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Explain what are the species present in a solution of sulfuric acid specified that Ka1 is very large and Ka2 = 0.012.?
Calculate the total number of ions in a single crystal of epsomite. Assume a crystal is cube?
Phosphorus-32 has a half-life of 14.0 days. Starting with 8.00 g of 32 P, how many grams will remain after 112 days?
Write the mass balance equation and charge balance equation for a solution that is 0.1 M FeCl3 and 0.2 M FeCl2
The final temperature of the mixture is 27.0 degrees C. What is the heat capacity of the unknown substance. Express the answer in TWO significant figures.
The mens world record for swimming 1500.0 m in a long course pool is 14 min 34.56 s. how many seconds would it take to swim 0.400 miles
Using the standard enthalpies of formation in Appendix C in the textbook, calculate the value of ΔHº for the combustion reaction. The formula was for the combustion of Benzene (C6H6(l))
The Solubility of Oxygen gas in water at 25 Celcius and 1.0 atm pressure of oxygen is 0.041 g/l. The solubility of oxygen in water at 3.0 atm and 25 Celcius is what g/l
What is the rate law of the reaction? b) What is the rate constant for this reaction at 64 degrees Celcius? c) At 64 degrees Celcius if the initial concentration of N2O5 is 0.048 M, how long will it take to drop to 0.024 M?
Study The chemical reaction Fe + I2 = FeI2 Then, write balanced half-reactions describing the oxidation and reduction that happen in this reaction
Determine the pH (to two decimal places) of the following solutions. A table of pKa values can be found here. If the 5% approximation is valid, use the assumption to compute pH.
If the initial pressure of the ether is 135 torr, what is its partial pressure after 1420 s? (Note, since the volume and temperature don't change, the pressure is directly related to number of moles and so the pressure can be treated similar to co..
What is the equilibrium concentration of HXY4 ^2- for a 0.15 M solution of the triprotic acid, H3XY4?
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