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Water's heat of fusion is 80. , its specific heat is 1.0, and its heat of vaporization is 540. A canister is filled with 390 of ice and 100. of liquid water, both at 0 . The canister is placed in an oven until all the has boiled off and the canister is empty. How much energy in calories was absorbed?
Calculate the molarity of a solution of glycerol made by dissolving 66.000 mL glycerol at 15 ^circ {rm C} in enough water to make 400.00 mL of solution.
mixtures of helium and oxygen are used in scuba diving tanks to help prevent the bends. for a particular dive 29.0 l of
Pressure and temperature remain constant. What is the new voume if 0.500 mole O2 gas is added?
If you had a saturated solution of NaNO3 at 40 degrees Celsius that contained 85 grams of water, how much of the salt would you need to add to have a saturated solution at 70 degrees Celsius?
There are 0.30 mol SrCl2 in every liter of solution. Calculate the number of moles of SrCl2 that were added. What is the limiting reactant?
Explain your answer. Could you still identify what those amino acids were? Explain your answer. What can you not do?
Carbon dioxide and water form during combustion of propane. How many grams of water vapor form when 5.39 g of propane react
The block of iron is smaller than the block of aluminum. Both objects have the same volume.
A molecule having a molar mass of 190.3 g/mol crystallizes to a cubic solid where each edge of the unit cell is 638.0 pm. Each unit cell contains 2 molecules. What is the bulk density of the crystal
100.0 g of nickel at 150 °C was placed in 1.00 L of water at 25.0 °C. The final temperature of the nickel-water mixture was 26.3 °C.
What is the Molecular formula of the acid. Assmue the neutralization reaction has the formula HA+NaOH--->NaA+H2O
The enthalpies of formation of oxalic acid in the solid and aqueous phases are -826.8 and -818.8 kJ/mol, respectively. The heat capacity of water is 4.184 J/g*K. Ignore the heat capacity of oxalic acid.
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