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Calculate the entropy change in the surroundings associated with this reaction occuring at 25 degrees C. Show all your calculations. The change in enthalpy for the reaction is +163.2 kJ. 2N2(g) + O2(g) ---> 2N2O(g)
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The reaction of solid dimethylhydrazine ((CH3)2N2H2) and liquefied dinitrogen tetroxide (N2O4) has been investigated as a rocket fuel; the reaction produces gaseous carbon dioxide (CO2) nitrogen (N2) and water vapor (H2O ...
Why do the instructions call for using a saturated solution of NaOH rather than one at lower concentration? Why can we ignored in the calculation of the concentration of NaOH?
1. 2Cr(OH) 3 + 3Br 2 + 10OH - 6Br - + 2CrO 4 2- + 8H 2 O In the above redox reaction, use oxidation numbers to identify the element oxidized, the element reduced, the oxidizing agent and the reducing agent. 2. A tank ...
1. Consider the reaction when aqueous solutions of nickel(II) bromide and sodium carbonate are combined. The net ionic equation for this reaction is: 2. Net ionic equation for the reaction that occurs when aqueous so ...
What are Transition Metals and what specifically happens to transition metals that results in solutions that give off distinct colors?
Diagonal relationship and anomalous behaviour of the each element of the periodic table
Magnesium metal(0.100 mol) and a volume of aqueous hydrochloric acid that contains0.500 mol of HCl are combined and react to completion. How manyliters of hydrogen gas, measured at STP, are produced? Mg(s) + 2HCl(aq) --- ...
The heat fusion of pure silicon is 43.4 kJ/mol. How much energy would be needed to melt a 5.24 - g sample of silicon at its melting point of 1693 K?
Consider the following reaction: CO + H2 CH3OH A reaction mixture in a 5.18 L flask at a certain temperature contains 26.8 g CO and 2.36 g H2 . At equilibrium, the flask contains 8.67 g CH3OH. Calculate the equilibrium c ...
Silver nitrate has the molecular formula AgNO3. In a 109.0 g sample of silver nitrate, how much of that mass (in g) is from the silver atoms?
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