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19.) Acrylonitrile is polymerized via which pathway?
a) cationic b) anionic c) coulombic
20.) Which polymerization is most exothermic?
a) cationic styrene b) radical styrene c) anionic styrene d) these are all the same
what is the frequency of a photon having an energy of 8.56 x 10-16 j?c 3.00 x 108 ms h 6.63 x 10-34 j bull sa 3.88 x
The heat of combustion of CH4 is 8904 kJ/mol also the heat capacity of H2O is 75.2 J/mol×K. Determine the volume of methane measured at 298 K and 0.790atm needed to convert 1.33L of water at 298 K to water vapor at 373 K.
The biggest problem I'm running into is how to complete the ICE chart for the columns Change and Revised Equilibrium. I don't know where those numbers come from.
Calculate the voltage difference between two points of corroding iron differing only in their partial pressure of oxygen: 0.20atm of oxygen at one point and 0.0010atm of oxygen at the other
Why is the mass of CO2 released into the atmosphere not the same as the 1 kg of butane burned? Equation given is the combustion of butane.
An unknown sample with a molecular mass of 180.og is analyzed to yeild 40% c, 6.7% H, and 53.3% o. What is the empirical formula and the molecular formula of this compound?
A gas expands and does P-V work on the surroundings equal to 283 J. At the same time, it absorbs 216 J of heat from the surroundings. What is the change in energy of the system
write the equation showing the S-trans to S-cis equilibrium of the two conformations for a. (E)-1,3-pentadiene b. (Z)-1,3-pentadiene
When 6.82x1015 ng of potassium chlorate is heated, how many grams of potassium chloride and oxygen are formed?
The pKa of hydrogen cyanide is 9.21. In a 100mL solution there are 0.30M of hydrogen cyanide and 0.50M sodium cyanide, there is 0.0050 moles of solid sodium cyanide without changing the volume. Find the resulting pH of the solution.
Question about Half life problem, We are performing an experiment using half-life =4.5 x 10^3 days labeled phenylalanine in which the five atomic hydrogens are labeled.To perform the experiment
What mass of NaCl is needed to react with 35.0 mL of the same AgNO3 solution?
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