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Complete and balance the following redox reaction in basic solution: H2O2 (aq) + N2H4 (aq) ? N2 (g) + H2O (l) Not sure what side gets OH- etc.
The phosphate ion forms insoluble precipitates with calcium and magnesium ions, removing them from solution. Suppose that a solution is 4.5×10?2 in calcium chloride and 8.5×10?2 in magnesium nitrate.
What is the average rotational energy assuming that only J=0 to 4 levels are populated in the vibrational ground state n=0?
Nitrogen gas reacts with hydrogen gas to make ammonia(NH3). 15.5 L of N2 reacts at STP to make 30 L of ammonia. What is the percent yield?
A ketone with a formula of C5H10O undergoes alkylation, but can give two isomeric products depending on the reaction conditions. Each of these potential products (A and B) has the forumla C6H12O.
How many grams of acetylene are produced by adding water to 5.0 grams CaC2
Which of the following factors does not affect the velocity of an enzyme catalyzed reaction
What is the half-life of a compound if 85 percent of a given sample of the compound decomposes in 45 min? Assume first-order kinetics.
The sum of the third and the fourth terms is 48. If the terms of the geometric progression are alternately positive and negative, then the first term is?
How hot will a 2.3 L balloon have to get to expand to a volume of 400 L? Assume that the initial temperature of the balloon is 25 degrees Celcius.
What is the dew point of a mixture of air and water vapor at 60°C and 1 atm in which the mole fraction of the water is 12%. The total pressure on the mixture is constant.
If all the energy obtained by by burning 1.26 lb of butane (fuel value is 10.85 kcal/g) is used to heat 126.0 kg of water at an initial temp of 19.7C, what is the final temperature.
the temperature derivative of the entropy at constant pressure is related to what important,measurable physical quantity? Can this quantity ever be negative?And also recall how the curvature of a surface is related to the sign of a certain derivat..
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