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Nitroglycerin is explosive, decomposing violently via the reaction: 4 C3H5N3O9 (s) ? 12 CO2 (g) + 6 N2 (g) + 10 H2O (g) + O2 (g) If 25.0g of nitroglycerin explodes in a 10.0 L rigid container, calculate the total pressure of all gasses present and their partial pressures, assuming the temperature is 500 OC.
What would be the resulting molarity of a solution made by dissolving 21.9 grams of KCl in enough water to make an 869-milliliter solution?
For any gas, the voulme the gas occupies is directly proportional to the number of moles of gas at a given temperature and pressure. Air is 21.0% (by volume) O2 How many moles of oxygen are present in 10.0 moles of air
Consider the following thermochemical equations : 8Mg(s) + Mg(NO3)2(s) ? Mg3N2(s) + 6MgO(s) ?H°rxn = -3884 kJ Mg3N2(s) ? 3Mg(s) + N2(g) ?H°rxn = +463 kJ 2MgO(s) ? 2Mg(s) + O2(g) ?H°rxn = +1203 kJ Use the above equations to calculate the ?H°f (in k..
Calculate the molar solubility of Fe(OH)2 in a buffer solution where the pH has been fixed at the indicated values. Ksp = 7.9 x 10-16.
Then the gas is cooled at a constant volume of 25.0L back to its original temperature. Then it contracts back at a constant tempurature to its original volume. Find the total heat flow for the entire process.
the volume of a component is to be measured by a process whose uncertainty is 0.05 ml.a. if 25 independent measurements
At 22 °C an excess amount of a generic metal hydroxide M(OH)2, is mixed with pure water. The resulting equilibrium solution has a pH of 10.21. What is the Ksp of the salt at 22 °C?
Calculate the gas NH3 in ppm over NH4OH solution.The density of the solution is 0.9g/ml and the Commercial concentrated aqueous ammonia is 29%.
calculate the minimum concentration of cr3 that must be added to 0.095 m naf in order to initiate a precipitate of
two excited triplet states are found 13814 and 15891 cm^-1 above the ground state. calculate the Helmholtz energy for this molecule at room tempreature and 1 atm.
In an acidic dry cell battery, the following unbalanced half reaction takes place in acidic solution: MnO2(s)>Mn2O3(s). a)balance the half reaction. b)is MnO2(s) oxidized or reduced. c) indicate whether the half reaction takes place at the anode o..
certain metals can be extracted from their salts usually halides those containing group 17 elements such as chlorine
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