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Given 7.80 of butanoic acid and excess ethanol, how many grams of ethyl butyrate would be synthesized, assuming a complete 100 yield?Express your answer in grams to three significant figures.
A 0.150- M solution of chloroacetic acid (HC2H2ClO2) has a pH of 1.86. What is the value of Ka for this acid and the percent ionization?
Using the data below. Assume the cells are roughly spherical. What is the average cell surface area
If the antacid for analysis is known to be Phillips Milk of Magnesia, the solution does not need to be heated, but if the sample is Maalox the solution must be heated. Explain the difference in experimental procedures.
what the molarity of H2SO4 if 15.85 mL of the solution is needed to neutralize 1.00g NaHCO3 molar mass 84.01 g/mol
What type of forces must be overcome when solid I2 is dissolved in dissolves in methanol, CH3OH? What type of forces must be disrupted between methanol molecules when I2 is dissolved?
if oxygen gas were collected over water at 22 c and the total pressure of the wet gas were 650 mm hg what would be the
Oxygen gas is commonly sold in 40.5L steel containers at a pressure of 141 atm. What volume (in liters) would the gas occupy at a pressure of 1.05 atm if its temperature remained unchanged
Dry ice (solid ) has occasionally been used as an "explosive" in mining. A hole is drilled, dry ice and a small amount of gunpowder are placed in the hole, a fuse is added, and the hole is plugged.
a 6.0-g sample of nih2o6cl2 is dissolved in aqueous solution. if an excess of ethylenediamine en is added to the
a student using anbsp mixture containing 0.88 mole of carbon dioxidenbsp and 3.9 mole of no was permitted to react in a
How do scientists know what is the composition of something. i.e. when they mention that "oxygen was obtained" how can they identify the element or compound without a doubt
You mix 100 ml of solution of pH 1 with 100 ml of solution of pH 3. What is the pH of the resulting solution (assume no buffers are present).
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