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Calculate the standard enthalpy of formation of carbon disulfide (CS2) from its elements, given the following data.
C(graphite) + O2(g) CO2(g) ΔH°rxn = -393.5 kJ/molS(rhombic) + O2(g) SO2(g) ΔH°rxn = -296.4 kJ/molCS2(l) + 3 O2(g) CO2(g) + 2 SO2(g) ΔH°rxn = -1073.6 kJ/mo
the pH of a neutral solution is 7.83. What is the value of Kw at that temperature?
The heat of vaporization for the compound is 27.49 kJ/mol. Calculate the heat required to convert 26.78 g C2Cl3F3 from -59.34 oC to 83.11 oC
The Nernst equation is used to predict the impact of concentration on the cell potential. What value of slope does the Nernst equation predict for a plot of Ecell vs log(Cu2+ Conc. Ratio)
Compare the stability of a tertiary carbocation, a secondary carbocation, and a primary carbocation, each with the formula C9H19+. Be sure to delete a hydrogen at the positive center and set the total charge to cation when you setup the calculatio..
When you react ammonia with a halogenated alkane, will you get only one organic product?
The protein needs to be in 1X buffer and in a total volume of 0.100 mL. You are given a 5mg/mL protein solution, a 20X sample buffer, and distilled water. How much of each wuld you mix together to make the required volume?
Calculate the molar mass (g/mol) of the element to three significant figures.
the gas can be treated as a) an ideal gas, b) a real gas. The critical pressure and critical temperature of propane are Pc = 42.5 bar and Tc=370 K, respectively.
Consider the decomposition of calcium carbonate. Assume that ?H° = 177.8 kJ/mol and ?S° = 160.5 J/K·mol for the temperature range.
Electron Configurations of Atoms and Ions The electron configuration of an atom tells us how many electrons are in each orbital. For example, helium has two electrons in the 1s orbital. Therefore the electron configuration of He is 1s^2. Part A Wh..
Need explanation: In ionizing bases, the reaction of sodium hydroxide in water is Ca(OH)2 (s) = Ca2+(aq)+2OH-(aq) First of all, how do I know that Ca(OH)2 is sodium hydroxide
A sample of a refrigeration gas in a volume of 410 mL, at a pressure of 1.26 atm, and at a temperature of 11.0 °C, was compressed into a volume of 172 mL with a pressure
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