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A solution originally at 0.600 M H202 is found to be 0.075 M after 54 min. The half-life of this reaction is how many minutes?
what is the minimum number of moles of sodium hydroxide required of this hydrolysis reaction to go to completion and what is the limiting reagent in this experiment?
Not knowing the actual equation of state she fits her data to a virial equation of state. In terms of the quantities appearing in the actual equation of state, explain what will she obtain for the second virial coefficient
Explain how long will the system produce 15.00 amperes of current and what is the Grxn for this reaction if the resistance is 0.08750 ohms. The Faraday constant is 96485.3C/mole of electrons; V=I*R, the reduction reaction of O2 is O2 + 4H+ + 4e-->..
Calcium in a mineral was analyzed five times by each of two methods. Are the mean values significantly different at the 95% confidence level? Method1: 0.0271 0.0282 0.0279 0.0271 0.0275 Method2: 0.0271 0.0268 0.0263 0.0274 0.0269 Chemistry
how many moles of na2s2o3 react with each mole of kio3 used in the standrdization? what is the oxidition state of a cl in ocl- ,and s in na2s2O3?
In a reaction system at equilibrium, more reactants were formed when the temperature was increased. The reaction is A. endothermic B. exothermic
Write a chemical equation that shows hydrogen fluoride dissolving in water and write a sentence to explain why the solution will conduct electricity.
At what pH will this occur? Ignore complex formation and potential redox reactions.
In aqueous solution that is 12.00 % by mass arsenic acid (H3AsO4) has a density of 1.08 g/mL. Calculate the molarity (M) of the solution.
A student performs the following gravimetric analysis of iron ions in a water system:Fe2+ (aq) + 2CO32- (aq) = FeCO3 (s)If this student used excess carbonate and obtained the following data, what was the original concentration in moles/L) of Fe2+ ..
At 35°C, K = 1.6 10-5 mol/L for the following reaction. 2 NOCl(g) 2 NO(g) + Cl2(g) Calculate the concentrations of all species at equilibrium for each of the following original mixtures
Question- In the following experiment, a coffee-cup calorimeter containing 100 mL of H2O is used. The initial temperature of the calorimeter is 23.0 degreesC. If 2.30g of CaCl2 is added to the calorimeter, what will be the final temperature of the..
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