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8. Can you dissolve .35 moles of Potassium Permanganate (KMnO4) into 500 mL of water? _________ Why? / Why not?
9. Can 1750 mL of water dissolve 4.6 moles of Copper Sulfate CuSO4? _________ Why? / Why not?
10. What is the solution concentration formed from 3.6 moles NaCl dissolved into 1.3 L of water?
11. What is the solution concentration formed from 2.1 moles BaCl2 dissolved into 1.9 L of water?
12. How many moles of solute are present in .75 L of a .89 M (molar) solution?
13. How many moles of solute are present in 1.4 L of a 1.9 M (molar) solution?
14. What volume of water would be required to dissolve .46 moles of solute to produce a .22 M solution?
A flask that can withstand an internal pressure of 2491 torr, but no more, is filled with a gas at 21.0°C and 758 torr and heated. At what temperature will it burst?
An X-ray has a wavelength 1.44A. Calculate the energy in J of one photon of this radiation.
To calculate the heat of reaction between acid and base solutions using the Styrofoam calorimeter which of the following assumptions was not required?
at 1000 k a sample of pure no2 gas decomposes.2 no2g -gt 2 nog o2gthe equilibrium constant kp is 158. analysis shows
Considering the reaction: SO2Cl2(g) --> SO2(g) +Cl2(g) Kp=2.91 and temp = 298k. the partial pressure of SO2 is 137 torr and the partial pressure of Cl2 IS 285 torr. What is partial pressure of SO2Cl2?
When 2.00 moles of H2O react, how many grams of NH3 are produced?
What are some of the general properties that distinguish metals
Suppose you are given a 2.75 g sample of the orginal mixture. You isolated the pure metal from the other components and determined that the mass of the metal was 1.25 g. What is the percent by weight of the metal in the orginal sample
How much sodium nitrate (NaNO3), in grams, should be added to water to prepare .05L of solution with a molarity of .25M?
NO (g) + O3 (g)-> NO2 (g) + O2 (g) For the reaction given, the frequency factor A is 8.7 x 1012 s-1 and the activation energy is 63 kJ/mol. What is the rate constant for the reaction at 75°C.
what is the K value for compound Z in this biphasic system, (2) how much do you remove in each individual extraction, (3) how much of compound Z is extracted with those three 33.3 mL extractions added together, AND (4) how much is still in the wat..
Question- Explain, on a molecular level, how soaps accomplish cleaning in aqueous solution. Be specific, and use appropriate terminology.
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