What is the value of k at 50 c
certain first-order reaction has a rate constant of 2.50×10-2 s-1 at 17 C. What is the value of k at 50 C if Ea = 85.0 kj/mol?
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The mechanisms of aspartate protease catalysis is proposed to be a. covalent nucleophilic catalysis b. covalent electrophilic catalysis c.
A proton (mass= 1.7×10-27 kg, charge= 1.6×10-19 C) travelling with speed 106 m/s enters a region of space containing a uniform magnetic field of 1.2 T. What is the time t required for the proton to re-emerge into the field-free region?
Sanger's reagent, 2,4-dinitrofluorobenzene, is a good substrate for nucleophilic aromatic substitution. Show the product of the following reaction.
Discuss why scope control is important to preventing scope-related problems on information technology projects. Explain approaches for preventing scope-related problems.
What is the density of a sample of ammonia gas, NH3, if the pressure is .928 atm and the temperature is 63.0 C
An object is placed on a horizontal surface which oscillates vertically with simple harmonic motion. When the frequency is increased to 7HZ, the object is on the point of losing contact with the surface. At what point does this occur and what is t
In a gas phase equilibrium mixture of H2, Cl2, and HCl at 300 K, [HCl] = 0.0036 mol/L and [Cl2] = 0.00485 mol/L. Calculate the concentration of H2. Kc = 4 × 1031 at this temperature.
The standard heat of combustion of butane gas, C4H10, at 25 ° C is - 2.880 x 103 kJ mol-1 when the products are CO2 (g) and H2O (l). Calculate the value of ΔH ° if the combustion products are CO2 (g) and H2O (g). given: CO2 (g) = &De
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