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A car tire is inflated at 22°C to a pressure of 1.8 atm. After the car has been driven for several hours, the volume of the tire expands from 7.2 L to 7.8 L and the pressure increases to 1.9 atm. What is the tire's temperature?
A sample of nitrogen gas at 298 k And 745 torr has a volume of 37.42 L. what volume will it occupy if the pressure is increaaed to 119kpA at 345 K
Write the IUPAC name of the major organic product obtained from the reaction between 1-phenyl-1-ethanol and concentrated sulfuric acid when heated.
A ground state H atom absorbs a photon of light that has a wavelength of 97.3 nm. It then gives off a photon that has a wavelength of 486 nm. What is the final state of the H atom. Please explain why you choose the values you do for N1 and N2 of t..
why is it best to cool the crucible and lid (and sample) in a desiccator rather than on the laboratory bench
A sample of protein weighs 0.800 g and is dissolved in 50.0 mL of water. If the osmotic pressure of the solution is 10.5mmHg at 25 degrees C, what is the molecular weight of the protein
Calculate how long will it take for a sample of radionuclide with a half-life of 27.1 days decay to 1.0% of its original value.
Balance the following redox reaction if it occurs in acidic solution. What are the coefficients in front of H2C2O4 and H2O in the balanced reaction
A certain reaction is spontaneous at 134*C if the enthalpy change for the reaction is 198 kJ/mol. The minimum value of delta s for the reaction has to be
If the density of ethyl alcohol is 0.789 g/ml, how many quarts can be produced by the fermentation of 100.0 lbof sugar?
Titration of an oxalate sample gave the following percentages of percent oxalate: 12.28%, 12.54%, and 12.24%. Calculate the average and the standard deviation.
If 0.208g of an unknown salt of oxalate ion requires 25mL of 0.02 M MnO4^- solution, calculate the molar mass and write the molecular formula of the unknown ( oxalare is the anion, what is the cation).
A gas has a volume of 263 mL at 729 torr. What volume will the gas occupy at 368 torr if the temperature of the gas doesn't change?
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