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An experimental fuel is a mixture of 81% ethanol and 19% gasoline by volume. Calculate how much energy in the form of heat is available from 100mL of this mixture and compare it with the amount available from pure gasoline. Assume the densities of ethanol and gasoline are .789 and .737 g/mL respectively and that n-nonane is an appropriate model hydrocarbon for gasoline.
Using an aqueous solution of Ba(NO3)2 the density of this solution is measured to be 3.640g/ml and this solution containing barium nitrate mole fraction of 0.01704. compute the molarity of this solution?
Draw the Lewis Structure and make a rough three-dimensional sketch of each species.
They started with 0.47 grams of a mixture containing 0.143 grams of the acid and recovered 0.117 grams of benzoic acid. What was their percent recovery?
From the Mn concentrations (3.56ppm and 3.71ppm) and uncertainty
Consider the temperature change, together with the volume and concentration of the acid and base, noted in the HAZMAT team's response regulation information
the mechanism involved in the distillation of a mixture containing acetone and ethanol
Gas Chromotography/ Orange oil experiment. Limonene (L) and internal Standard Anisole (A) Were used and needed to find the Wt% of L in a given orange oil sample.
What are the purpose/s of determine the melting point range for your product of acetaminophen? Note that there may be more than one correct answer.
The HCl turns the indicator red and the NaOH turns the indicator purple, but what happens to the indicator when the 2 solutions are mixed? Also, is there a temperature increase with the reaction?
How many moles of Al2S3 are produced using 12.8 grams of Al and 7.59 x 10-2 moles of S8
What values are quoted in handbooks for common hydrates of your cation?
Calculate the pH for each of the following cases in the titration of 50.0 mL of 0.190 M HClO(aq) with 0.190 M KOH(aq). The ionization constant for HClO can be found here.
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