Chemistry, 27.06.2021 05:30 Blakemiller2020
State with reasons, whether sulphur dioxide is acting as an oxidizing agent or a reducing agent in each of the following reactions:
•2H2S(g) + SO2(g) -> 2H2O(l) + 3S(s)
•SO2(g) +H2O(l) +NaClO(aq) -> NaCl(aq) + H2SO4(aq)
Answers: 3
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Although respiratory organs vary across different organisms, they all contain respiratory surfaces that have a large surface area and are extremely thin. explain why having an extremely thin respiratory surface with a large surface area is advantageous for the process of gas exchange
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What is the approximate vapor pressure when the gas condenses at 70 degrees celsius
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For a research project, a student decided to test the effect of the lead(ii) ion (pb2+) on the ability of salmon eggs to hatch. this ion was obtainable from the water‐soluble salt, lead(ii) nitrate, which the student decided to make by the following reaction. pbo(s) + 2 hno3(aq) → pb(no3)2(aq) + h2o losses of product for various reasons were expected, and a yield of 86.0% was expected. in order to have 5.00 g of product at this yield, how many grams of pbo should be reacted? (assume that sufficient nitric acid, hno3, would be used.)
Answers: 1
State with reasons, whether sulphur dioxide is acting as an oxidizing agent or a reducing agent in e...
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