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A 17.5 g mass of ice at 273K is added to 125g of H2O(l) at 325K at constant pressure. Is the final state of the system liquid or ice? calculate ?S for the process. Is the process spontaneous ?
What observed rotation is expected when a 1.02 M solution of (R)-2-butanol is mixed with an equal volume of a 0.510 M solution of racemic 2-butanol, and the resulting solution is analyzed
The electron in a hydrogen atom occupies a 6p orbital. What is the longest wavelength of light that can be emitted by this atom? Give answer in nanometres, nm
The initial rate of a reaction 2A + 3B -> C + 2D was measured using different initial concentrations of A and B. Calculate the value of k
(kp =1 x 10 liter/mole-sec, kt = 7.0 X 10 liter/mole-sec, f = 0.7 and the half-life time of the initiator at 75 °C is 4 hours and 85 °C is 1.5 hours). d) How long will it take to prepare 1.04 Kg of polystyrene
Solid iron reacts with chlorine gas to produce iron(III) chloride. If 10.0 grams of iron reacts with excess chlorine gas and 18.5 grams of iron(III) chloride is produced, what is the percent yield of the iron(III) chloride?
Under these conditions, how long would it take for a sample to decompose to 25% of it original concentration?
A student constructs a galvanic cell that has a strip oflead metal immersed in a solution of 0.1M Fe(NO3)2 as one half-cell and a strip of zincmetal immersed in a solution of 0.1M Zn(NO3)2 Which half-cell is the cathode
Predict the product(s) if the following reaction: Cs+Br2. The equation is not necessarily balanced. Express your answer as a chemical formula
What volume will the second student calculate for this bottle. Will this bottle hold the 75 cm^3 of water. However, the second student reports that the same bottle is 3.2 cm in diameter and 10.5 cm tall. To calculate the volume of the bottle, use t..
What is the alkali-aggregate reaction? List some of the rock types that are vulnerable to attack by alkaline solutions. Discuss the effect of aggregate size on the phenomenon.
neon has three naturally occurring isotopes 20ne 19.992amu with 90.48 abundance 22 ne21.991amu with 9.25 abundance and
The container is then heated to 339 K. If the final pressure is 1.75 atm, what was the initial pressure?
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