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State the balanced net equation for the reaction that takes place when 0.1 M solutions of copper (II) sulfate and calcium perchlorate are mixed.
Calculate the final temperature of 33 ml of ethanol initially at 20 degrees Celsius upon absorption of 541 J of heat. (density of ethanol =0.789 g/ml)?
when solid copper is added to nitric acid copperii nitrate nitrogen dioxide and water are produced. write the balanced
Calculate E for each chemical reaction that produces 943 kJ of heat but does no work on its surroundings.
If 4.0 g of CuSO4 are dissolved in 7.5 x 10^2 mL of .30 M NH3, what are the concentrations of Cu^2+. What are the concentrations of Cu^2+
A titration experiment requires 16.5 mL of 1.58 M HCl to reach the endpoint with 25 mL of LiOH. What is the molarity of the LiOH solution
A saturated solution of magnesium hydroxide (Mg(OH)2) in equilibrium with undissolved solid is prepared at 25°C. The pH of the solution is 11.03. Calculate the value of the Ksp.
Determine the pH of each of the following solutions. (a) 0.382 M hypochlorous acid (weak acid with Ka = 3e-08). (b) 0.900 M hypoiodous acid (weak acid with Ka = 2.3e-11). (c) 0.597 M pyridine (weak base with Kb = 1.7e-09).
Write balance equation for dissolution reactions and the corresponding solubility product expressions for each of the following solids
how many milligrams of hydrazoic acid ( ka= 1.9x10^-5) must be in a 5.0-L solution that has a pH of 4.90?
When 28.0 ml of 0.500 M H2SO4 is added to 28.0 ml of 1.00 M KOH in a coffee-cup calorimeter at 23.50 degrees Celsius, the temperature rises to 30.17 degrees Celsius. Calculate the delta H of this reaction.
When 1.33 mol of HCl reacts with excess MnO2, how many moles of Cl2 form?
An automobile gasoline tank holds 21kg of gasoline,when the gasoline burns, 84kg of oxygen is consumed, and carbon dioxide and water is produced. What is the total combined mass of carbon dioxide and water?
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