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A chemistry student needs of 40 ml chloroform for an experiment. By consulting the CRC Handbook of Chemistry and Physics, the student discovers that the density of chloroform is 1.48g x cm^-3 . Calculate the mass of chloroform the student should weigh out.
If a bottle of nail polish remover contains 151 g of acetone, how much heat would be released by its complete combustion?
If a piece of aluminum with mass 3.90 g and a temperature of 99.3 degrees celcius is dropped into 10.0 cm cubed of water at 22.6 degrees celcius, what will be the final temperature of the system?
what is the correct expression for computing the volume of gas at STP and determine What is the mass percent yield from 1.79 g of Sb in excess S, is obtained if 1.14 g of Sb 2 S 3 ?
In a reaction between pure acetic acid and sodium bicarbonate, 26.6 grams of sodium bicarbonate was added to 12.0 mL of acetic acid. Which reactant is the limiting reactant in this reaction
Calculate the final temperature of 37 mL of ethanol initially at 11 degrees C upon absorption of 624 J of heat. (density of ethanol =0.789 g/mL).
Estimate the average rate of production (Using this rate) of oxygen over the same time period. Considering the given equation 2H 2 O 2 --> 2H 2 O+O 2 -H 2 O 2
If 860 liters of neon at 45°C and 800 mm. are decreased to 700 liters at the same pressure, what is the new temperature of this gas?
describe the molecular geometry of formic acid in terms of hybrid orbitals,bond angles and sigma and pi bond, and how many lone pairs are in the molecule.
How many grams of oxygen are needed to react completely with 1290 grams of pentanone (C5H10O)?
what is the mass in grams of solid sulfur,S8 required to produce 25.50g of Cu2S(s) according to the balanced equation.
What is the expected molar solubility of silver phosphate, Ag3PO4 in water? B) What is the expected molar solubility, in ppt (parts per thousand), of lead(II) iodide, PbI2 in water
E85 fuel is a mixture of ethanol and gasoline. What is the mass in kilograms of E85 (d=0.758g/mL) in a 14.0 gallon tank.
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