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Methane is an important trace constituent of our lower atmosphere (the troposphere). It is a significant greenhouse gas absorbing infrared radiation from the Earth's surface potentially leading to global warming. The main mechanism for methane removal is reaction with the hydroxyl radical, CH4 + OH → CH3 + H2O The temperature of the troposphere declines with altitude. Calculate the relative change in the rate coefficient for the reaction at the Earth's surface (T = 295 K) and at the top of the troposphere (T = 220 K). The reaction has an activation energy of 19.5 kJ/mol.
How do we know the oxidation of camphor leads to a different product if they look/smell the same in the end as it did in the beginning?
What is the pH of the solution created by combining 2.00 mL of the 0.10 M base with 8.00 mL of the 0.10 M acid
For reaction a+ b = c the colorless reactants produce deep red complex. Heating makes the color dissapear. Once cooled the deep red color retuns
What pair of elements would you expect to exhibit the greatest similarity in physical and chemical properties. WHY.
Because of porosity of the filter paper some of the CaC2O4*H2O precipitate passes through the filter paper. Will the reported percent of the limiting reactant in the original salt mixture be reported too high or too low
What is the most stable conformation about the C3-C4 bond of 2,3-dimethylpentane
Write balanced net ionci equations for the following electrolysis reactions using platinum electrodes 1. aquos potassium fluoride
how much heat is absorbed when 63.7g h2o at 100 c and 101.3 kpa is converted to steam at 100 c.
Cyclohexane has a freezing point of 6.50 and a of 20.0. Explain what is the freezing point of a solution made by dissolving 0.771 of biphenyl() in 25.0 of cyclohexane. State the temperature numerically in degrees Celsius.
the distance between layers in a crystal is 321 pm. x rays are diffracted from these layers at an angle of 45.6deg.
The following sequence of reactions is a good way to convert 1-alkylcyclohexene to a 3-alkylcyclohexene. Draw structural formulas showing stereochemistry for each step of the reaction sequence and show why it gives the desired product.
Describe a double bond according to valence bond theory? and Explain why rotation is restricted about a double bond, but not about a single bond.
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