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When 15.0 L of water is added to 1.5 liter of a 2.0 M solution of potassium phosphate (aq), what is the final concentration
Which salt is most soluble in water? chromium (III) nitrate, silver iodide, barium phosphate, or calcium carbonate.
1. Why was excess dry ice used in step 3 of the procedure? 2. Why do gas laws use degrees Kelvin rather than degrees Celsius? 3. Were you surprised at how accurately the mass of a molecule of CO 2 could be determined With such simple equipment?
A cell that uses bromine to oxidize hydrogen H^+ under standard conditions at 298 K has a positive potential.
a) What is the molarity of the acetic acid? b) If the density of the vinegar is 1.006 g/cm3, what is the mass percent of acetic acid in the vinegar.
graduated cylinder contains 155 of water. A 19.0 piece of iron (density = 7.86 ) and a 18.0 piece of lead are added. What is the new water level in the cylinder?
Sims Inc. earned $1.00 per share in 2000. Five years later, in 2005, it earned $2.00. What was the growth rate in Sims' earnings per share (EPS) over the 5-year period?
What mass of water can be heated from 36C to 100C by burning this piece of coal? Answer in units of g.
Classify the following salt solution as neutral acidic or basic. Explain and use quilibrium value constants
Provided a mixture of three different compounds A, B and C to perform a chromatographic experiment using TLC. Separate experiments with the pure compounds showed the Rf values of A and B
Calculate the percent yield of salicylic acid (from 1.00 mmol isolated) from 7.00 g of Ben-Gay ointment. Ben-Gay ointment is 16% menthol
It takes 171 minutes for the concentration of the reactant in a first-order reaction to decrease from 0.6000 M to 0.150 M at 25 C? How long will it take for the reaction to be 90.0% complete
What is the activation energy for the uncatalyzed reverse reaction?
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