Question

The net heat evolved or absorbed in a chemical process, i.e. total change in the enthalpy of the system is independent of the

a.

temperature & pressure.

b.

number of intermediate chemical reactions involved.

c.

state of aggregation & the state of combination at the beginning & the end of the reaction.

d.

none of these.

Answer: (b).number of intermediate chemical reactions involved.

Interact with the Community - Share Your Thoughts

Uncertain About the Answer? Seek Clarification Here.

Understand the Explanation? Include it Here.

Q. The net heat evolved or absorbed in a chemical process, i.e. total change in the enthalpy of the system is independent of the

Similar Questions

Explore Relevant Multiple Choice Questions (MCQs)

Q. N.T.P. corresponds to

Q. During a phase change process like sublimation, vaporisation, melting etc., the specific __________ does not change.

Q. The boiling points for pure water and pure toluene are 100°C and 110.6°C respectively. Toluene and water are completely immiscible in each other. A well agitated equimolar mixture of toluene and water are prepared. If, at a total pressure of one standard atm. exerted by the vapours of water and toluene, the mole fraction of water Xw in the vapour phase satisfies

Q. Colligative properties of a dilute solution are those, which depend entirely upon the

Q. Viscosity of atmospheric air may be about __________ centipoise.

Q. The osmotic pressure of a solution increases, if its __________ is decreased.

Q. Pure aniline is evaporating through a stagnant air film of 1 mm thickness at 300 K and a total pressure of 100 KPa. The vapor pressure of aniline at 300 K is 0.1 KPa. The total molar concentration under these conditions is 40.1 mole/m³ . The diffusivity of aniline in air is 0.74x10⁻⁵ m²/s.The numerical value of mass transfer co-efficient is 7.4 x 10⁻³. The rate of evaporation of aniline is 2.97 x 10⁻⁴. Its units are

Q. In osmosis through a semi-permeable membrane, diffusion of the

Q. Heat of reaction is not influenced by

Q. Pick out the wrong conversion formula for the conversion of weight units :

Q. The elevation in boiling point of a solution is proportional to the __________ of the solution.

Q. Pick out the wrong statement.

Q. 1 Pascal (unit of pressure) is equal to __________ N/m².

Q. In a binary liquid solution of components A and B, if component A exhibits positive deviation from Raoult's law, then component B

Q. Avogadro number is the number of molecules in one __________ of a gas.

Q. Number of gram equivalent of solute dissolved in one litre of solution is called its

Q. The number of atoms of oxygen present in 11.2 litres of ozone (O₃) at N.T.P. are

Q. Simultaneous doubling of the absolute temperature of a gas and reduction of its pressure to half, will result in __________ in the volume of the gas.

Q. pH value of an alkaline solution is

Q. 1 kg of calcium carbide (CaC₂) produces about 0.41 kg of acetylene gas on treatment with water. How many hours of service can be derived from 1 kg of calcium carbide in an acetylene lamp burning 35 litres of gas at NTP per hour ?

Recommended Subjects

Are you eager to expand your knowledge beyond Basic Chemical Engineering? We've handpicked a range of related categories that you might find intriguing.

Click on the categories below to discover a wealth of MCQs and enrich your understanding of various subjects. Happy exploring!