Use standard enthalpies of formation to determine horxn for
Use standard enthalpies of formation to determine ?Horxn for: 3NO2(g) + H2O(l) ? 2HNO3(aq) + NO(g) Enter in kJ. -133.5 Find the change in internal energy for this reaction. Enter in kJ.
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Calculate the pH at the points in the titration of 40.00 mL of 0.425 M NH3 for the reaction below. NH3(aq) + HNO3 ? NH4+(aq) + NO3?(aq) For NH3, Kb = 1.8x10-5. Enter your answer with 2 decimal places. Enter scientific notation as 1.23E4
A monopolist knows that in order to expand the quantity of output it produces from 8 to 9 units that it must lower the price of its output from $2 to $1. Calculate the quantity effect and the price effect
Draw the demand and supply curves. What is unusual about this supply curve? Why might this be true? What are the equilibrium price and quantity of tickets?
What type of externality (positive or negative) is present in each of the following examples? Is the marginal social benefit of the activity greater than or equal to the marginal benefit to the individual?
Use standard enthalpies of formation to determine Horxn for: 3NO2(g) + H2O(l) ? 2HNO3(aq) + NO(g) Enter in kJ. -133.5 Find the change in internal energy for this reaction.
A lottery claims its grand prize is $10 million, payable over 20 years at $500,000 per year. If the first payment is made immediately, what is this grand prize really worth? Use a discount rate of 6%.
How many moles of NaOH must be added to 0.550 L of 0.191 mol/L HC3H5O2(aq) to obtain a solution with pH=4.7? Assume the temperature is 25oC. (For HC3H5O2, pKa=4.89 at 25oC).
A pure monopolist determines that at the current level of output the marginal cost of production is $2, average variable costs are $2.75, and average total costs are $2.95
Which of the above sets of quantum numbers could possibly describe an electron in the ground-state configurations of boron
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