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Write the set of elmentary reactions analogous to (5) to (11) that comporomis the free radical chain polymerizations of vinyl acetate (CH2-CHOC(O)CH3) and methyl methacrylate (CH2-C(CH3) C(O)OCH3) when this process is initiated by azobisisobutyronitrile. If carbon tertrachloride is added to the systems, describe the effects of chain transfer with carbon tetrachloride on the polymer composition and average molecular weight.
the molar mass of air is 29.9g/mole and density of air at these temp. is 1.22 g/L. how much methane do u have to heat the sir from 15 centigarde to 22 centigrade
the 20ml of water added to the erlenmeyer flask is to be previously boiled deionized water. since water does absorb co2
Niobium (Nb) has a BCC cubic crystal structure, and an atomic radius of 0.144 nm. a) Calculate the edge length (d) of a niobium unit cell:
The density of the propane is 0.621 g/ mL Hint: begin by writing a balanced rquation for the combustion reaction.
Nitrogen oxides, NOx, play an essential role in the production of pollutants found in photochemical smog. The NOx in the atmosphere is slowly broken down to N2 and O2 in a first order reaction.
assume that an escape velocity is 50 ms for an asteroid x but we also have asteroid y that has twice the radius and
An athlete wants to acquire red blood cells from a donor with the same blood type. Taking into consideration that blood is composed of three components, plama, red blood cells, and leukocytes. what instrument have used in our lab experiments that ..
100g of orange juice is said to contain about 50mg of ascorbic acid. How much of a 2E-4M DCPIP titrant should be required to titate a 100g sample. What would be a good sample size.
A solution of NaCI and water has a molality of 4.0m. Predict the mass of a sample of this solution which contains 1000 grams of pure water
Why does a piece of potato break down a 100% hydrogen peroxide solution faster than lets say a 75% hydrogen peroxide and 25% water
It is possible to define metallic character as we do in this book and base it on the reactivity of the element and the ease with which it loses electrons.
Carbon and silicon belong to the same group and are known to have similar properties. Do you think that silicon can replace the role that carbon
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