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(a) In polyvinyl chloride shown in Table, which bonds have the lowest average bond enthalpy?
(b) When subjected to high pressure and heated polyvinyl chloride converts to diamond. During this transformation which bonds are most likely to break first?
(c) Employing the values of average bond enthalpy in Table, estimate the overall enthalpy change for converting PVC to diamond.
Polymers of Commercial Importance
changing the reaction buffer to extremly high ph with addition of sodium carbonate is said to stop the reaction. what 2 things are happening in the test tube upon addition of this caustic chemical be specific
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Determine the final temperature of the mixture. (Use 1g/mL as the density of water)
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A polar bear may burn as much as 1.5 kg of fat resources a day. A polar bear must consume enough seals to compensate for this huge energy expenditure. If you needed to survive on seal blubber as your diet, how many grams would you need to consume ..
what will be the final temperature in degrees celsius if the volume of a gas container at 32.0degc changes from 1550 ml
Problem- Every alpha amino acid has at least two possible sites for acid/base reactivity: the carboxylic acid site (pKa approx 2) and the amino site (pKa 9-10). Which amino acids have a third group that can undergo acid/base chemistry
A mixture of H2(g) and Cl2(g) exerts a total pressure of 2.50 atm. If the mole fraction of H2 is 0.490, what is the partial pressure of H2
a a 100g of bulk water is dispersed as droplets of radius0.5x10-5 mm. if the surface tension of water is7.2x10-2 nm
A sample of 0.05567 mole sodium acetate was dissolved into 150.0 mL of water. If 2.00g of NaOH(s) was added to the solution and allowed to dissolve
A gas mixture of 3.0 L of propane and butane on complete combustion at 25 degree Celsius produced 10 L of CO2. Find the composition of the gas mixture?
There are approximately 2.60x10^13 red blood cells with atotal of 2.90g of iron. On the average, how many iron atoms are present in each red blood cell. (molar mass (Fe)= 55.85g
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