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Assuming that the initial pressure of X(2)(the 2 is at the bottom) was 0.10 bar, calculate the value of K for the decomposition.
The first ionization energy of bismuth is Ei1 = +703 kJ / mol. What is the longest possible wavelength of light that could ionize an atom of bismuth?
How many metric tons of 5%-S coal would be needed to yield the H2SO4 required to produce a 2.5-cm rainfall of pH 2.00 over an area of 100 square kilometers?
An aqueous solution of glycerol C3H8O3 is 48% glycerol by mass. Calculate the molality of the glycerol solution
the mass of a box containing 1000 washers. The mass is 0.2932 kg. What is the mass of a single washer in milligrams? Write your answer as a decimal.
The student did not pre-heat the gravity filtration apparatus in Part 3. c) The student forgot to cool 5 mL of solvent in Part 5 and washed the crystals with room-temperature solvent.
The energy available is given in the question along with the percent efficiency. Use these values to determine the energy
A certain antacid contains only Al(OH)3 (FW=78.00) and Mg(OH)2 (FW=58.33). If a 0.2678 g sample of the antacid requires 10.25 mL of 0.9815 M HNO3 for neutralization, what is the % by mass of Al(OH)3 in the mixture
write the molecular and net ionic equation for when AgNO3 and Na2CO3 are mixed. Then write the net ionic equation when each of the following stresses are applied to the same mixture.
A tiny speck (8.3 x 10-7 mol) of americium-241 is used in smoke detectors, how many atoms of americium-241 are there in one of these smoke detectors?
A student determines the mass of a bone to be 23.3751g. A 50 mL graduated cylinder contains 30.3 mL of water. When the bone is placed in the water-filled cylinder,
From the following data, calculate the delta G for the reaction at 25 degrees C. delta H = -199 kJ/mol delta S = -4.1 Joule/Kelvin - mol these are the Standard values of formation at 25 deg C.
A zero-order reaction has a constant rate of 1.90×10-4 . If after 40.0 seconds the concentration has dropped to 6.50×10-2 , what was the initial concentration?
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