Heat and work are ''definite quantities''. Heat and work are not properties of a system. Their values depend on the path of the process and vary accordingly.
A
If both the statements are TRUE and STATEMENT-2 is the correct explanation of STATEMENT-1
B
If both the statements are TRUE but STATEMENT-2 is NOT the correct explanation of STATEMENT-1
C
If STATEMENT-1 is TRUE and STATEMENT-2 is FALSE
D
If STATEMENT-1 is FALSE and STATEMENT-2 is TRUE
Text Solution
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The correct Answer is:
D
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In a certain process, 400J of work is done on a system which gives off 200J of heat. What is DeltaU for the process?
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What are the quantities on which the amount of work done depends ? How are the related to work ?
The work done by a system is 8 J, when 40 J heat is supplied to it. The change in internal of the system during the process
In the adjoinign P-V diagram, 100 J of heat is given in taking a system from A to C along the path ADC and 50 J of work is done by system in this path. a. If the work done by the suystem is 15 J along the path ABC, then how much heat is to be given in taking the system from A to C along ABC? b. How much heat will be absorbed or given out if the work done on the system along the curved path from CA to A is 15 J? c. If U_(B)-U_(A)=40J , then how much heat will be absorbed in each process AB and BC?
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