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1. What is a perfectly competitive market?
2. Why a perfect competitor faces a horizontal demand curve?
3. How can a firm maximize profit in a perfectly competitive market?
4. Explain why firms may shut down temporarily.
A solution gave a precipitate when ammonium oxalate was added but gave no precipitate when ammonium sulfate was added. For each Magnesium group ion(Barium, Magnesium, Strontium, and Calcium) tell whether the ion
Calculate the pH and pOH of a solution that has an H2O+ concentration of 1.3 x 10 -6M.
The mole fraction of hexane in a pentane-hexane solution is 0.750. a. Calculate the partial pressures of pentane and hexane in the vapor. b. Calculate the mole fraction of pentane in the vapor in equilibrium at 25° C with this solution.
Calculate the standard cell potential at 25 C for the reaction X(s)+2Y+(aq)?X2+(aq)+2Y(s) where ?H? = -651kJ and S = -371J/K.
The water is brought to the vapor state at 300 degrees celsius and 1,500 kPa, where its internal energy is 2,784.4 kJ/kg and its specific volume is 169.7 cm3/g. Calculate delta U and delta H for the process.
Provide the name and structure of an herbicide not structurally related to those in this experiment, and indicate how the herbicide works
What would be the energies of photons emitted after a vapor of Fi is bombarded with 3.7eV electrons?
A mercury nanometer contains 2 g of Ar. A burner heats it to P-ext. at 760 torr. What is the Temperature of the gas in the bulb when the total volume is 3 L and H=76mm?
a 4.75 g sample of aluminum pellets specific heat capacity 0.89 j degc-1 g-1 and a 10.00 g sample of iron pellets
If A 230.0-mL sample of a 0.275 M solution is left on a hot plate overnight the following morning the solution is 1.50 M. Define what volume of solvent has evaporated from the 0.275 M solution
The prosthetic group on sphingolipids can be: A. amino acids B. a peptide C. carbohydrates D. a heme group E. zinc
Problem- a) Decide which is more stable: an aryldiazonium cation, or a cyclohexyldiazonium cation? Use resonance structures to justify your answer. b) Upon heating to temperatures above 50oC, aryldiazonium salts decompose and evolve nitrogen gas.
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