MHT CET · Chemistry · Thermodynamics (C)
Hess's law is based on
- A law of conservation of mass
- B law of conservation of energy
- C first law of thermodynamics
- D None of the above
Answer & Solution
Correct Answer
(B) law of conservation of energy
Step-by-step Solution
Detailed explanation
Hess's law is based upon law of conservation of energy ie, first law of thermodynamics.
See the Complete Solution
Get step-by-step explanations for this and 2.5 Lakh+ more JEE, NEET & CET questions.
- Unlock all solutions
- Practice the full chapter
- Track accuracy across PYQs
4.8 rated on Google Play · 14,000+ reviews
More questions from Chemistry
- Calculate the cell constant of conductivity cell containing \(0.01 \mathrm{M} \mathrm{AgNO}_3\) solution having resistance \(1440 \Omega\) and conductivity \(0.001262 \Omega^{-1} \mathrm{~cm}^{-1}\).MHT CET 2025 Easy
- The volume of oxygen required for complete combustion of 0.25 mole of methane at S.T.P. isMHT CET 2020 Easy
- Butylated hydroxyl anisole isMHT CET 2016 Easy
- Which of the following compounds exhibits maximum oxidation state of carbon?MHT CET 2025 Medium
- Identify acidic amino acid from following (represented by using three letter symbols)MHT CET 2024 Medium
- What is the approximate ratio of roasted ore, coke and lime stone respectively in the charge to
be added into blast furnace for extraction of iron?MHT CET 2020 Medium
More PYQs from MHT CET
- The strength of magnetic field at a perpendicular distance ' \(x\) ' near a long straight conductor carrying current ' \(I\) ' is ' \(B\) '. The magnetic. field at a distance \(\frac{\mathrm{X}}{3}\) from straight conductor will beMHT CET 2024 Medium
- A straight wire of diameter \(0.4 \mathrm{~mm}\) carrying a current of \(2 \mathrm{~A}\) is replaced by another wire of \(0.8 \mathrm{~mm}\) diameter carrying the same current. The magnetic field at distance (R) from both the wires is ' \(\mathrm{B}_1\) ' and ' \(\mathrm{B}_2\) ' respectively. The relation between \(\mathrm{B}_1\) and \(\mathrm{B}_2\) isMHT CET 2021 Easy
- According to genetic-code, some amino acids are encoded by more than one codon, this characteristic of genetic code is _________ .MHT CET 2023 Hard
- Let \(\bar{a}\) and \(\bar{b}\) be two vectors such that. \(|\bar{a}|=1,|\bar{b}|=4, \bar{a} \cdot \bar{b}=2\). If \(\overline{\mathrm{c}}=(2 \bar{a} \times \bar{b})-3 \bar{b}\), then the angle between \(\overline{\mathrm{b}}\) and \(\overline{\mathrm{c}}\) isMHT CET 2025 Medium
- What is the bond order of \(\mathrm{O}_2\) molecule?MHT CET 2022 Easy
- Which one of the following is NOT a significance of polyembryony?
i.Polyembryony increases the chance of survival of the new plants.
ii. Nucellar polyembryony is greatly useful in horticulture.
iii. Seedless fruits are formed.
iv. Genetically identical plants are produced due to cleavage polyembryonyMHT CET 2024 Medium