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How is the rate of enzyme-catalyzed conversion affected by the acidity (pH) of the solution? Explain!
Luminol is a reagent used to detect blood at crime scenes. A technician prepares a stock solution by adding 6.0 g of luminol (molar mass=177 g/mol) to 50.0 mL of H2O.
A voltaic cell is constructed with two silver-silver chloride electrodes, each of which is based on the following half reaction
The major monochrominated product which results when ethylcyclohexene is subjected to free rdical bromination is one of the following. chose your answer from the list provided.
What is the numerical value of the rate constant and what are the units? and Calculate the rate of this reaction when the initial concentrations of OCl- and I- are 7.6 x10-3 M and 9.6 x 10-3M respectively.
A reaction taking place under standard conditions is sponteneous at 1000 K but is nonsponteneous at 300 k. What are the signs of delta Hrxn and delta S rxn
The specific heat of Ti is .523 J/gcelcius. What is the final temperature of 62g of Ti intially at 41celcius after 8.5kj of heat is added?
Determine the energy of 1.60 mol of photons for each of the following kinds of light. Infrared radiation (1510 nm)
The pressure on 0.850 mol of neon gas is increased from 1.25 atm to 2.75 atm at 100 degree Celsius. Assuming the gas to be ideal, calculate delta S for this process.
For the reaction 2A+B=3C the value of Kc=10.2 at 25 degrees C. A 1L vessel contained a mixture of 0.50 mol of A, 1.20 mol B and 4.00 mol C at the same temperature. Is the mixture in a state of equilibrium. If not predict the direction of reaction
How much heat is required to raise the temperature of a stainless steel pot weighing 450 g and containing 270 g of water from 25 degrees Celsius to boiling if the specific heat capacity of stainless steel is 0.51 J/(g*degrees C)
A solution is to be prepared with a sodium ion concentration of 0.487 mol/L. What mass of sodium phosphate (g) is needed to prepare 1.30 liters of such a solution
arrange the following in increasing order of mass.
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