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How many hours will it take to produce 78.0 g of Al metal by the reduction of Al3+ in an electrolytic cell with a current of 2.00 Amperes?
What is the heat capacity of the bomb?(Assume that the quantity of water surrounding the bomb is exactly 2250 g).
a sample of oxygen occupies 1.00 x 10^6 mL at 575 mm Hg is subjected to a pressure of 1.25 atm. What will the final volume of the sample be if the temperature is held Constant.
Im really confused about spectroscopy and need an introduction on what it is and what these types of problems mean.
A pressure of 0.600 atm of nitrosyl chloride is sealed in a flask and allowed to reach equilibrium. If 27.0% of the NOCl decomposes, what is the equilibrium constant for the reaction?
An individual suffering from a high cholesterol level in her blood has 241 mg of cholesterol per 100 { mL} of blood. If the total blood volume of the individual is 5.1 L, how many grams of total blood cholesterol does the individual's body contain..
The half-life of a reaction, is the time it takes for the reactant concentration to decrease by half. For example, after one half-life the concentration falls from the initial concentration to, after a second half-life to, after a third half-life ..
1) Many household cleaning products contain oxalic acid H2C2O4, , a diprotic acid with the following dissociation constants: Ka1=5.9E-2 and Ka2=6.4E-5 Calculate the equilibrium concentration of C2O4^2- in a 0.20 M solution of oxalic acid
Assume that a particular reaction evolves 239 kJ of heat and that 27 kJ of PV work is gained by the system. what are the values of delta H and delta E? Assume that a particular reaction evolves 239 kJ of heat and that 27 kJ of PV work is gained..
Determine hydroxyl and hydrogen ion concentration in this solution. (if Ka for ammonium ion = 5.0 x 10^-10.)
Calculate Ea. Express your answer using two significant figures Ea= kJ/mol Calculate A. Express your answer using one significant figure. A = M-1s-1
What is the molarity of a sodium hydroxide solution if 25.0 mL of this solution reacts exactly with 22.30 mL of 0.253 M sulfuric acid?
How many grams of hydrogen are necessary to react completely with 50.0 g of nitrogen in the following reaction: N2+3H2 = 2NH3 ?
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