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If 12.5 gallons of gasohol contains 1.50 gal of ethyl alcohol, what is the percentage of alcohol in the gasohol?
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A 42.60 gram sample of a hydrate of BaI 2 was heated thoroughly in a porcelain crucible, until its weight remained constant. After heating, 39.01 grams of the dehydrated compound remained. What is the formula of th ...
A student finds that the mass of an object is 6.62 kg. She is told that her measurement has an error of 12.3%. What is the true mass (in kg) of the object?
Name five types of radiation. Describe, in table form, their mass number, charge, and identity.
A student is doing the experiment Chemical Formulas of Copper Sulfide by heating copper with excess of sulfur at very high temperatures using a Bunsen burner. Copper and sulfur react stoichiometrically and excess of sulf ...
What is the volume of a solution with a concentration of 1.2 M that contains 12 g of NaOH?
Calculate the volume in milliliters of a 1.8 mol/L iron(II) bromide solution that contains 150.g of iron(II) bromide FeBr2. Round your answer to 2 significant digits.
What will happen if I decide to test the solubility of sodium chloride in ethanol which is less polar than water.
How many moles of magnesium ion are present in 5.25g Mg 3 (PO 4 ) 2 ?
The density of air at STP is 1.29g/L. If your stoppered the250mL flask contains 242mL of water(also the volume of air it would contain), calculate the mass of air in the flask under STP.
Calculate the volume in milliliters of a 0.616M barium chlorate solution that contains 475.mmol of barium chlorate (Ba(ClO3)2). Round your answer to 3 significant digits.
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Why might a bank avoid the use of interest rate swaps, even when the institution is exposed to significant interest rate
Describe the difference between zero coupon bonds and coupon bonds. Under what conditions will a coupon bond sell at a p
Compute the present value of an annuity of $ 880 per year for 16 years, given a discount rate of 6 percent per annum. As
Compute the present value of an $1,150 payment made in ten years when the discount rate is 12 percent. (Do not round int
Compute the present value of an annuity of $ 699 per year for 19 years, given a discount rate of 6 percent per annum. As