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The mass of a cube of iron is 379 g. Iron has a density of 7.87 g/cm3. What is the mass of a cube of lead that has the same dimensions?
Liquid sodium is being considered as an engine coolant. How many grams of liquid sodium (minimum) are needed to absorb 6.10 MJ of energy (in the form of heat)
Determine the theoretical and percent yields of ethanol if 684 g sucrose undergoes fermentation and 349 g ethanol is obtained?
a solution contains 55 grams of ascorbic acid in 250 g of water freezes at -2.34 degrees C. calculate the molar mass of the solute
Determine the minimum mass of Sodium bicarbonate or sodium hydrogen carbonate that should be added to the spill to neutralize it?
A sample of an unknown gas effuses in 11.7 min. An equal volume of H2 in the same apparatus under the same conditions effuses in 2.23 min. What is the molar mass of the unknown gas?
The solute increases the volume of the solution, and an increase in volume requires an increase in the temperature to reach the boiling point (derived from PV = nRT).
Solving this question helps the student to understand how to find the limiting reactant and how much product is produced and What mass of product may be produced?
what is the molar mass of the unknown liquid in g/mole?
Explain what it means that the atomic mass of naturally occurring Ag, is a mixture of its two isotopes forms, is 107.868 u.
you add 1.65L of water to 112g of sodium acetate. what is the molarity of the sodium acetate in the solution
Silicon Carbide is a hard substance used as an abrasive. it is prepared by heating SiO2 and carbon at high temperatures SiO2 + 3C = SiC + 2 CO determine the limiting and excess reactant.
The total mass of pure metals produced = 0.4684 grams. compute the mass percent of CuCl2, and AgNO3, FeCl3 in the original mixture.
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