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1. write the balanced equation of the reaction of O2 with vitamin C and determine the potential of the reaction. is the reaction spontaneous? explain.
2. suppose the water that you used had not been boiled/deoxygenated. how would this have affected the amount of thiosulfate needed in the back titration, and the amount of vitamin C that you calculated to be in the sample that you used? explain.
silicon si has three naturally occurring isotopes 28si 29si and 30si. determine the number of protons neutrons and
Predict whether a precipitate will form in the following experiments. write down the associated balanced chemical equations for the formation of the precipitate.
how many calories of heat must be added to raise the temperature of 40 g of water fro 25 Celsius to 50 Celsius
The balloon is designed to continue its ascent to an altitude of 30 km, where it bursts, releasing a package of meteorological instruments that parachute back to Earth.
The random walk model used to describe gas diffusion can be treated as a binomial distribution similar to coin flips with a 50/50 chance that a particle will move in either the +x direction or the -x direction.
a brand of household bleach is 5.0 sodium hypochlorite naocl by mass and has a density of 1.08 gml. in washing
Calculate the molecular weight of this gas if A sample of gas weighs 0.250 g and occupies a volume of 112 cm3 at STP?
A 4.78 g sample of aluminum completely reacts with oxygen to form 6.67 grams of aluminum oxide. Use this date to calculate the mass percent composition of aluminum in aluminum oxide.
the specific heat capacity of silver is 0.235 jgmiddotk. its melting point is 962degc and its heat of fusion is 11.3
Explain what is the rate mol/ls for 25ml (NH2)2S2O8 (ammonium persulfate) with reaction time of 3.49s and .1L total volume
Ammonium carbamate (NH2COONH4) is found in the blood and urine of mammals. At a temperature of 511 K, Kc = 0.056 for the following equilibrium: NH2COONH4(s) 2 NH3(g) + CO2(g). If 10.2 g of ammonium carbamate is introduced into a 0.500 L containe..
A nuclear power plant operating at 40.0% efficiency produces 1132 MW of usable power in 1.00 year and consumes 1.16×10^6 g of uranium-235. What is the energy in joules released by the fission of a single uranium-235 atom. Answer in Joules/atom.
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