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You work for a local chemical company. In your capacity as a chemist at this company, you developed a novel catalyst for the reaction with delta G = -10.5 kJ/mol at 50 degrees celcius For the uncatalyzed reaction at 50°C, the kf (the forward rate constant) is 10 sec-1 and the kr (the reverse rate constant) is 0.2 sec-1. The catalyst you developed increased kf to 10,000 sec-1. Based on what you have learned about enzymes, which of the following is true about the Cheap ? Expensive reaction at 50°C in the presence of the catalyst you have developed. A. deltaG = -29.1 kJ/mol and kr = 0.2 sec-1 B. deltaG = -29.1 kJ/mol and kr = 200 sec-1 C. deltaG = -10.5 kJ/mol and kr = 0.2 sec-1 D. deltaG = -10.5 kJ/mol and kr = 200 sec-1 E. deltaG = 0 kJ/mol and kr = 10,000 sec-1
calculate the amount of heat trasnferred when 3.55 g of mgs reacts at constant pressure.2mgs 02g ---gt 2mgos heat
A tank of 10 m3 volume contains an ideal gas (CP=30 J/mol-K) at T=298 K and P=5 bar. If gas from the tank is allowed to flow through a reversible device and exhaust to the atmosphere at P=1 bar.
How many photons are required to heat 255 mL of coffee from 25 degrees celcius to 62 degrees celcius?
what is the enthalpy change when 40.1 mL of 0.400 M sulfuric acid reacts with 19.5 mL of 0.133 M potassium hydroxide? H2SO4(aq)+2KOH(aq)->K2SO4(aq)+2H2O(L)
A solution is initially 0.050M in acetate, CH3COO- (Kb = 5.6 x 10^-10). 10.0mL of 0.10 M HCl is added. Calculate Ka for the conjugate weak acid of CH3COO-
Zinc metal can be obtained from zinc oxide (ZnO) by reacting the oxide with the element carbon. The products of the reaction are Zn and CO2. What mass of zinc oxide is needed to react completely with 2.22 mol of carbon? Answer in units of g
Determine the sign of ΔS sys and ΔS surr for each chemical reaction.2CO(g)+O 2 (g)?2CO 2 (g)ΔH ° rxn = -566.0 kJ. Choose from:
Acetylene gas (C2H2) is produced as a result of the reaction CaC2(s) + 2 H2O(l) → C2H2(g) + Ca(OH)2(aq).
Calibration and collection of equilibrium data are different experiment. Why could you use the calibration curve for getting equilibrium data?
Why is the Beer - Lambert law in units of absorbance rather than in units percent transmittance
Draw the product formed when Reaction of [(1R)-1-methoxypropyl]benzene undergoes substitution with the hydroxide ion
what are the atomic orbitals used in the double part of the double bond if the c-c axis of the given molecule is the y
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