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Cyclobutane (C4H8) decomposes in a first-order reaction with a rate constant of 87 s-1 to form two molecules of ethylene (C2H4). If the preliminary concentration is 3M, define what is the concentration after 0.040 seconds?
what mass of (NH4)2SO4 must be dissolved in 0.100L of 0.350M NH3 to produce a buffer solution with pH 10.05?
If the combustion gases consist of CO2, H2O, CO, O2, and N2 that exit at 1200 K and 2 atm, determine (a) the equilibrium composition of the product gases and (b) the rate of heat transfer from the combustion chamber. Is it realistic to disregard t..
The ratio of effusion of an unknown gas is measured to be 24.0ml/min. Under the same conditions, the rate of effusion of pure methane gas is 47.8ml/min. What is the unknown gas?
A laboratory glass bottle utilized in laboratory studies of hypoxia contains gas of the subsequent composition expressed as vol%: O2, 18.0%, N2, 80.0%; CO2 2.0%. a) Compute the partial pressure of each of the gas components. Assume atmospheric pres..
which ions in water make it 'hard'? is it possible to test for only one of these ions quantitatively in the presence of the other.
although we usually think of substances as burning only in oxygengas the process of rapid oxidation to produce a flame
What concentration of sodium chloride in water is needed to produce an aqueous solution isotonic with blood (blood, pi=7.70 atm at 25 degree C)
Identify each of the atom which has the following electron configuartions (a) 1s2-2s2-2p6-3s2-3p1 (b) 1s2-2s2-2p6-3s2-3p5 (c) 1s2-2s2-2p6-3s2-3p6-4s2 (d) which of the three has the largest ionization energy Ei1 (e) which of the three has the elect..
A 15.0-g sample of a hydrocarbon is placed in a balloon at 1.00 atm and 25°C, and the volume of the balloon is 12.2 L. The hydrocarbon is 79.89% carbon and 20.11% hydrogen by mass. Determine the molecular formula of the hydrocarbon.
Do these lambda maxs indicate an increase or a decrease in the energy of the light absorbed as the number of EN ligands bound to Cu(II) increases
Refer to the following abbreviated standard reduciton potential table. Which one is the of the following reactions would be considered NON=SPONTANEOUS
The reaction was allowed to proceed for 15 minutes, and the rate was measured again. What would you predict about the second measured rate relative to the first? The reaction rate would be faster. The reaction rate would be slower. The reaction ra..
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