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The isomerization of methyl isocyanide, CH3NC ? CH3CN, follows first-order kinetics. The half-lives were found to be 161 min at 199°C and 12.5 min at 230°C. Calculate the activation energy for this reaction.
6.17 × 10-3 kJ/mol
31.4 kJ/mol
78.2 kJ/mol
124 kJ/mol
163 kJ/mol
If 10.0 L of carbon dioxide gas at STP and 50.0g of sodium chloride react with excess ammonia and water, what is the limiting reactant and the mass of baking soda produced
A tank of oxygen holds 20.0 L of oxygen (O2) at a pressure of 15.0 atm. When the gas is released, it provides 300. L of oxygen. What is the pressure of this same gas at a volume of 300. L and constant temperature
Calculate the equilibrium [F-] in a saturated solution of CaF2 and 0.0223 M Ca(NO3)2. Take ionic strength effects into account.
What is the coefficient of H2O when the following equation is properly balanced with smallest set of whole numbers?
One of the nuclides in spent nuclear fuel is U-253, an alpha emitter with a half life of 703 million years. How long will it take for the amount U-235 to reach 14.0 percent of its initial amount? T=?
An Arrhenius plot (ln k vs. 1/T) for a second order reaction produced a straight line with a slope of -6.81e+03 K. What is the value of the Arrhenius pre-exponential if k = 3310 M-1 s-1 at 640 K
When aqueous HCl neutralizes benzoate anion, one of the actual acid species present is the hydronium ion, H3O+. Which is the more prevalent acid, HCl (pKa = -2.2) or H3O+ (pKa = 1.74). Write an equation that shows how H3O+ forms from HCl.
Cobalt was used as an internal standard to analyze a sample of titanium with atomic absorption spectroscopy. A mixture was prepared by combining a 5.50 mL Ti solution of unknown concentration with 2.00 mL of a 13.4 g/mL solution of Co
what are some differences and similiarities in the type of inhibition caused by heat acid or base and heavy metal ions
Propose a detailed mechanism for the acid - catalyzed Fisher esterification of propanoic acid
Thirteen grams of titanium react with 60.0 g of bromine. How many grams of titanium(IV) bromide are produced, assuming 100% yield? How many grams of excess reagent are present after the reaction?
What would happen to the energy yeild of glycolysis if you replace all phophate with arsenate knowing that arsenate can be released by hydoplysis of any arsenate-containing compound formed.
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