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Calculate the potential of the cell. Indicate whether the reaction will proceed spontaneously in the direction considered (oxidation on the left, reduction on the right) or an external voltage source is needed to force this reaction to occur. Indicate which electrode would be the cathode if the cell would be short circuited.
Pt|TiO2+ (0.0790 M), Ti 3+ (0.00918 M), H+(1.47× 10-2 M)|| VO2+(0.1314 M), V3+(0.0784 M),H+(0.0538 M)|Pt
What is the pH of an 85 mL solution containing .215 M NaHCO3 and .203 M Na2CO3?
Compare this temperature with the true boiling point of N2. The boiling temperature is the temperature at which the areas under the two van der Waals loops are equal. In order to solve the problem
Using the equation below assume we want to use 2.3 g of Fe(no3)3 in our experiment. how much NaOH will be needed for a complete reaction?
If the standard deviation of your pipet is 0.018 mL, what is the chloride concentration ppt (W/V) of you sample?
A buffer solution is prepared by mixing 0.500 L of 1.50 M HF and 0.400 L of 0.95M KF. What is the pH of this buffer? [Ka(HF) = 6.30 × 10-4]
Does purified aspirin appear to be purer than crude aspirin? What is your evidence?
Assume you place 0.167 grams of a gaseous compound in a 0.346 Liters flask. It exerts a pressure of 0.427 atm of 30 degrees Celsius.
A 20.0 mL sample of 0.150 M KOH is titrated with 0.125 M HClO4 solution. Calculate the pH after the following volumes of acid have been added.
Some sugar substitutes are made from derivatives of sucrose. SucraloseTM is a sweetener found in soft drinks and low-calorie foods such as yogurt.
a chemical reaction produces 0.884mol of H2S gas. what volume will that gas occupy at STP?
Convert the 5 mM fumaric acid in a waste stream into malate using fumarase immobilized on nonporous spherical particles. The enzyme has a turnover number of 23/sec, and a Km of 1.55 mM. The immobilized enzyme particles are 1 mm in diameter
What carbonyl compound would the following condensation product? Which of the following could result from a self-aldol condensation followed by dehydration?
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