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Epsom salts is magnesium sulfate heptahydrate. If a student takes 2.50 g of epsom salts and heats it to drive off the water, how much mass should the student expect to lose?
What mass of water would be needed to evaporate from your skin in order to dissipate 1.7 X 105 J of heat from your body?
Determine what concentration of OH - is needed to dissolve 0.015 mol of Zn(OH) 2 zinc hydroxide in a liter of solution
Project in Quantum Chemistry - The project is about The Self-Consistent Field (SCF) Method, Quantum Chemistry.
the ionization potential for a certain atom is 350kjmol. if the electron is in the first excited state the ionization
calculate the solubility (in mol/liter) of Al(OH)3 in a solution
Copper is highly sensitive to oxidation by molecular oxygen. Higher oxidation states of Cu do not catalyze diazocoupling reactions. Define oxidation (loss of electrons) and define a redox half reaction for the oxidation of CuI by O2
hydrogen peroxide usually comes commercially as a 30 wv aqueous solution with a density of 1.106 gml. calculate the
the inital temperature of the water was 25.2c at equilbrium the temperature of the water and metal was 30.4 degree c.
Assuming complete dissociation of the solute, how many grams of must be added to 275 of water to produce a solution that freezes at 14.5? The freezing point for pure water is 0.0 and is equal to 1.86
A sample of pure calcium fluoride with a mass of 15.0 g contains 7.70 g of calcium. How much calcium is contained in 45.0 g of calcium fluoride
Identify the oxidizing and reducing agents for this equation. 2HNO3 (aq)+ 2S (s) + H20 (l) --> 2H2SO3(aq)+ 2N20(g)
Define the following terms: carbohydrate, monosaccaride, disaccharide, polysaccaride. Give an example of a simple sugar and name the functional group associated with your example.
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