Computing the concentrations of all species
Calculate the concentrations of all species in a 1.08 M Na2SO3 (sodium sulfite) solution. The ionization constants for sulfurous acid are Ka1 = 1.4× 10-2 and Ka2 = 6.3× 10-8.
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A 588 g chunk of iron is heated to 97.5.C. Then it is immersed in 247 mL of water orig-inally at 20.7.C. When thermal equilibrium has been reached, the water and the iron are both at 36.2.C. Calculate the specific heat of the iron. Assume no heat
A car travels 40 kilometers at an average speed of 80 km/hr and then travels 40 kilometers at an average speed of 40 km/hr. the average speed of the car for this 80 km trip is:
You have discovered a drug that inhibits the activity of the enzyme inorganic pyrophosphatase (do you recall what is the functi of this enzyme?). What effect would this drug have on DNA synthesis?
A 1.00 qt metal can contains 0.150g of He at a temperature of 20 degrees celsius. What is the pressure (in atm) inside the can? Is this pressure greater or less than standard atmospheric pressure.
You drop a single coffee filter of mass 1.7 grams from a very tall building, and it takes 52 seconds to reach the ground. In a small fraction of that time the coffee filter reached terminal speed. (a) What was the upward force of the air resistanc
An experiment is done where the AAUCCC RNA template on the telomerase is mutated. Will there be a change in the telomeric sequence as a consequence of this mutation? Explain
Select three 20th century Presidents and describe how the leadership of each affected the development of the institution of the President.
Estimate the pH at the equivalence point of an HOAc solution if 25.5 mL of this solution required 37.5 mL of 0.175 M NaOH to reach the equivalence point (Ka = 1.8 x 10-5).
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