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How many miles of calcium oxide will be produced when 1.6 miles of iron (iii) oxide react with calcium phosphate
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Use examples from the article to explain one positive and one negative effect that chemistry has had on society.
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The scheme below is from a series of reactions that are part of a synthesis of vitamin a. answer the following questions with reference to this scheme. (i) what is "reagent a"? (ii) draw a step-by-step mechanism which explains the formation of compound c from compound b (iii) which reagents would you use to form compound e from compounds c and d (reagents b and c)? for each reagent suggested above in (ii) explain the role of the reagent in the reaction to (iv) form compound e. you may wish to do this by drawing a mechanism. 1. addition of reagent a но reagent a 2. н,о" thо oh нон-с compound a. compound b. compound c .ch-оh 1. reagent b "сно 2. reagent c сh oh compound e. compound d.
Answers: 2
A scientist wants a K2SO4 solution that has a freezing point of -10.0oF. How many grams of K2SO4 sho...
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