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A 1.50 mole sample of an ideal gas at 28.5 degrees C expands isothermally from an initial volume of 22.5dm^3 to a final volume of 75.5dm^3
Calculate the threshold wavelength, in nm, of a metal if that metal emits an electron with a kinetic energy of 6.36E-19 J when illuminated with light that has a frequency of 1.97E15 Hz.
Calculate the molarity and standard deviation of MnSO4 stock solution using the molarity
A 0.1946 g piece of magnesium metal is burned in a constant volume calorimeter that has a heat capacity of 1349 J/°C.
When 1 liter of nitrogen gas reacts with 3 liters of hydrogen gas at constant temperature and pressure, how many liters of ammonia gas will be produced?
What is the molarity of C6H12O6 in an aqueous solution that is prepared by dissolving a 20.95 g sample of impure C6H12O6 in water to make 1,450 mL of solution. Assume that the sample is 93% C6H12O6 by mass. Enter your answer in mol/L, accurate to ..
How mush heat energy is reuired to melt one ice cube in a soft drink to form liquid water at 0 degrees C, if the ice cube has a mass of 18.9 g?
A mixture of gases contains 2.42 g of Kr, 4.58 g of Ar, and 5.74 g of NO2. What is the partial pressure in atm of each component of this mixture if it is held in a 11.5-L vessel at 31.3 oC? Use R = 0.0821 L-atm/mol-K as the value of the gas consta..
A closed container holds 3.14 mol of C(s) and 12.3 mol of O2(g) at 4.94 atm and -4°C. After the reaction has been run to completion (the only product is CO2(g)).
The rate of decomposition of C3H6 in the following reaction is 0.45 M/s. Calculate the rate of production of H2O. 2 C3H6 + 2 NH3 + 3 O2 → 2 CH2CHCN + 6 H2O
A sample consisting of 1-bromopropane and 1-chloropropane isinjected into a gas chromatograph quipped with a nonpolar column.which compound has the shorter retention time? Explaine the answer.
identify the following compound from its IR and proton NMR spectra. C5H6O: IR: 3300 (sharp), 2102, 1634 cm-1 NMR: ? 3.10 (1H, d, J = 1 Hz); ? 3.79 (3H, s); ? 4.52 (1H, doublet of doublets, J = 10 Hz and 1 Hz); ? 6.38 (1H, d, J = 10 Hz)
A tank containing liquid butane and one containing liquid propane are sitting adjacent to one another. Each tank is equipped with a regulator with a pressure gauge
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