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Calculate the expansion work done when 50g of water is electrolysed under constant pressure at 25C.
The correct answer is -10kJ but I get -6.88kJ (I used the w=(mass/molar mass)xRxT(in K) and I don't know what I am doing wrong.
Assuming that the gas becomes saturated with benzene vapor and that the total gas volume and temperature remain constant, what is the vapor pressure of the benzene in torr
An object has a mass of 50.0g. When it is dropped into a graduated cylinder containing 15mL of water, the water level in the cylinder rises to 32mL.
A certain weak acid, HA, is titrated with Ka 5.61x10^-6 naoh. More strong base is added until the equivalence point is reached. What is the pH of this solution at the equivalence point if the total volume is 56.0
calculate the equilibrium partial pressures of all gases in the reaction and set up the expression for Kp in terms of equilibrium partial pressures but do NOT solve.
Calculate the volume of concentrated sulfuric acid, containing 98% H2SO4 by mass, that would contain 40.0 g of pure H2SO4.
The combustion of an organic compound releases 35.6 kJ of energy and causes the temperature of a constant volume calorimeter to increase by 4.76 °C .
The steam is then sent back to the boiler (constant pressure heat exchanger) and reheated to 300oC. In a secondary turbine, the steam is expanded to 10kPa.
What mass of sucrose, in grams should be combined with 531g of water to make a solution with an osmotic pressure of 8.95atm at 315K
Using the inverse square law of radiation, what Geiger counter reading would you get for a radioactive material when you are 3 feet from the source
The experimental rate law is given below for some chemical reaction. Discuss each parameter in the rate law (k, concentrations, and orders) be sure to mention how they affect the reaction and how the factors that affect kinetics relate to these pa..
You are given 2.72 g of salicylic acid. Using the procedure in the lab manual for the synthesis of aspirin, you recover 0.96 of aspirin. Calculate your percent yield of aspirin.
A mixture of three gases has a total pressure of 1,380 mmHg at 298 K. The mixture is analyzed and is found to contain 1.27 mol CO2, 3.04 mol CO, and 1.50 mol Ar. What is the partial pressure of Ar
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