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Calculate the amount of heat required to raise the temperature of 100.0g of water from -0.10 C to +0.10 C
Consider the following reaction, equlibrium concentrations, and equilibrium constant at a particular temperature. Determine the equilibrium concentration of SO3(g)
A sample of nitrogen gas is collected over water at a temperature of 23.0 degrees Celcius. What is the pressure of the nitrogen gas if atmospheric pressure is 785 mm Hg?
Why is mercury being replaced by other liquids such as colored alcohol as the temperature-sensing fluid
Calculate the energy for the transition of one mole of electrons from N=10 to the N=7 level in a carbon
In a closed 1.00 L flask, 2.60 atm of CO reacts with 5.80 atm of O2 according to the equation below. Assuming that the temperature remains constant, what is the final pressure in the flask?
VO2 can exist in insulating or metallic form, depending on temperature and pressure.
After the reaction was complete, the solid residue, consisting of KNO2 and the original impurities, had a mass of 24.1 g. Assuming that only the potassium nitrate had decomposed, how many grams of KNO3 were present in the original sample? Answer i..
At 25 degree celcius, the density of a 50 percent by mass ethanol/water solution is 0.914 g per subic centimetre. Given that the partial molar volume of water in the solution is 17.4 cubic centimeter per mol.
The annual production of zinc sulfide (ZnS) is 4.5 104 tons. Estimate the number of tons of SO2 produced by roasting it to extract zinc metal
An expanding gas does 175.0 J of work on its surroundings at a constant pressure of 1.0 atm. If the gas initially occupied 68.0 mL, what is the final volume of the gas
Aspirin that has been stored for a long time may give a vinegar odor and give a purple color with FeCl3, what reaction would cause this to happen
A 270- flask contains pure helium at a pressure of 755 . A second flask with a volume of 485 contains pure argon at a pressure of 727 torr.
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