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A coffee-cup calorimeter containing 100. of is used. The initial temperature of the calorimeter is 23.0. If 5.70 of is added to the calorimeter, what will be the final temperature of the solution in the calorimeter? The heat of solution,delta H solution, ofCaCl2of is -82.8kj/mole.
The specific heat of water is 4.184 K/(g-k)
The conversion of methane to ethane is done by reacting the methane with oxygen and it produces water as well as ethane. write the equation and calculate K for the reaction at 25c and 500c. Explain how the reaction is an example of driving a non-s..
Compute the equilibrium partial pressures of Carbon dioxide and CO gases. If equilibrium constant Kp for this reaction =1.52,
calculate the number of protons in a sample of pure water with a volume of 1 mL. Then, calculate the fraction of water that is ionized.
Consider a rigid, insulated box containing 0.400 mol of He(g) at 30.0°C and 1.00 atm in one compartment and 0.600 mol of N2(g) at 100.0°C and 2.00 atm in the other compartment.
The previous best inhibitor is drug candidate AAA, with a Ki value of 10^-6 M. The following data has just come in from the lab for a modification of the same drug candidate, BBB.
How many aluminum cans would you have to collect to earn $300 if each can weighs 18.75 g and Al is worth $800 per ton
need down wind concentrations for a dirty bomb dust cloud that carries toward a nearby downtown area on a light wind
A sample of gas has an initial volume of 3.0 L at a pressure of 747 mmHg,If the volume of the gas is increased to 3.4 L , what will the pressure be?
Your friend decides to decrease cooking time for spaghetti noodles by adding table salt to 2.0 L water. How much table salt (NaCl) must be added to the water in order to raise the boiling point by 4.0?C? (Kf = 1.86?C/m, Kb = 0.512?C/m)
Does FADH2 have a thermodynamic tendency to reduce coenzyme Q at pH 7. Explain why.
A sample of gas (24.2 g) initially at 4.00 bar was compressed from 8.00 L to 2.00 L at constant temperature. After the compression, the gas pressure was ________ bar.
a hot air balloon has a volume of 4.00 x 105 l at 30 deg. c and pressure of 748 mmhg. if the avg molar mass of air is
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