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You are a logger out in the woods. You find a log that could be spruce or birch. In order to figure out which is, you put the log in a big bucket and find that it displaces 2.7 gallons of water and it weighs 19.8 lbs. Is it spruce or birch? (Density of spruce 0.9 g/cm^3, birch 0.4 g/cm^3)
the solubility in water is 8.7 g per 100 mL at 20 degrees C and 34.2 g per 100 mL at 100 degrees C. Write the equation for the solubility equilibrium, including heat as a reactant or product. What is the sign of DeltaH of the solution
Classify the following pair of compounds as the same compound, enantiomers, diastereomers, constitutional isomers, or not isomeric. Also, select the correct IUPAC name
Hydrogen atoms are excited by a laser to the n=4 state and then allowed to emit. What is the maximum number of distinct spectral lines (lines of different wavelengths) that can be observed from this system? Calculate the wavelength of each of thes..
Draw one energy diagram showing both reaction pathways & label all transition states, intermediates and products as well as activation energies. you may assume that the overall reactions are both exergonic while the first step in each reaction is ..
how many ml of concentrated sulfuric acid would be required to mae 1 L of 0.2N solution
Assuming the difference in relative boiling points of methyl acetate (bp 57ºC) and 2-butanone (bp 80ºC) is caused by the difference in their dipole moments; predict which compound has the greater dipole moment. Use a vector analysis of bond dipole..
assume ideal gas behavior.nbsp sns 2 haq rarr sn2aq h2gnbspcompute the work done when 55.0 grams of tin mixes in
If 500ml of a solution containing 1.00g of barium nitrate (199.33 g/mol) is combined with 500 ml of a soluiton containing 1.00g of sodium sulfate
what would be the payload if helium were used instead of hydrogen?, d.) would you and a companion on board, the balloon ascends to 30,000 feet where pressure is 0.28 atm. Assume no volume change, what is the temp (in celsius) at 30,000 feet?
Write out and label the oxidation half-reaction and the reduction half-reaction. b) Combine your balanced half-reactions to show the balanced total reaction. c) What is the oxidizing agent? What is the reducing agent?
Consider the acid-catalyzed cleavage of propylene oxide with 1-propanol. Provide abbreviated structural formulas for the protonated epoxide substrate and of 1-propanol
As mentioned in the text, Ni3Al is used in the turbines of aircraft engines because of its strength and low density. Nickel metal has a cubic close-packed structure with a face-centered cubic unit cell
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