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For the reaction NH4CL(aq)=NH3(g)+HCL(aq),delta g=58.8 kJ and delta h=86.4 kJ. Is this reaction favored? If so, how? What would be the entropy change for the reaction of 2.04 moles of NH4CL(aq) at 349K and 1 atm?
What would be the effect on the results of mistakenly adding 2.43 x 10^-3g Mg to 4.0mL of 0.1M HCl, rather than to 4.0mL of 1.0M HCl as instructed
suppose we redefine the standard state as P=2 atm find the new standard state ^Gf values of the following substances: a) HCl b)N2O
Prior to their phaseout in the 1980s, chemicals containing lead were commonly added to gasoline as anti-knocking agents. A 1.805 g sample of one such additive containing only lead, carbon, and hydrogen was burned in an oxygen rich environment.
Classify each of the following molecules as polar or nonpolar: a) GeH4; b) I2; c) CF3Cl; d) PCl3; e) BCl3; f) SCl2.
Understand how the ability to form hydrogen bonds gives water cohesiveness and how this property is exploited by living things.
When performing your experiment, you add your first drop of oleic acid/benzene solution, and a lens forms immediately. What is wrong with your setup
Nitrogen dioxide reacts with water to form ammonia and oxygen. At a temperature of 23.0 degrees Celsius and a pressure of 1.01 atm, how many grams of ammonia can be produced when 9.00L of nitrogen dioxide react?
Sodium sulfate dissolves as follows: Na2SO4(s) 2Na+(aq) + SO42- (aq). How many moles of Na2SO4 are required to make 1.0 L of solution in which the Na concentration is 0.10 M.
The absorbance of a blank solution prepared in the same manner was 0.025. The molar absorptivity of the copper complex is 7.90 x 103 L.mol?1.cm?1. Calculate the weight percent copper in the rock sample
What is the equilibrium constant for the reaction N2(g) + 3 H2(g) ?? 2 NH3(g) at this temperature?
An alcohol is 12.61 percent Hydrogen, 37.47 percent Carbon, and 49.92 percent Oxygen by mass. Determine the empirical formula of the alcohol.
iron was heated to 275.1 c and placed into 272 g of water at 19.8 c the temperature of the water rose to 25.6 c.
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