Intro Spectroscopy
Intro Spectroscopy
5th Edition
ISBN: 9781305221796
Author: PAVIA
Publisher: Cengage
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A student extracted starch from a 5.0g sample of banana. The total volume of banana extract she collected was 22.5ml . The weight of the filter paper alone was 0.172g. The wet weight of the filter paper with starch was 1.158g. The dry weight of the filter paper with starch was 0.894g.   How much absorption you would expect to see for cuvette that contains 0.75mg of glucose? A) 0.18 B) Cant answer that question without knowing how much of the banana extract was used C) 0.468 D) 0.367
Justify the statement: Polymer molecular weight is expressed in terms of an average. Calculatethe number average and weight average molecular weights of polymer molecules with different degrees of polymerization such as 300, 550, 750 and 900 that are mixed in a molecular ratio 1: 2: 3: 4 in a sample of high polymer of styrene(C6H5 CH= CH2).
When we expose iron constructions to water and oxygen, they become rusty. This chemical reaction, called corrosion, takes place in multiple steps and has multiple products which are all called rust. The (unbalanced) equation below shows the overall reaction for the synthesis of one type of rust is?   An atom of iron (\ce{Fe})(Fe) is about 1.751.75 times heavier than a molecule of oxygen (\ce{O2}).(OX2​). For each \SI{100}{\gram}100 g of \ce{Fe},Fe, approximately how many grams of \ce{O2}OX2​ participate in the reaction above?
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