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Problem- A sample of gas occupies 60.0 mL at -10C and 720 torr. What pressure will the gas exert in a 101 mL sealed bulb at 25C
I know these has to do with the ideal gas law, I am just not sure how to apply it
Provide your answer in scientific notation
Problem- What molar ratio of acetic acid to sodium acetate is required to create a buffer solution having a ph of 4.80 at25C? Ka forHC2H3o2 is 1.8*10^-5
Calculate the solubility-product constant for Zn3(AsO4)2. Ksp = (c) The Ksp of Ag2CO3 at 25 oC is 8.46e-12. What is the molar solubility of Ag2CO3? solubility = mol/L
the molar volume of a certain solid is 161.0 cm3 at 1 atm and 350.75 k its melting temperature. the molar volume of the
A current of 120 mA was used for 20.0 minutes and then 150 mA for 18 minutes. Using this data, what mass should be assigned for the molar mass of copper assuming 100% efficiency
A gas occupies a volume of 140 mL at 35 celcius and 97 kpa. What is the volume of the gas at conditions of STP?
How much energy (in kilojoules) is released when 26.0 of ethanol vapor at 93.5 is cooled to -13.0? Ethanol has = -114.5 , = 78.4 , = 38.56 and = 4.60 . The molar heat capacity is 113 for the liquid and 65.7 for the vapor.
Problem- Given the enthalpy change and entropy change, which of the following processes will be spontaneous
The formulation of one commercial antacid includes both aluminum hydroxide and magnesium hydroxide. Suggest a possible reason for this combination
If a sample that is 1.200g in 25.0mL of heptane is cooled to 0 degrees C, what would be the percent recovery of the solid that would be collected? (M.P.=80 degrees C)
Carbon dating is a well-calibrated radiometric dating system used for items generally younger than 50,000 years old (14 C has a half-life of 5730 years).
A piston has an external pressure of 11.0 rm atm. How much work has been done if the cylinder goes from a volume of 0.130 liters to 0.460 liters.
A gold alloy has a density of 12.4g/ml and contains 75%gold by mass. calculate the volume of this alloy that can be made from 255 g of pure gold.
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