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Equal volumes of 0.190 M weak base (Kb = 2.5× 10-9) and 0.190 M HCl are mixed. Calculate the pH of the resulting solution.
Design a tube and shell heat exchanger for the fluids and duty given for you and complete Project Management tasks
Using standard reduction potentials, calculate the standard E0 cell, (emf), for each of the following reactions. 1. Show half reactions
The vapor pressure of pure CCl4 at that temperature is 143 torr and the vapor pressure of the pure unknown is 85 torr. What is the molar mass of the unknown?
Menthol, the substance we can smell in mentholated cough drops, is composed of C, H, and O. A 0.1307?mg sample of menthol is combusted, producing 0.3678mg of CO2 and 0.1507mg of H2O.
If the initial temperature of an ideal gas at 2.250 atm is 62C, what final temperature would cause the pressure to reduce to 1.500 atm
At a dosage of 18 micrograms/kilograms body weight, how many milligrams of digitalis should a 180 lb. patient receivec
Glycine has a standard entropy of 103.5J/K/mol and methylamine has standard entropy of 243.41 J/K/mol. How is this possible if glycine has a higher heat capacity.
The reduced coenzymes generated by the citric acid cycle donate electrons in a series of reactions called the electron transport chain. The energy from the electron transport chain is used for oxidative phosphorylation.
You decide to put your growing knowledge of chemistry to profit by making and selling boutique soaps that are ultra mild and have an almost neutral pH. What is the pH of your best liquid soap made from a fatty acid that has a pKa value of 2.0? The..
a student adds 41.9 mL of water to 25.8 mL of a 0.877 M perchloric acid solution. What is the concentration of the diluted solution
design a molecule with three chiral centers and draw eight possible stereoisomers of the molecule.
Suppose that 24 g of each of the following substances is initially at 25.0^circ C. What is the final temperature of each substance upon absorbing 2.45 kJ of heat?
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