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CBSE Class 11-science Answered

Natural processes are irreversible?
Asked by | 07 Oct, 2012, 08:38: PM
answered-by-expert Expert Answer
Formation of coal is irreversible process. How?
Can we make the the precursors of that process(coal formation) from coal? No. So, it is an irreversible process.
Answered by | 08 Oct, 2012, 09:01: AM

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CBSE 11-science - Chemistry
note on intensive and extensive properties
Asked by rukayabatool395 | 24 Mar, 2024, 07:48: PM
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CBSE 11-science - Chemistry
the total entropy change for system it's sourunding increase if process is
Asked by mankdubey670 | 06 Jun, 2022, 01:27: PM
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CBSE 11-science - Chemistry
define system in thermodynamics  
Asked by rama26516 | 12 Mar, 2022, 01:49: PM
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CBSE 11-science - Chemistry
Que: Differentiate between enthalpy and entropy??
Asked by advssdrall | 11 Jan, 2022, 07:44: PM
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CBSE 11-science - Chemistry
thermodynamics second law
Asked by mossewalasindhu | 20 Nov, 2021, 02:16: PM
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CBSE 11-science - Chemistry
thermodynamics
Asked by chandankumargochhayat6 | 19 May, 2021, 08:48: AM
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CBSE 11-science - Chemistry
state hess's law. how does it follow the first law of thermodynamics.
Asked by paulnaveed202 | 17 Dec, 2020, 12:36: PM
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CBSE 11-science - Chemistry
50 j of heat is supplied to a system calculate the work done if the internal energy of the system increases by 80 j  
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Asked by kjay0981 | 13 Dec, 2020, 03:45: PM
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CBSE 11-science - Chemistry
PMM2 kind is impossible according to
Asked by adityasolanki7773 | 22 Oct, 2020, 03:40: PM
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CBSE 11-science - Chemistry
a steel fiber is in a oxygen filled container which is closed with a frictionless piston. the iron in the steel fiber reacts with oxygen to form Fe2O3 , the heat generated by the reaction is removed during the process to maintain the temperature constant which is 25 degrees centigrade. for the reaction of 2 moles of iron 831.08KJ of heat is removed. calculate the heat , work and internal energy of change of the system
Asked by pranavisrihari | 08 Sep, 2020, 05:24: PM
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