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The energy of activation of an uncatalyzed reaction is 60 kJ/mol. The energy of activation is reduced to 25 kJ/mol for the enzyme catalyzed reaction. Please calculate the rate constant of the catalyzed and uncatalyzed reactions. How many folds of rate enhancement are produced by the enzyme?
What is the molarity of a potassium triiodide solution, KI3(aq), if 30.00 mL of the solution is required to completely react with 25.00 mL of a 0.500 M thiosulfate solution, K2S2O3(aq)
The rate of an enzyme-catalyzed reaction usually increases with temperature, but then decreases after reaching the "optimal temperature."
The dissociation constant (Kd) for the complex is 4.00E-7. Find the absorbance at 550 nm of a solution prepared by mixing 50.0 ml of 2.00 mM A and 50.0 ml of 5.00 mM B. assume the absorbance is measured with a 1.00 cm cuvette.
A sample of an ideal gas has a volume of 2.30 L at 2.80 × 102 K and 1.05 atm. Calculate the pressure when the volume is 1.17 L and the temperature is 306 K
An airplane weighing 25 metric tons leaves ground and flies to a height of 36,000 feet and attains a velocity of 575 miles/hour. What change in energy is involved
Calculate the work in kilojoules done during a synthesis of ammonia in which the volume contracts from 7.6 L to 4.6 Lat a constant external pressure of 41atm.
List 2 major factors that will affect the accuracy of your data and how you can improve the experiment
how many atoms of aluminum can be produced by the decomposition of 31.5 g of aluminum oxide
Strontium-90 is a byproduct in nuclear reactors fueled by the radioisotope uranium-235. The half-life of strontium-90 is 28.8 yr. What percentage of a strontium-90 sample remains after 75.0 yr
How many moles of HCl are required to react with 0.610 g of Al(OH)3 in the above unbalanced reaction? Use at least as many significant figures in your molar masses as in the data given.
The heat of formation of liquid diatomic bromine is 0 kJ/mole. The heat of formation of gaseous diatomic bromine 30.9 kJ/mole. The heat of formation of gaseous monatomic bromine
Lithium will react with oxygen in a pressurized container to produce solid lithium oxide at 25°C. if 0.130 g Li(s) is placed in a 0.500 L container filled with oxygen at 1.90 atm
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