Answer: -345.2 KJ
Explanation: As we know that ,dG=dH-TdS
T=25+273=298 K
dG= -356 x1000-298(-36)= -356000+10728
=-345272 j
= -345.2 KJ
Answer: about 1,705,536 hrs
24 hrs = 1 day
189 hrs = 1 week
756 = 1 month
9072 = 1 yr
1,705,536 = 188 yrs
Explanation:
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A single fixed pulley is used to lift load by changing the direction of the lifting force. Even though a single fixed pulley has no mechanical gain in that, the effort applied is greater than the load, it is preferred in use since you do not have to pull or push the pulley up and down.
