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Draw an energy-reaction coordinate diagram for both exothermic and endothermic reactions and compare the two. How would temperature changes observed using a calorimeter differ for exothermic and endothermic reactions?
How do you determine the number of protons and neutrons in an atoms' nucleus and the number of electrons in its first and second shells?
A 1.6 g sample of a molecular compound is dissolved in 104 g of tetrachloromethane (carbon tetrachloride). The normal boiling point of the solution is 61.51degreesC, the normal boiling point of CCl4 is 61.2degreesC. The boiling point constant for ..
The freezing-point depression of a 0.100 m (molality) MgSO4 solution is 0.225 degrees Celsius. Determine the experimental van't Hoff
How much difluoroacetic acid (d = 1.526g/cm^3 MW = 96.033) should be transferred to a 500 mL volumetric flask that's half full of water to generate
If you have 60.5 g NH3, how many grams of F2 are required for complete reaction?
The addition of H2 to C=C double bonds is an important reaction used in the preparation of margarine from vegetable oils.
The highest possible oxidation state for halogens is +7 and the lowest possible is -1. Which of the following could not disproportionate?
The BaSo4 was found to have a mass of 11.96 mg. The molecular weight of the compound was found to be 168 g/mol. Using this data, what is the molecular formula of the C, H, S compound?
Calculate the equivalent number of moles of potassium permanganate? 3) calculate the clarity of the potassium permanganate solution?
calculate the molecular weight of Isoamyl acetate with a density of 0.876. Then calculate the theoretical yield of isoamyl acetate in ml, grams and moles. Show all work and calculations.
what is the maximum mass of an object traveling at 549 m·s-1 for which the de Broglie wavelength is observable?
if .158g of baruim halide is completely precipitated with H2SO4 and .124g of BaSO4 is collected,what is the formula of the barium halide?
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