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Compute the ΔH° rxn for the decomposition of calcium carbonate to calcium oxide and carbon dioxide.
CaCO3(s)→ CaO(s) + CO2(g)
ΔHf°[CaCO3(s)] = -1206.9kJ/mol; ΔHf°[CaO(s)] =-635.1 kJ/mol; ΔHf°[CO2(g)] = -393.5kJ/mol
The Ka of butyric acid, C3H7COOH is 1.5 x 10-5. What is [C3H7COO-] in a 0.397 M solution of C3H7COOH
a gas filed ballon having a volume of 2.50l at 1.2 atm and 20 degrees celcius is allowed to rise to the stratosphere
Calculate the required quantity of each reagent and the volume of water that must be added for dilution.
Draw a complete mechanism for the reaction that occurs in this solvolysis experiment showing all the intermediates and using curvy arrows to show electron movement
Which basic arrangement would best accommodate three electron domains in the valence shell of a covalently bonded atom
Assume each of the following: the fuel has an average formula of C7H16 ; 15% of the heat generated from combustion goes to heat the water (the rest is lost to the surroundings); the density of the fuel is 0.78 g/mL; the initial temperature of the ..
Assuming the density of acetic acid solution is 1.0 g/mL, determine the volume of the acetic acid solution necessary to neutralize 25.0 mL of 0.10 M NaOH.
Assign an oxidation state to each element in each compound. Express all answers as a signed integer. 1. Na3PO4 2. Hg2S 3. Fe(CN)3 4. NH4Cl
1.write a balanced equation for the reaction of copper with concentrated nitric acid to form copperii nitrate. assume
solution of Cl^- ions are reacted with 0.500 M solution of AgNO3. what is the maximum mass of AgCl that precipitates?
a sample of air from the basement of a home is found to contain 8.3 ppm of radon. what is the partial pressure of radon
What are the various uses of radioactivity in healthcare? What are the future trends in healthcare with respect to the use of radioactivity?
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