Enough of a monoprotic acid is dissolved in water to
Enough of a monoprotic acid is dissolved in water to produce a 0.0197 M solution. The PH of the resulting solution is 6.41. Calculate the Ka for the acid.
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Unfortunately, Herman has not kept any historical data, but he estimates that first- quarter demand for the lights is about 30 percent below average, the second quarter demand about 20 percent below average, third-quarter demand about average, and
Calculate the pH of the solution made by adding 0.50 mol of propanoic acid, (C2H5COOH or HC3H5O2) and 0.30 mol of sodium propanoate (C2H5COONa or NaC3H5CO2) to 1.00 L of water. The value of Ka for C2H5COOH is 1.3 x 10^-5.
A computer has a word length of 8 bits including sign. A= 10101011, B = 01101111 are 2's complement numbers. Perform the following operations and indicate whether overflow occurs: (2p) (a) A+B (2p) (b) A-B (2p) Give the decimal values of A and B
From the number if moles of ammonia calculated in part (a - below) determine the number of micrograms of mitrogen per gram of dry soil. Assum you have 2.753 f of soil and all of the ammonia diffused from the soil.
Analyse and discuss the differences between closing a project that has met its objectives and closing one that was terminated early.
which ones, in your opinion, are the most difficult to overcome? 2. describe the major sources of supply base risk. what are some of the supply chian risk management tools available to avoid or mitigate supply chain risk?
Write simplified expressions in terms of [H+] and Kas and (with insignificant terms removed) for the alpha fractions of the following species of glutamic acid
(a) Which route will minimize Lynn's expected travel time? (b) Which route will maximize Lynn's utility? (c) When it comes to travel time, is Lynn a risk seeker or a risk avoider?
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