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Consider the following gas-phase reaction: NO2(g) + N2O(g) 3 NO(g) Using data from Appendix C of your textbook calculate the temperature, To, at which this reaction will be at equilibrium under standard conditions (Go = 0) and choose whether >Go will increase, decrease, or not change with increasing temperature from the pulldown menu. To = K, and Go will with increasing temperature. For each of the temperatures listed below calculate Go for the reaction above, and select from the pulldown menu whether the reaction under standard conditions will be spontaneous, nonspontaneous, or near equilibrium ("near equilibrium" means that T is within 5 K of To). (a) At T = 908 K Go = kJ/mol, and the reaction is under standard conditions. (b) At T = 1362 K Go = kJ/mol, and the reaction is under standard conditions. (c) At T = 454 K Go = kJ/mol, and the reaction is under standard conditions.
Describe in detail how you would prepare a solution with a concentration near 0.10 M from a 0.650 stock solution. Calculate the final concentration of the diluted solution. It should be within 10% of 0.10 M
What is the minimum volume of water needed to recrystallize 50 mg of phthalic acid? How much phthalic acis will remain in solution after recrystallization?
Suppose the calorimeter for this experiment had been made of a heat-conducting material (such as metal) rather than plastic foam, so that the portion of heat energy lost to the calorimeter itself was larger and could not be ignored
How many of each type of atom are there in a cubic crystal with an edge length of 4nm?
The average concentration of calcium ion in seawater is 412 mg of calcium ion per kg of seawater. What is the molarity of the calcium ion if the density of the seawater is 1.025 g/mL?
Balance the following redox reactions. Break your answer down into individual steps not just the final balanced numbers. a) P4(s) + NO3^- ==>> H2PO4^- +NO(g) (acidic solution)
Describe another technique that could have been used to find the concentration of NaCl in the unknown solution.
Write the balanced formula unit equation for the reaction of sodium with oxygen (use major product). What is the sum of the coefficients
 What is the pH of the acidic solution before titration? 4.  What is the pH of the reaction mixture after 10.0 mL of NaOH was added?
how heavy in pounds is a gold bar at Fort Knox (dimensions of 7.0 in x 3 5/8 in x 1 3/4 inches? If the current price for gold is $1400 per troy ounce, how much is 1 bar of gold worth in ? (make sure you look up troy ounce!)
For a reaction in which delta H= -360.1 kJ/mol and delta= - 90.0 J/K*mol, determine the temperature (in *C) below which the reaction is spontaneous.
What is the solubility of nitrogen in the divers blood at the bottom of the dive? b: If you assume the mass of the divers blood is 5.0 kg, how many moles of nitrogen comes out of the divers blood when he comes to the surface?
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