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When one mole of solid NAOH is dissolved in one liter of solution, 44.5 kJ of heat are released. How much heat is released when 1 gram of NaOH is dissolved in 100.0 mL of water?
a. 11.1 kJ
b. 17800 kJ
c. 111 kJ
d. 0.111 kJ
Use the following information to find H °f of gaseous HCl: N2(g) + 3H2(g) ? 2NH3(g) ?H°rxn = - 91.8 kJ N2(g) + 4H2(g) + Cl2(g) ? 2NH4Cl(s) ?H°rxn = - 628.8 kJ NH3(g) + HCl(g) ? NH4Cl(s) ?H°rxn = - 176.2 kJ
Write oxidation number of the following: a) ammonium oxalate, (NH4)2C2O4 and b) ethanol, C2H5OH. please include calculations.
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If oxygen gas were collected over water at 295K and the total pressure of the wet gas were 710 mm Hg, what would be the partial pressure of the oxygen
Calculate both the molar and molal concentration of water (H2O) in a solution of pure water when the water is at 10C and 30C. Use an accurate molecular weight for water
an excited state of the li atom has electrons occupying two spatial orbitals 1s and 2px. what are all the possible
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what are two structural features that allow soap molecule to work in either to have a good soap
Write a balanced reaction for the complete combustion of ethanol (C2H5OH) in oxygen, using the smallest integer coefficients.
Calculate the equilibrium constant Kp for the reaction and the temperature above which the reaction favors the formation of CO and H20
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