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Calculate Keq for 2 moles of electron(s) in each half-reaction and a standard potential of 0.23 V
What is the standard potential, E cell, for this galvanic cell? Express your answer to four significant figures and include the appropriate units.
At room temperature (20), milk turns sour in about 63 hours. In a refrigerator at 3, milk can be stored three times as long before it sours.
Isomeric products isolated from free-radical chlorination, Some isomeric products were isolated from the free-radical chlorination of (R)-sec-butyl chloride.
which of the binary compounds formed by the following pairs of elements contain polar covalent bonds. Check all that apply. A) C and Fe B) Na and O C) Al and S D) Se and O which from above are considered ionic compounds
Which of the following is NOT typical of most organic compounds?
A bottle of nail polish remover contains 182 mL of acetone, how much heat would be released by its complete combustion? The density of acetone is 0.788mL.
The specific heat of a certain type of metal is 0.128 J/(g x C). What is the final temperature is 305 J of heat is added to 63.8 g of this metal initially at 20.0 C
she decomposes the mixture in the exact same manner as the lab, and isolates 154 mL of water at the end. if the water temperature is 24oC and the atmospheric pressure is 742 torr, what was the percent by mass of mercury oxide in the mixture
the phosphorylation of 2 moles of ADP to ATP and has a deltaG= -135 kJ/mol. What is the deltaG for the conversion of glucose into lactic acid?
What is the sum of the charges on alanine, aspartic acid, and lysine? Describe how you could use salt solutions that contain cations to control the interaction between the stationary phase and the amino acids
A 100.0-mL aqueous sodium chloride solution is 14.5% NaCl by mass and has a density of 1.12 g/mL. What mass of solute would you add to make the boiling point of the solution 104.2 degree C? (Use i = 1.8 for NaCl)
If you wanted to prepare a 1.45 L buffer with a total phosphate concentration of 0.0500 M, how many grams of NaH2PO4 and Na2HPO4 would you mix together? How many grams of conjugate acid do you need? How many grams of conjugate base do you need?
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