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Which reagent is capable under standard conditions, of converting Co2+ (aq) into Co(s) but does not convert Fe2+ (aq) into Fe(s). Which of the following is the best reducing agent under standard conditions, F2(g),Br-(aq),Cu2+(aq),Ni(s),or Li+(aq)? Which of the following is the best oxidizing agent under standard conditions: F2(g),Br-(aq),Cu2+(aq),Ni(s),or Li+(aq)?
If a wheelchair-marathon racer moving at 13.3 miles per hour expends energy at a rate of 635 Calories per hour, how much energy in Calories would be required to complete a marathon race (26.2 miles) at this pace
Two gases, oxygen (28.8 grams) and carbon monoxide (19.0 grams), are confined in a container at a pressure of 640.0 torr. Calculate the partial pressure of carbon monoxide in torr.
determine the molarity of the naohsodium hydroxide solution. in an acid-base titration 22.13 ml of a sodium hydroxide
The density of a 23.0% by mass ethylene glycol (C_2 H_6O_2) solution in water is 1.03 g/mL. What is the molarity of the solution?
A beaker with 165 mL of an acetic acid buffer with a pH of 5.000 is sitting on a bench. The total molarity of acid and conjugate base in this buffer is 0.100 M. A student adds 7.00 mL of a 0.390 M HCl solution to the beaker. How much will the pH c..
What is the concentration of the chloride ion (in M) in a solution which contains 57.6 g aluminum chloride in 501 mL of solution
A galvanic cell Zn / Zn2+ // Cu2+ / Cu generates a current of 4.00 Amperes for 1.00 hour. The cathode increases in mass by 10.0g . If charge on an electron is 1.602 x 10-19 coulombs/ electron. Calculate the Avogadro's number using these experimenta..
an ordinary 3.0 v flashlight bulb draws roughly 0.25 a of current and converts about 1.0 of the electrical power into
Express your answer with the appropriate units. Indicate the multiplication of units explicitly either with a multiplication dot (asterisk) or a dash
The sugar in deoxyribonucleic acid, DNA, is called 2-deoxy-D-ribose. This sugar has two stereocenters. 2-Deoxy-D-ribose has how many diastereomers
If vitamin A is 83.86% Carbon and 10.56% Hydrogen by mass then determine the the molecular formula this vitamin A.?
an aqueous vinegar sample contains 5.4 acetic acid by mass and has a density of 1.006 gml. calculate the amount of
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