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To cool a volume of water from 176° K to 100° K, 7.9 x 104 J of heat energy must be removed. What is the volume of water that was cooled?
Equilibrium constant from standard potential data, Calculate the equilibrium constants of the following reactions at 25°C from standard potential data
What is the molarity of a solution of silver perchlorate, AgClO4, if 3.2 moles of silver perchlorate is dissolved in 1.5 liters of water? Is it 2.133 M, 4.756 M, 4.8 M, or 4.810 M ?
Provide the Mechanism when 50% Methanol/Water solution is used in simple distillation to extract the Methanol
for a certain change, the value of change in U is -2.37kJ. during the change the system absorbs 650 joules. how much work did the system do?
If the gas was not pure butane but 10 mole percent propane and 90 mole percent butane then determine how would the MW value be affected?
how many liters of o2 can be made from 342g H2o2 if the density of o2 is 1.428g.
What is the system? What is the surrounding? In what direction does the heat flow? Is the process endothermic or exothermic?
A 4.50-g sample of liquid water at 25.0 C is heated by the addition of 133 J of energy. The final temperature of the water is __________ °C. The specific heat capacity of liquid water is 4.18 J/gK.
Compute the heat amount required to heat a 3.9kg gold bar from 28 degree Celsius to 68 degree Celsius. Given Specific heat capacity of gold = 0.128 J/g°C.
Explain Why a glacial Acetic acid in a conductance set-up does forms gradually brighter lights that is dim to bright because it is frequently diluted with water?
How to determine if HCl is Hydrochloric acid or Hydrogen chloride. Professor said acids should be in the presence of "something"
Calculate the pH of a solution made by adding 42 g of sodium acetate, NaCH3COO, to 16 g of acetic acid, CH3COOH, and dissolving in water to make 300. mL of solution.
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