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Olive oil is completely burned in oxygen at 100.3oC according to: C57H104O6(l) + 80O2(g) ? 57CO2(g) + 52H2O(g) ?Hrxn = -31150 kJ Calculate the change in the internal energy ?E "?U" (in kJ) for this combustion process. A) -31025 B) -31060 C) -31078 D) -31240
Determine the oxidation of each element in the following compounds: a. CH3COO- b. NaClO3 c. Al2O3
What ions and/or molecules are present in relatively large proportions in a solution of a strong acid HI (aq)?
What mass of potassium benzoate is needed to prepare one liter of a 0.135M solution of potassium benzoate?
Calculate the percent by mass of calcium carbonate in the rock, assuming that it is the only substance reacting with the HCl solution.
I told you not to take the drug N-methyl Prozac, but if you did not listen to me and trusted your organic chemistry skills enough and took some, would anything happen because the synthesis we carried out made the racemic drug
A mixture of 8.50 g He and 26.5 g Ne has a pressure of 880. mm Hg. What is the partial pressure of each of the gases?
Scientists can use mutants to study metabolic pathways. These organisms have a mutation in a gene encoding a metabolic pathway enzyme that results in the inactivation of that enzyme
the osmotic pressure of the solution is 0.443 atm. What is the percent ionization of this acid? I got 20% but its wrong
Combining aqueous solutions of BaI2 and Na2SO4 gives a precipitate. Which ion(s) is/are spectator ions in the reaction
If carbon dioxide gas is collected over water at 25C and 775 torr, what is the partial pressure of the CO2? The vapor pressure of water is 23.8 torr at 25C.
Acetic acid flowing at the rate of 20kg pe min. Product p is of combination leaves at rate of 100 kg per minute. Determine the composition of p?
If an aqueous solution has a hydroxide ion concentration ([OH-]) of 5.94 x 10-5 mol/L, what is the hydronium ion concentration? 4.48 x 10-12 mol/L 1.68 x 10-10 mol
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