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Consider the decomposition of N2O5 in carbon tetrachloride (CCl4) at 45?C
2N2O5(soln) 4NO2(g) + O2(g)
The reaction is first-order in N2O5, with the specific rate constant 6.08 x 10-4/s. Calculate the reaction rate at these conditions.
a. [N2O5] = 0.200 mol/L
b. [N2O5] = 0.319 mol/L
How many grams of magnesium chloride, MgCl2, would be required to prepare a 0.2019 m MgCl2 solution by combining this compound with 0.2050 L of water (assume a density of 1.00 g/mL)?
Fears of radiation exposure from normal use of such detectors are largely unfounded. Identify reasons why ^241Am smoke detectors are perfectly safe.
A solution of a specific vitamin has ?max = 251nm and a concentration of 4.79x10^-7M. The absorbance of the solution at 251 nm is A = 0.175. What is the molar absorptivity of the vitamin at 251nm
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Based on the Hume-Rothery Rules, speculate on the possible driving forces behind the tendency for ordering in this system.
Important information about Identifying unknown substances, Compound A (C7H14O) burned with a yellow, nonsooty flame and did not decolorize a bromine-methylene chloride solution. It did give a positive 2,4-dinitrophenylhydrazine test
Consider the following reaction: 2 HI(g) -> H2(g) + I2(g) If 3.55 moles of HI(g), 0.550 moles of H2, and 0.630 moles of I2 are at equilibrium in a 1.00 L container at 915 K
Take element Z = 57 from the periodic table. Ionize it 56 times so that there is only one electron left orbiting around the nucleus. What is the ground state energy of the electron
Explain briefly why CuSO4 is more soluble in water than in organic (nonpolar) solvent.
The reduced coenzymes generated by the citric acid cycle donate electrons in a series of reactions called the electron transport chain. The energy from the electron transport chain is used for oxidative phosphorylation.
The temperature outside is 15 degrees celsius, and the air pressure is 0.700 atm. Your neighbor, who released the balloon, tells you that he filled it with 4.20 moles of gas. What is the volume of gas inside this balloon
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