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A rigid tank of 100 L contains equal volumes of liquid and vapor of refrigerant R12 at 35 C. We add R12 to the tank until the final mass of R12 inside the tank is 80 kg. If the temperature remains constant, what is the volume occupied by the liquid in the final state? How much mass of R12 was added to the tank?
Write one overall equation, using an alkali metal ion and a nitrate ion as spectator ions if needed, for the following net ionic equation: H+(aq) + OH-(aq) ? H2O(l)
A balloon contains 0.120 of gas and has a volume of 2.83 .If an additional 7.2×10?2 of gas is added to the balloon, what will its final volume be
For the above current at 3.01 V, how much electrical energy (in kw-hr) is consumed in the production of 1 kg of aluminum? (A kW-hr is 3.6 x106 J.)
Menthol is a crystalline substance with a peppermint taste and odor. When 0.705 g of menthol is dissolved in 25.0 g of cyclohexane, the freezing point of the solution is lowered by 3.76 °C.
What mass of NaOH is needed to precipitate the Cd^{2+} ions from 39.0 mL of 0.550 M Cd(NO3)2 solution?
Calculate the amount of solute in g needed to prepare 431.5 g of 8.85 %(m/m) LiNO3 solution.
What mass of NaHCO3 must be added to 1.00 L of 0.10 M Na2CO3 to make a buffer solution whose pH=9.85? pKa2(H2CO3)=10.33
Which one of the following substances will exhibit both dispersion and dipole-dipole forces between molecules in the condensed phase
The GMC Sierra 15 Hybrid 2WD, a hybrid electric vehicle, has an EPA gas mileage rating of 23.0 mi/gal on the highway. How many kilometers can the Sierra 15 Hybrid 2WD travel on the amount of gasoline
If the partition coefficients for the DCM/water and DCM/bicarbonate systems were different, what was the reason
For which set of values of DH and DS will a reaction be spontaneous (product-favored) at all temperatures
How could you convert each of the following compounds into butanoic acid? Write each step showing all reagents. (a) 1-Butanol (b) 1-Bromobutane (c) 1-Butene
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