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Write plausible half-equations to represent each of the following in acidic solution?
Express your answer as a chemical equation. Identify all of the phases in your answer.
a) VO2+(aq) as an oxidizing agent.
b) Cr2+(aq) as a reducing agent.
pH = log[H3O+] , pH + pOH = 14, [H3O+] * [OH-] = 1.0 X 10^-14, pH = -log(0.001) = 3 Could you show me a few of the steps between line one and two in both of these conclusions?
question when a 2.00-g sample of kscn is dissolved in water in a calorimeter that has a total heat capacity of 1.717
Explain why the angular velocity was constant over time at the second part of the experiment but it was not constant at the first part of the experiment. By the first part of the experiment, I mean the part which involved hanging masses.
Make a schematic diagram of a cell for each of the following cell reactions. Indicate on the diagram the anode, the cathode, the direction in which the anions and cations migrate through the cell and the salt bridge
A 2.56 g sample of a colorless liquid was vaporized in a 250mL flask at 121*C and 786 mmHg. Determine the molecular weight of the liquid
A total of 0.145 g of this subunit was dissolved in enough water to produce 2.00 mL of solution. At 28 Celsius the osmotic pressure produced by the solution was 0.138 atm. What is the molar mass of the protein?
Calculate the pH resulting from mixing 15.00 mL of 0.800 M HIO3 (pKa=0.77) with 45.00 mL of 0.0200 M NaOH.
If the equilibrium concentration of Fe3+, SCN-, and FeSCN2+ are 0.00140 M, 0.00140 M, and 0.000414 M, respectively, calculate the equilibrium constant for Fe3+ + SCN- FeSCN2+.
Draw the structure of acetic acid and circle the most acidic hydrogen. Provide at least two explanations for the fact that other hydrogens are less acidic than the circled one.
Determine the final concentration if a 144-mL portion of that solution is diluted using water of 143 mL ?
One enzyme under study in a is peptidylglycine alpha-amidating monooxygenase (PAM). The molecular weight of monomeric PAM is 75,000 g/mol and the enzyme contains 2 copper atoms/enzyme molecule.
How do you account for the trend of melting points in this series of acids? octanoic (caprylic) C8H16O2 at 17.5 degrees C, decanoic (capric) C10H20O2 at 31.5 degrees C, dodecanoic (lauric) C12H24O2 at 44 degrees C, tetradecanoic (myristic) C14H28O..
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