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Please explain the reasoning behind the correct answer! Which of the following addition will result in no change in the pH of the solution a. Adding ammonium nitrate to an ammonia solution. b. Adding potassium chloride to a hydrochloric acid solution. c. Adding sodium formate to a formic acid solution.
want to synthesize 3-methyl-2-pentene from 2-chloro-3-methylpentane. Which reagent would you use
How much heat does your body lose when 3.35g of sweat evaporates from your skin at 25 degrees celsius? (Assume that the sweat is only water.) The heat of vaporization of water at 25 degrees celsius is 44.0 kJ/mol.
Consider ethanal (acetylaldehyde) which can exist as a pair of tautomers in equilibrium. Calculate the SCF energies of keto and enol forms, convert to Kcal/mole and calculate their relative energy values.
A reaction has ?G = 10.0 kJ and ?G° = 15.0 kJ at a temperature of 50 °C. Calculate the value of the reaction quotient Q under these conditions.
125 mole of oxygen gas is added to carbon in a .25L container. The mixture equilibriates at 500K. Calculate the equilibrium concentration of carbon monoxide, knowing that K=.086 at 500K. C(s) + O2(g) ----> 2CO(g)
Calculate the concentrations of total acetate ion for the 7 solutions below, prepared by mixing the specified volumes of .75 M acetic acid with .75 M sodium acetate
Perform the following mathematical operations, and express each result to the correct number of significant figures. 0.19*6.022*10^23
some people said that the precipitate disappeared and the solution went back to a bright orange/yellow clear colour, what is the chemical equation that describes both these reactions,
calculate the change in pH that occurs when 1.00 mmol of a strong acid is added to 100 mL of 0.0500 M CH3COOH
What volume of CO2 (g) at STP is formed when 6.00 g of cyclopentadiene, C5H6 (g) is fully oxidized
A 25-g sample of an alloy at 92 degrees celsius is placed in 50 grams of water at 20 degrees celsius. If the final temperature reached by the alloy sample and water is 27 degrees celsius.
A 0.9092-g sample of wheat flour was analyzed by the Kjeldahl procedure. The ammonia formed was distilled into 50.00mL of 0.05063 M HCl; a 7.46-mL back-titration with 0.04917 M NaOH was required. Calculate the percentage of protein in the flour.
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