1. 16 Points] Indicate whether each of the followi ng statements are true or fal

Question

1. 16 Points] Indicate whether each of the followi ng statements are true or false: e majority of generation reactions are second-order T F H eat transfer by conduction requires a physical medium but heat transfer by convection does not require a physical medium TFIf the earth had no atmosphere, the average temperature would be much higher T F TF TF Most chemical reactions are irreversible For a batch reactor, the accumulation rate is equal to the reaction rate The solubility product may be important for the carbonate acid-base system

Explanation / Answer

1) In the majority of the cases of generation reactions, there are more than one products.Hence the order of the reaction will be more than 1. True

2) Convection and conduction both require a form of physical medium to transfer the heat energy. False

3) If the earth didn't have atmosphere then all the electromagnetic radiations from the space would have easily being absorbed by the planet and resulted in higher average temperature.The atmosphere acts a protective layer from various kinds of radiations.True

4) In chemical reactions, the result occurs due to some form of chemical phase change.Hence its quite difficult to undo that.True

5) For a batch reactor container. The accumulation rate is given by

accumulation rate = input rate - output rate + reaction rate.

False

6) Our body needs a stable carbonate acid-base system to function properly.Now with the change in slight solubility product will vary the concentration levels in the body and can be fatal. True

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