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Question: 1.08 g of acetylsalicylic acid was obtained from 1.00 g of salicylic acid by reaction with excess acetic anhydride. Calculate the percent yield of acetylsalicylic acid.
If the pressure of a gas is 8.1 atm at 207.3 K in a closed container, what is the pressure, in atm, if the temperature is increased to 423.5 K?
The solubility of O2 in water is 6.5 mg/L at an atmospheric pressure of 1.0 atm and temperature of 40 degrees C. Calculate the Henry's Law constant of O2 at 40 degree C. The mole fraction of O2 in air is .209
an 85.0g sample of iron requires 954 j of heat to raise its temperature 25.0c. what is the specific heat of the
Wood and oxygen are two reagents required to keep a campfire burning. identify the limiting and excess reagent: a) The fire dwindles over time. b) A carbon dioxide fire extinguisher puts out the flame.
how many liters of o2 can be made from 342 g of h2o2?the density of h2o2 is 1.463gml and the density of o2 is 1.428 gl.
Explain what mass (g) of potassium chloride is contained in 430 ml of a potassium chloride solution that has a chloride ion concentration of 0.193 M
For example, if you calculate that the correct answer is 514 mm Hg, simply type "510" in the box without the quotation marks (") or units as part of your answer.
Which one of the following pairs is a conjugate acid-base pair?
Drinking water wells frequently withdraw water from confined aquifers. Irrigation wells frequently withdraw water from either unconfined or confined aquifers.
A weather balloon has a maximum volume of 7.50 × 103 L. The balloon contains 195 L of helium gas at a pressure of 0.993 atm. What will be the pressure when the balloon is at maximum volume?
how does direct current break apart water molecule? Does the DC current fill the outer shell full of electrons making a weaker attraction so hydrogen seperates from oxygen?
Propose a reasonable synthetic strategy for the synthesis of trans-6-methyl-3-heptene from 4-methyl-1-pentyne.
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