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1. Draw a six-carbon-chain portion from isotactic polypropylene, in which all of the groups point in the same direction, that is, either all behind or all in front of the plane of the computer screen. represents the continuation of the polymer chain. Do not add any bonds to X.
2. Draw a six-carbon-chain portion from syndiotactic polypropylene, in which the groups lie on alternating sides of the plane of the computer screen. represents the continuation of the polymer chain. Do not add any bonds to X.
3. Draw a six-carbon-chain portion from atactic polypropylene, in which the groups are randomly distributed on either side of the plane of the computer screen. represents the continuation of the polymer chain. Do not add any bonds to X.
Claisen reactions use a stoichiometric amount of base and do not polymerize, unlike aldol reactions that use a catalytic amount of base and can polymerize.
Calculate the molarity of Ag in a solution resulting from the mixing of 30 mL of a 0.0250 M AgNO3 solution and 11.51 mL of K2CrO4
The second virial coefficient B and the third virial coefficient C for A are -0.021 L/mol and 0.0012 L^2/mol^2 at 273 K respectively. By what percentage does the compressibility change
Suppose that you wanted to be sure that a metal ion, any metal ion, would dissolve in water. What salt of the metal ion compound would you choose
12.0 moles of gas are in a 3.00L tank at 22.7C. Calculate the difference in pressure between methane and an ideal gas under these conditions. The van der Waals constants for methane are a=2.300L^2*atm/mol^2 and b=0.0430 L/mol.
How many resonance forms are required to represent the bicarbonate ion HOCO21
what is the final temperature of this water/ethanol mixture? (Note: Assume there are no chemical interactions between the water and the ethanol that affect the temperature.)
The percent composition by mass of a compound is 40.0% carbon, 53% oxygen and the rest is hydrogen. find the empirical formula of the compound
How many formula units make up 26.2 g of magnesium chloride (MgCl_2)?
Consider the following Balanced equation: SiO2+3C--->SiC+2CO: Complete the following table, showing the appropriate number of moles of reactant and products
An aqueous solution containing 5.77 g of an optically pure compound was diluted to 500.0 mL with water and placed in a polarimeter tube 20.0 cm long. The measured rotation was -3.95° at 25 °C. Calculate the specific rotation of the compound.
Electrons are ejected from sodium metal by any light that has a wavelength shorter than 544 nm. What is the kinetic energy of an electron
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