
Activity of a cation (M+) is 0.0487 mol/liter. Calculate the concentration of the cation if y=0.84. Show work.
To prepare 5.0 L of a 3.50 M solution of Potassium Hydroxide (KOH), how many grams of Potassium Hydroxide must be used?
A 2kg iron bar (c of iron is 440 J.kg .K) is heated to 80 Celsius. The bar is dipped in 5kg of water at 20 Celsius in a heat insulated container. What will be the equilibrium temperature inside the container?
The B4O5(OH)4^2- ion present in 5 ml of a saturated Na2B4O5(OH)4 solution at a measured temperature is titrated to the bromocresol endpoint with 3.25 ml of .291 M HCl.
A sample of gas with an initial volume of 27.6L at a pressure of 735 mmHg and a temperature of 309 K is compressed to a volume of 15.8 L and warmed to a temperature of 374 K.
The pK value of the system is 6.1. If the [CO2] is expressed in terms of partial pressure and equals 1.3kPa and the bicarbonate concentration is 2.2 x 10^-3 M, what is the pH of the solution.
If 50.00mL of propylene glycol has am ass of 51.80g, what is its density in SI units (kg/m^3).
When you use the half reaction method to balance the redox reaction between one mole of NBS and ascorbic acid to give L-dehydroascorbic acid and succinimide, how many moles of electrons are transferred.
The initial concentrations of four species in an equilibrium are [Cl2] = 1.40 M, [HCl] = 0.100 M, [O2] = 0.300 M and [H2O] = 0.500 M. Is the reaction at equilbrium? If not in what direction must the reaaction shift for the equilibrium to be reache..
A sample of indium sulfate, In2(SO4)3, contains 0.0446 moles of oxygen. What mass of indium is present?
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