Chemistry, 03.10.2019 02:20 magemenproduct
Apolymer sample combines five different molecular-weight fractions, each of equal weight. the molecular weights of these fractions increase from 20,000 to 100,000 in increments of 20,000. calculate mn, mw, and mz. based upon these results, explain whether this sample has a broad or narrow molecular-weight distribution compared to typical commercial polymer samples.
Answers: 1
Chemistry, 22.06.2019 09:00
An excess of lithium oxide undergoes a synthesis reaction with water to produce lithium hydroxide li2o+h2o→2lioh if 1.05 g of water reacted, what is the theoretical yield of lithium hydroxide? a) 5.83 x 10–2 g lioh b) 1.17 x 10–1 g lioh c) 2.79 x 100 g lioh d) 1.40 x 100 g lioh
Answers: 1
Chemistry, 22.06.2019 10:10
How do you identify the anode on a power source such as a battery? how do you identify the cathode? how are terms anion and cation?
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Chemistry, 22.06.2019 11:30
Voltaic cells produce a positive overall charge. what does this indicate? a. the reaction is likely to be endothermic. b. the reaction is spontaneous. c. the reaction is not likely to occur. d. the reaction is not spontaneous.
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Apolymer sample combines five different molecular-weight fractions, each of equal weight. the molecu...
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