1. which paracetamol would take the longest time to dissolve? explain why state how these changes the rate of a chemical reaction 2 a) decreasing the temperature of the reaction b) decreasing the particle size of reactants c) decreasing the concentration of reactants
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Chemistry, 22.06.2019 00:10
According to the diagram; a) identify the anode of the cell and write the half-reaction that occurs there b) write the overall equation for the reaction that occurs as the cell operates c) calculate the value of the standard cell potential ,e cell. d)write the shorthand notation of the cell above e)indicate the flow of the electrons on the diagram
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Chemistry, 22.06.2019 00:30
You have 125g of a certain seasoning and are told that it contains 76.0 g of salt what is the percentage of salt by mass in this seasoning
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Chemistry, 22.06.2019 04:30
How many grams of co(g) are there in 74.5 ml of the gas at 0.933 atm and 30o c?
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Chemistry, 22.06.2019 07:30
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
1. which paracetamol would take the longest time to dissolve? explain why state how these changes...
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