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Calculate the percent ionization of a 0.13 M formic acid solution in a solution containing 0.10M potassium formate.
Explain the difference in percent ionization in the two solutions
In the laboratory, endothermic reactions are generally performed at elevated temperatures, while exothermic reactions are generally preformed at lower temperatures. Explain what are some possible reasons for this?
What is the half-life? b) How long would it take for the concentration of CH3CN to decrease to 25% of its initial value? c) To 12.5% of its initial value?
Below are the enzymes of glycolysis. Write them in the correct order and write out what reaction it carries out on which molecule.
What is the pH of a solution that is 0.10 M CH3NH2 (methylamine) and 0.15 M methylammonium chloride
What is the pH of the solution resulting from the addition of 25.0 mL of .01M NaOH solution to 40.0 mL of .01M acetic acid
Calculate tthe freezing point in centigrade units of a soluiton consisting of 685 grams of ethylene glycol dissolved
A restriction enzyme has a recognition seuence between G and C in a palindrome. Show the products of the followling double stranded DNA upon treatment with the enzyme
Problem- In a hurry to complete the experiment , joseph failed to calibrate the spectrophotometer. As a result, all absorbance values for the standard solutions that are measured and recorded are too high.
two gas tanks are linked by a connecting tube of negligible volume with a valve. one contains 15 l of nitrogen at 7.2
Question- Calculate the change in pH when 7.00 mL of 0.100 M HCl(aq) is added to 100.0 mL of a buffer solution that is 0.100 M in NH3(aq) and 0.100 M in NH4Cl(aq).
How do you determine the charge of an electron when given the number of moles of electrons and the amount of electricity passed through the circuit?
Describe the steps to be taken in the laboratory if a large bottle of acetone (noncorrosive, nontoxic, highly volatile, water-soluble, flammable solvent) is broken and spilled.
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