Chemistry, 05.09.2020 01:01 jolancunningham
Wood needs to be given heat energy to reach the temperatures required for combustion to begin. What property of the wood would you need to know to predict how fast the wood would start to burn? Explain
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After cloud droplets form, what must happen to them for precipitation to occur?
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Afamily is one another name for a group on the table of elements.
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The pressure inside a hydrogen-filled container was 2.10 atm at 21 ? c. what would the pressure be if the container was heated to 92 ? c ?
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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
Wood needs to be given heat energy to reach the temperatures required for combustion to begin. What...
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