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What is the effect of a temperature change from 205 K to 32 degrees Celsius and a pressure change from 2 atm to 101 kPa?
A copper concentration cell has 0.5 M Cu 2+ at one electrode and 1.5 M Cu 2+ at the other electrode. Explain which electrode is the negative electrode in this galvanic cell and why.
Why are the bond angles for CH3CH2CH3 approx. 109 degrees. Why is it Tetrehedral when it has 10 electron domains
You are given 10.00 grams of a mixture of FeO and Fe2O3. Complete reduction of this mixture yields 7.58 grams of pure Fe. Calculate the mass of FeO and Fe2O3 in the original sample.
Please propose reasonable syntheses of the following compounds from benzene: a) meta-chloroacetophenone; b) p-chlorobenzophenone.
Calculate the solubility of Ba(IO3)2 in a solution containing 200 mL of .010M Ba(NO3)2 and 100 mL of .10M NaIO3. Ksp Ba(IO3)2 = 1.57 x 10^-9
To qualify to run in the 2005 Boston Marathon, a distance of 26.2 miles, an 18 year old woman had to have competed another marathon in 3 hours and 40 minutes or less. To qualify, what must a woman's average speed have been
lead is a toxic metal that affects the central nervous system. a pb-contaminated water sample contains 0.0013 pb by
Calculate the rotational partition function of CH4 (a) by direct summation of the energy levels at 298K and 500K, and (b) by the high temperature approximation. Take B= 5.2412 cm^-1
describe an incident fire spill explosion etc you have experienced or research one on the internet professional journal
Treatment of A with zinc amalgam and HCl affords an optically active, dextrorotatory hydrocarbon C. Identify compounds A, B, and C, including stereochemical configurations. Be sure to explicitly draw H and both wedge/dash bonds at any configuratio..
The gas remaining in the bottle slowly warms up to 285 K. What is the final pressure in the bottle for a monatomic gas, for which CV = 3R/2, and for a diatomic gas, for which CV = 5R/2?
Which of the following bond moments would cancel the lone pair moment? S=O S-F N-H another lone pair Consider the molecules F2, OF2, PF3, CF4, and BF3. Which molecules have a dipole moment?
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