How many grams of sodium nitrite must be added to a 750 ml
How many grams of sodium nitrite must be added to a 75.0 mL of 0.050M nitrous acid (Ka=4.5 x 10^-4) to create a solution that has a final pH of 4.20 (assume no volume change)
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What is the pH of a solution of 0.050M formic acid(HCO2H, Ka=1.8*10^-4) and 0.035M sodium formate
Suppose the refinery can purchase 50 barrels of oil for $5 per barrel, but must pay $15 per barrel for any barrels it buys beyond 50 barrels. What is the marginal cost of producing a quantity of gasoline of less than or equal to 50 barrels
Two motorcycles are traveling in opposite directions at the same speed when one of the cyclists blasts his horn, what is the speed of the motorcycles
The atomic mass of Potassium 39 is 38.96371 AMU. Calculate the binding energy for a mass of this nuclide using 1.008665 AMU for the mass of the neutron, 1.007276 AMU for the mass of the proton, 0.00054858 AMU for the mass of the electron
Suppose that elimination of tariffs on agricultural products means that 1,000 farm workers lose jobs that pay an average of $20,000 per year. At the same time, because of the imporation of relatively cheaper foreign vegetables.
In a tripeptide of Lys-Glu-Arg, would you predict that the pKa of the middle Asparate to be lower, higher, or unchanged
Suppose the price of Labor is $50 a day and the price of capital is $100 per day. Draw the iso-cost curve if the firm chooses to spend $10,000 a day. Add an isoquant tangent to the iso-cost at 120 units of labor.
A 1g plastic pellet is accelerated by an electirc field of 1000V/m over a gap of 12 cm, What is the velocity of the pellet after crossing the gap
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