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A certain reaction has a delta H = -75 kJ and an activation energy of 40 kJ. A catalyst is found that lowers the activation energy of the forward reaction by 15 kJ. What is the activation energy of the reverse reaction in the presence of this same catalyst?
Calculate the molar concentration of OH- ions in a 0.550 M solution of hypobromite ion (BrO-; Kb=4.0 x 10^-6). What is the pH of this solution?
Using the Nernst equation calculate the cell voltage for: Fe(s) + Cd2+(aq) ? Fe2+(aq) + Cd(s) when the [Fe2+] = 0.17 M and [Cd2+] = 1.1 M. Potentially useful information: Fe2+ + 2e
Consider the following reaction: 2A + B → 3C + D If 63.0 mol A and 42.0 mol B react to form 54.0 mol C. What is the percent yield of this reaction.
water flowing through pipes of carbon steel must be kept at PH 5 or greater than limit corrosion if an 8.0 *10^3 Ib/hr water stream contains 10 ppm sulfuric acid and 0.015% acetic acid, how many pounds per hour of sodium acetate trihydrate
Determine qp for this reaction using deltaH = qp *Just scratching the surface on enthalpy, the help in understanding the process in full is much appreciated
What is the concentration for each substance at equilibrium for the following gaseous reaction if the initial concentration of ethene,
The heat of combustion for ethane C2H6 (molar mass=28.0g/mol) is 52.0 kj/g. How much heat would be released if 14g of ethane undergo combustion. How much heat would be released if 2.75 moles of ethane undergoes combustion
What is the maximum kinetic energy of an ejected electron if platinum metal is irradiated with 174-nm light? The threshold wavelength for a platinum metal surface is 212 nm.
Given your knowledge of complex ion formation, what do you expect to happen to the solubility of ZnS(s) in a solution containing excess NH3?
earlier alex says somewhere in the scientific method lies the answer for the needed management techniques. here alex
Specific rotation of α and β -D-glucose - Determine the percentage of each anomer at equilibrium.
The molecular weight of NADH is 663.43g ans it's absorbance coefficient is 6220 M^-1 cm^-1. How much of your solution do you have to dilute to obtain the desired concentration not exceeding volume of 1mL?
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