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How much heat is required to change a 38.6 g ice cube from ice at -14.7 deg C to water at 65 deg C?
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How much heat is required to change a 38.6 g ice cube from ice at -14.7 deg C to steam at 114 deg C?
If you were to prepare a 1.00 solution of beginning with water at 21.5, what would the final temperature of the solution be (in ). Assume that the specific heats of both pure and the solution are the same, 4.18.
Assume that the heat required for the vaporization of the alcohol comes only from the aluminum block and that the alcohol vaporizes at 25.
How many milliliters of 0.483 M HBr solution can be made from 38.0 mL of 8.00 M HBr solution?
If the 53 g aluminum block is initially at 25^circ C, what is the final temperature of the block after the evaporation of the 1.02 galcohol? Assume that the heat required for the vaporization of the alcohol comes only from the aluminum block and t..
calculate the partial pressure. calculate the total pressure and volume in liters at stp of nitrogen helium and neon
How long will it take to deposit 89 g of magnesium from an electrolysis cell containing MgO at a current of 12.5. A magnesium formation is the only cathode reaction mg = 24glmol.
The molality of sodium nitrate solution us 1.44m. What is mole fraction of NaNo3. The molar mass of NaNo3 is 85.06g/mol
What is the maximum number of electrons in an atom that can have the following set of quantum numbers?
969 ml of gas was collected at 64 degrees celcius and a pressure of 723 mm Hg. Find the volume at STP.
Determine how much heat is evolved or absorbed when 40.0 of lithium iodide completely dissolves in water.
A radiometric dating technique uses the decay of U-238 to Pb-206 (the half-life for this process is 4.5 billion years) to determine the age of the oldest rocks on Earth and by implication the age of Earth itself The oldest uranium-containing rocks..
a zero-order reaction has a constant rate of 2.50times10-4 ms . if after 60.0 seconds the concentration has dropped to
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