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At a certain temperature and pressure, one liter of CO2 gas weighs 1.95 g. What is the mass of one liter of C2H6 gas at the same temperature and pressure?
At 35°C, K = 1.6 10-5 mol/L for the following reaction. 2 NOCl(g) 2 NO(g) + Cl2(g) Calculate the concentrations of all species at equilibrium for each of the following original mixtures.
The dissociation constant (Kd) for the complex is 4.00E-7. Find the absorbance at 550 nm of a solution prepared by mixing 50.0 ml of 2.00 mM A and 50.0 ml of 5.00 mM B. assume the absorbance is measured with a 1.00 cm cuvette.
At what temperature will a solution of 8.27 g CaCl2 in 45.0 g H2O begin to freeze? Assume complete dissociation
For the reaction above, how much would be liberated by the combustion of 5.00g of iron metal in excess oxygen.
According to the following reaction, how many grams of bromine will be formed upon the complete reaction of 24.6 grams of bromine trifluoride? bromine trifluoride (g) bromine (g) + fluorine (g)
Cyclohexane can be used as a solvent for freezing point depression measurements. When 1.07 g of naphthalene (MW = 128.17 g/mol) is mixed with 51.29 g of cyclohexane, the freezing point of the resulting solution is 3.29 °C.
Assuming the final concentration of chloride anion after the addition of hcl (precipitation step) was 0.1M what is the remaining concentration of Ag in the solution
Which of the following is an appropriate conversion factor to convert from feet to inches? Choose one: 1 inch / 12 feet 1 foot / 12 inches 12 inches / 1 foot 12 feet / 1 inch 1 inch / 2.54 cm
describe the difference between what the retina does and what the striate cortex does?
can be done by the system if the octane is completely converted to carbon dioxide and water vapor? What will the enthalpy change be for the process? Calculate the root-mean-square speed of the carbon dioxide molecules in the question above.
What mass of sucrose should be combined with 461 g of water to make a solution with an osmotic pressure of 8.85 atm at 310 K? (Assume the density of the solution to be equal to the density of the solvent.)
Write an equation for the reaction of semicarbazide with acetophenone to form a semicarbonazone. What is the melting point of this derivative?
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