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Draw the product of the aldol-dehydration reaction with diethylketone and p-tolualdehyde. (two equivalents of aldehyde)
An auto mechanic spills 87 mL of 2.6 M H2SO4 solution from a rebuilt auto battery. How many milliliters of 2.6 M NaHCO3 must be poured on the spill to react completely with the sulfuric acid.
A gas-filled balloon having a volume of 5.00 L at 1.2 atm and 25°C is allowed to rise to the stratosphere (about 30 km above the surface of Earth),
How many types of nonequivalent protons does the following compound contain
Describe the role of the citric acid cycle as a central metabolic mechanism. Explain what happens to the cells' abilities to oxidize acetyl CoA when intermediates of the cycle are drained off for amino acid biosynthesis.
One brand of laundry bleach is an aqueous solution containing 4.00% sodium hypochlorite by mass.What is the molarity of this solution.
if 9.0L of NO are reacted with excess O2 at STP, what is the volume in liters of the NO2 produced?
The pH of 0.5 M formic acic, HCOOH, is 2.02. Calculate the difference in pH when 6.42 g of HCOONa is added to 390.9 mL of 0.50 M formic acid. Ignore any changes in volume.
reaction does k decrease over time what about in a 0 and 1 st order reaction. In a second order reaction does the half life increase over time what about in a 0 and 1 st order reaction?
You have 75.0 mL of a 2.50 M solution of Na2CrO4(aq). You also have 125 mL of a 1.52 M solution of AgNO3(aq). Calculate the concentration of CrO4 2- after the two solutions are mixed together.
A solution is made by adding 70.00grams of sodium acetate to 550.0mL of 0.60 mol/L solution of acetic acid. a.What is the pH of the
You need to prepare 100.0 mL of of buffer solution of pH=4.00 using 0.10M benzoic acid (pKa=4.20) and 0.160M sodium benzoate. What is the volume of each solution needed to prepare this buffer?
Choose an appropriate buffer system to make a buffer of ph=5.00. Calculate the appropriate composition in terms of the weak acid and conjugate base
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