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If economies are all imperfectly competitive because all economic activities are subject to increasing returns to scale, is free trade still optimal? Use a model, and extend your discussion beyond the model in line with other arguments from the course readings.
1) What is the first element on the periodic table? 2) What is the centre of an atom called? 3) True or false? Acids have a pH level below 7.
Which one of these equations describes a redox reaction?
According to the Henderson-Hasselbalch equation shown below, what equilibrium is established for the given acid/base reaction if pH = pKa - 2
You have 100.0 mL of a solution of hydrochloric acid that has a pH of 3.00. You add 100.0 mL of water to this solution. What is the resulting pH of the solution?
How many moles of hydrogen gas would be needed to react with excess carbon dioxide
You collected a tissue specimen that you would like to preserve by freeze drying. To ensure the integrity of the specimen, the temperature should not exceed -10.5C. The vapor pressure of ice at 273.16K is 611 Pa
Benzene (C6H6) as a gas burns in air at 200% theoretical air. In answering the following parts, you may assume the products of combustion are CO2, H2O, O2, and N2. For products and reactants at 25°C, calculate the heat of combustion of benzene in ..
Why must we know both in order to explain the physical properties of the molecule. physical properties to be considered are solubility and the points when the molecule changes states
how many calories are required to raise the temperature of a 150.g sample of gold from 25 Degrees C to 175 Degrees C
Determine what would you use to prepare 10 ml of 0.2M CaCl 2 from the 20M stock solution and find out which solution is with pH > 7, but is not an Arrhenius base in the strict sense?
Ca3(PO4)2 + 3 H2SO4 -> 3 CaSO4 + 2 H3PO4. Presume the reaction is carried out starting with 103 g ofCa3(PO4)2 as well as 75.0 g of H2SO4. Which substance is the limiting reactant.
the minimum concentration of the gas, in air, below which there is too little fuel to support combustion; For propane, the LFL is 2.1 mol-%; What is the mol fraction of propane in the air at the stoichiometric concentration?
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