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For the molecule CH3COOCH3, indicate the orbitals involved in the bonding of the carbon and oxygens. Draw a picture to show how the orbitals overlap in both cases.
Rate of reaction for 8H2S +4O2 -> 8H2O + S8, if started with 21.35g of H2S and 15.36g of O2. What is the limiting reactant and how much S8 can be produced.
nitric oxide no is made from the oxidation of nh3 and the reactions is represented by the following equation4nh35o2
Calculate the standard molar enthalpy of formation of carbon dioxide from the following enthalpy changes. 2C(s) + O2(g) --> 2CO(g) [?H0 = -221.0kJ] and 2CO(g) + O2(g) --> 2CO2(g) [?H0= -566.0kJ] What thermodynamic principle does this exemplify
Ethanol (molar mass = 46 g/mol) can be dehydrated to yield ethene (molar mass = 28 g/mol) by heating it with an excess of concentrated sulfuric acid (acting as a catalyst).
Calculate the mass in grams of iodine (I2) that will react completely with 29.1 g of aluminum (Al) to form aluminum iodide (AlI3).
A gas expands and does P-V work on the surroundings equal to 325J. At the same time, it absorbs 127J of heat from the surroundings. Calculate the change in energy of the gas. How do I solve this?
A mercury mirror forms inside a test tube by the thermal decomposition of mercury(II) oxide. 2 HgO(s) 2 Hg(l) + O2(g) Hrxn = 181.6 kJ (a) How much heat is needed to decompose 504 g of the oxide? kJ
Consider two different solutions of the same UV-absorbing compound. Upon UV-analysis, Solution B gave an absorbance of 1.5 and Solution A gave an absorbance of 0. 5 at the same wavelength. Solution B is higher in concentration by what ratio (or per..
A saline solution contains 171 mEq/L each of Na+ and Cl-. how many moles of each of Na+ and Cl- are in 1.50 L of the saline solution.
In the Haber process, ammonia is synthesized from N2 and H2: N2 (g) + 3 H2 (g) ? 2 NH3 (g) DGº at 298 K for this reaction is -33.3 kJ/mol. The value of DG at 298 K for a reaction mixture that consists of 1.9 atm N2, 1.6 atm H2 and 0.65 atm NH3 is ..
Calculate the activity and activity coefficient for ethanol in this solution. c. Calculate ?mixG for a solution that contains 0.12 moles of ethanol and 0.83 moles of chloroform at 35.0 oC.
The cost of the salt is $1.92 for 10 kg. A rich new source of CaCl2 was discovered and mined at $1.49 for 10 kg. Which salt is more cost effective?
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