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If you accidentally overheated the barium sulfate precipitate and the filter paper in the crucible, is it possible that BaO might be formed. How would this affect your results?
How many grams of water can be cooled from 45c to 15c by the evaporation of 65g of water? (The heat of vaporization of water in this temperature range is 2.4kj/g. The specific heat of water is 4.18j/k*mol .)
How many mL of 0.6M acetic acid and 0.9 molal acetic acid need to be added together to make 70ml vinegar (5% acetic acid). Assume 1g/ml density of all solutions.
A 32.5g cube of aluminum initially at 45.8C is submerged into 105.3g of water at 15.4C. What is the final temperature of both substances at thermal equilibrium. Assume that the aluminum and the water are thermally isolated from everything else.
Problem- What is the molar solubility of AgCl in 0.40 M NH3. Ksp for AgCl is 1.8*10^-10 and Kf for Ag(NH3)2+ is 1.7*10^7.
How many joules of energy are necessary to heat the steam from 100.0C to 114.0C if the specific heat of steam is 2.02 J/ g C
Calculate the volume change (in Liters) during the oxidation of sulfur dioxide in which ?E = -849.700 kJ and ?H = -852.373 kJ at a constant pressure of exactly one atm and constant temperature
What observed rotation is expected when a 1.54 M solution of (R)-2-butanol is mixed with an equal volume of a 0.770 M solution of racemic 2-butanol, and the resulting solution is analyzed in a sample container that is 1 dm long
A 20.0mL sample of 0.50 M H2C6H6O6 ascorbic acid, a diprotic acid was titrated with .50 M NaOH. The subsequent data were gathered during the titration. Explain what is Ka2 for ascorbic acid
One method used to store energy during times of low demand is by pumping water uphill into a reservoir. When energy demand exceeds the output produced by power plants, the water is released, moves downhill, and is converted into electricity by a t..
Complete the following table by filling in the formula of the ionic compound derived from the cations on the left and each of the anions across the top.
if the average person weighs seventy kilogramsnbsp andnbsp if each alpha particle depositsnbsp of energynbsp of
Given the quantities of chemicals used in this recipe
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