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The barrier to rotation about the C-C bond in bromoethane is 15kJ/mol (3.6kcal/mol).
(a) What energy value can you assign to an H-Br eclipsing interaction?
(b) Construct a quantitative diagram of potential energy versus bond rotation for bromoethane.
Energy in the amount of 421 J is added to a 69g sample of water at a temperature of 23.0 C. What will be the final temperature of the water?
A quantity of ice at 0.0 degrees C was added to 33.6 of water at 21.0 degree C to give water at 0.0 degrees C. How much ice was added?
What is the molecular mass of a gas that diffuses through a porous membrane 1.26 times faster than Kr
a 1.00 L solution contains 4*10^-4 M Cu(NO3)2 and 1.6*10^-3 M ethyleneddiamine. the Kf for Cu(en)2^2+ is 1*10^20, what is the concentration of Cu+2 in the solution
Write and equation that represents the reaction of 2% ethanolic PBP solution with 4-methylcyclohexene and name the product
If a sample of Al2(SO4)3 is found to contain 863 mol of Al3+ ions how many moles of Al2(SO4)3 formula units are present?
Assume that 29.0 mL of a 0.10 M solution of a weak base B that accepts one proton is titrated with a 0.10 M solution of the monoprotic strong acid HX.
calculate the heat change at 100 degrees Celsius and indicate whether heat was absorbed or released: a) joules to condense 10.0 g of steam; b) kilojoules to condense 76.0 g of steam; c) joules to vaporize 44.0 g of water; d) kilojoules to vaporize..
Question- A titration of 200mL of 1.00 M H2A was done with 1.16 M NaOH. For the diprotic acid H2A, Ka1= 2.50x10^-5, Ka2= 3.10x10^-9. Calculate the pH after 600mL of 1.16 M NaOH have been added.
a sample of nitrogren gas is collected in a 100 mL container at a pressure of 688 mm Hg and a temperature of 565 degrees C. how many grams of nitrogen gas are present in gas sample?
Excessive quantities of wash water are added to the CaC2O4. H2O precipitate. Will the mass of the CaC2O4. H2O be reported too high, too low, or remain unaffected? Explain
considering the given equation 4 ko2 2 h2o 4 co2 gt 4 khco3 3 o2 find out how many moles of water h2o are required
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