The amount of heat required to decompose a compound into its elements is __________ the heat of formation of that compound from its elements.
Less than
More than
Same as
Not related to
Also checkout these categories
Pteridophyta MCQ Phylum - Coelentrata MCQ Rotational Motion MCQ Engineering Mechanics MCQ Machine Input MCQ Statement & Argument MCQ Mycoplasma and Bacteria MCQ Windows 2000 Server MCQ Rearrangement Set 14 MCQ Compressors, Gas Turbines & Jet Engines MCQ C++ Programming MCQ Syllogism MCQ
- A gas performs the maximum work, when it expands
- Absorption/evolution of heat during conversion of a substance from one allotropic form to another is…
- The root mean square speed of molecules of a gas is equal to (where, m = mass of the molecule K = Boltzmanns…
- Heat evolved/absorbed during conversion of a substance from one allotropic form to another is termed…
- Pick out the wrong statement.
- The equation, (d loge PA/d loge xA) = (d loge PA/d loge xB) applicable to a binary solution of components.…
- Free energy
- Gibbs-Duhem equation relates composition in liquid phase and the __________ at constant temperature…
- First law of thermodynamics is mathematically stated as
- The change in Gibbs free energy for vaporisation of a pure substance is
- If an ideal solution is formed by mixing two pure liquids in any proportion, then the __________ of…
- As the entropy of the universe is increasing, day by day, the work producing capacity of a heat engine…
- Which of the following identities can be most easily used to verify steam table data for superheated…
- The partial molar enthalpy of a component in an ideal binary gas mixture of composition Z, at a temperature…
- At absolute zero temperature, the __________ of the gas is zero.
- A cyclic engine exchanges heat with two reservoirs maintained at 100 and 300°C respectively. The…
- Choose the condition that must be specified in order to liquify CO2 (triple point for CO2 is - 57°C…
- Pick out the extensive property out of the following.
- All gases except __________ shows a cooling effect during throttling process at atmospheric temperature…
- Joule-Thomson effect i.e., a throttling process is a constant __________ process.
- Which of the following will increase the volume of a real gas by four times?
- An ideal liquid refrigerant should
- Maximum work that could be secured by expanding the gas over a given pressure range is the __________…
- Degree of freedom of the system ice-watervapour will be
- For a reversible process involving only pressure-volume work
- The internal energy of an ideal gas does not change in a reversible __________ process.
- The point at which all the three (solid, liquid and gas) phases co-exist, is known as the __________…
- Which is not a refrigerant?
- For an ideal liquid solution, which of the following is unity?
- Adiabatic compression of a saturated water vapour makes it