Already have an account? Get multiple benefits of using own account!
Login in your account..!
Remember me
Don't have an account? Create your account in less than a minutes,
Forgot password? how can I recover my password now!
Enter right registered email to receive password!
When most elastomeric polymers (e.g., a rubber band) are stretched, the molecules become more ordered, as illustrated here: Suppose you stretch a rubber band.
(a) Do you expect the entropy of the system to increase or decrease?
(b) If the rubber band were stretched isothermally, would heat need to be absorbed or emitted to maintain constant temperature?
(c) Try this experiment: Stretch a rubber band and wait a moment. Then place the stretched rubber band on your upper lip, and let it return suddenly to its unstretched state (remember to keep holding on). What do you observe? Are your observations consistent with your answer to part (b)?
Draw the structure of diacetylferrocene. comment on the distribution of the two acetyl groups over the two aromatic rings: are they likely to be on the same ring or on different rings? Clearly explain your rationale.
2HCrO4 ^- Cr2O7 ^2- + H2O Determine concentrations of Dichromate ion and Bichromate ion if we add .1mol/L of bichromate ion and no dichromate ion once reaction reaches equilibrium.
Based on a Kc value of 0.170 and the given data table, what are the equilibrium concentrations of XY, X, and Y, respectively
Using appropriate equations, explain why combustion of fuels containing sulfur leads to acid rain.
Explain what is the pH of the solution when 18.30 mL of 0.137 M trisodium hemimellitalate trisodium benzene 1,2,3, tricarobxylate is mixed with 25.00mL of 0.274 M HNO3 (to two d.p.)
What is the percent yield in a reaction between 53.6 g O2 and 51.6 g Al if 87.3 g of Al2O3 is produced
what is the pressure at the under water site. Pressure increases at 1.0 atm for every 10 m depth; at what depth was the diver working. Assume the temp remains constant.
Write a mechanism for the reaction of an alkyl halide with alcoholic silver nitrate which demonstrates the type of substituition which occurs. Explain how this mechanism accounts for the relative rate of reactivity for 1 degree, 2 degree and 3 deg..
A solution made by dissolving 1.50g of solute in 25.0 mL of H2O at 25 degrees C has a boiling point of 100.45 degrees C. What is the molar mass of the solute if it is a nonvolatile non electrolyte and the solution behaves ideally
Predict the distance between Si atoms in solid silicon. How does this compare to the distance between C atoms in diamond, Which has the same structure as solid silicon
Question- Draw (with structures, cofactors, co-enzymes, enzyme names, etc) the pathway for oxidation of oleate CoA to 9 acetyl CoA molecules (oleate is activated by a thioester-linkage to CoA).
if you want to have a water-salt solution that freezes at -10degc what mass of nacl must you add to 3.0 kg of water?
Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!
whatsapp: +1-415-670-9521
Phone: +1-415-670-9521
Email: [email protected]
All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd