Home › CBSE Class 11 (Science) › Chemistry › Thermodynamics › What is ΔU for an isolated system where w = 0 an…
What is ΔU for an isolated system where w = 0 and q = 0?
APositive value
BNegative value
CZero value
DSame as ΔH
Answer & Solution
Correct answer: C. Zero value
With no heat and no work exchanged, nothing changes the energy, so the energy of an isolated system is constant.
Related questions
Stirring a liquid in contact with a reservoir cannot be exactly reversed because that woulIn the Carnot cycle, the heat absorbed during isothermal expansion equals which quantity?In the isothermal compression of a Carnot cycle, heat is?A Carnot cycle is made of which combination of steps?An engine absorbs 600 J per cycle and has an efficiency of 0.25. How much work does it do A Carnot engine works between 500 K and 300 K. What fraction of the absorbed heat becomes A Carnot engine takes heat from a 800 K source and rejects it at 400 K. What is its efficiIrreversibility comes from non-equilibrium states and which other cause?