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A strong acid is generally used to catalyze the fisher esterification of carboxylic acids. what two steps in the reaction are accelerated by the presence of strong acid, and what function does the acid play in each of these steps
Calculate the work (in kJ) when 1.70 moles of hydrogen gas are produced from the reaction of sodium in excess water at 298 K
Find out the Kb of ammonia if the pH of a buffer formed by mixing 50.0 mL of 1.00 M NH 3 and 50.0 mL of 1.00 M ammonium nitrate?
A solution is prepared by dissolving 0.18 moles of acetic acid and 0.18 moles of ammonium chloride in enough water to make 1.0 L of solution. Find the concentration of ammonia in the solution.
Explain how the designed sensing strategy functions. Point form answers are acceptable, feel free to use a diagram in your explanation.
For FeCl3 x 6H2O calculate the percent mass loss if the salt decomposed by simple loss of water and the typical decomposition of a hydrated salt with a 3+ cation
what is the change in internal energy of a system that absorbs 0.570 kj of heat from its surrounding and has 0.843 kcal of work done on it give in scientific notation
Liquid methanol can be used as an alternative flu in pickup and SUV engines. An industrial method for preparing it uses the catalytic hydrogenation of carbon monoxide
What is the concentration (mol/L) of the chromate ion in a saturated solution of silver chromate
An unknown acid has a molar mass of 60.05 g/mol. Given the following percent composition, what is the molecular formula. C-40 H-6.7 O-53.3
The following problem is based on the "Nutrition Facts" found on the wrapper of an energy bar, assuming a 2000 calorie diet. The energy bar contains 100 mg of sodium, which constitutes
Determine the pH (to 2 decimal places) of a 3.78×10-2 M solution of sodium hydrogen carbonate. If the 5% approximation is valid, use the assumption to compute pH.
the critical resolved shear stress for a metal is 25 mpa. determine the minimum possible yield strength in mpa for a
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