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It takes 52.0J to raise the temperature of an 11.9g piece of unknown metal from 13.0C to 24.8C. What is the specific heat for the metal?
22.4 liters of a gas weighs 70g at s.t.p. calculate the weight of the gas if it occupies a volume of 20 liters at 27c
if 29.7mL of a .205 M KOH solution is required to completely neutralize 25.0mL of a solution of CH3COOH, what is the molarity of the acetic acid solution? CH3COOH(aq)+KOH(aq)>KCH3COO(aq)+H2O(l)
Find the number of moles of water that can be formed if you have 174 moles of hydrogen gas and 82 moles of oxygen gas.
Additional pure propane is added to the system and the system is brought again to equilibrium at 10 bar and 323 K. What is the effect of the propane addition on the mole fractions of propane in the vapor and liquid phases
write the skeleton equation representing the heating of magnesium carbonate to produce solid mangnesium oxide and carbon dioxide gas.
How long must a constant current of 50.0 A be passed through an electrolytic cell containing aqueous Cu2+ ions to produce 3.00 moles of copper metal
Calculate K for 2 NO(g) + O2(g) 2 NO2(g) from the observation that when equilibrium is established at 500 K, there are 0.190 moles NO2, 2.65 X 10-4 moles NO, and 0.606 moles O2 in a volume of 0.759 liters.
Diana Prince was completing a simple distillation, she connected her flask to her condenser and her condenser to her elbow and added keck clips and water lines
Compare the absorbances you obtained for the SPF 8 and SPF 15 preparations. If both preparations contain the same ingredients, how much must the concentration of UV-absorbing materials
Draw the major organic substitution product(s) for (2R,3S)-2-bromo-3-methylpentane reacting with the given nucleophile. Indicate the stereochemistry, including H\'s, at each stereogenic center. Omit any byproducts.
A weak base B has a dissociation constant Kb = 1.0 X 10-7. For a 0.30 M solution of B in water,
in a titration 35.84 ml of 0.2419 m hcl solution is required to completely neutralize 18.62 ml of feoh3 solution.what
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