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What is the freezing point of a 0.19m solution of glucose, C6H12O6, in water? Kf for water is 1.858 C/m
Calculate the formula of a compound, given that 55.85 g of iron combines with 32.06g of sulfur.
special eye drop solution for a glaucoma patient must have a 2 active ingredient a pharmacist is to prepare 15ml of it
Part A - What volume of 2.25M HCl in liters is needed to react completely (with nothing left over) with 0.250L of 0.300M Na2CO3. Express your answer numerically in liters.
A 13.00 g sample of an ionic compound NaA, where A- is the anion of a weak acid, was dissolved in enough water to make 100.0 mL of solution and was then titrated with 0.100 M HCl. After 550.0 mL of HCl was added, the pH was 5.00.
Consider the formation of n-butyl alcohol and NaBr in the presence of H2SO4. If you start with 1.31g of n-butyl alcohol and end up with 1.79g of n-butyl bromide
A mixture of gases contains 3.41 g of NO2, 7.62 g of BF3, and 6.50 g of NO. If the total pressure of the mixture is 5.12 atm, what is the partial pressure of each component?
A sample of ideal gas at room temperature occupies a volume of 23.0l at a pressure of 232torr . If the pressure changes to 1160torr , with no change in the temperature or moles of gas, what is the new volume,V2 ?
constant current of 101.0{\rm A} is passed through an electrolytic cell having an impure copper anode, a pure copper cathode, and an aqueous {\rm CuSO_4} electrolyte.
When a sample of benzoic acid was burned in a bomb calorimeter having a calorimeter constant of 12.5 kJ/oC, the temperature of the calorimeter (including its contents) rose from 23.18oC to 27.65oC. What mass, in g, of benzoic acid was burned
What is the half reaction occurring at the anode of the voltaic cell in the balanced reaction shown below? 3MnO4- + 24H+ + 5Fe ----> 3Mn^2+ + 5Fe^3+ + 12H2O
a sample containing 1.50 moles of neon gas has a volume of 8.00 liters. what is the new volume if 25.0g of neon is added.
The products of the fastest inactivation process-Explain what mechanism is responsible for the formation of the products.
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