MHT CET · Chemistry · Thermodynamics (C)
Calculate the change in internal energy of the system if work done by the system is 18 joule and absorbs heat 50 joule in a particular reaction.
- A 20 J
- B 32 J
- C 48 J
- D 68 J
Answer & Solution
Correct Answer
(B) 32 J
Step-by-step Solution
Detailed explanation
\(\Delta U = Q - W\) \(\Delta U = 50 \text{ J} - 18 \text{ J}\)
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
- Which of the following phenomena is NOT explained by the open chain structure of glucose?MHT CET 2023 Medium
- What type of glycosidic linkages are developed when excess glucose is to be stored for future use in animals?MHT CET 2024 Hard
- Unit cell of an element has edge length of \(5 Å\) with density \(4 \mathrm{~g} \mathrm{~cm}^{-3}\), if its atomic mass is 149 , identify the crystal structure.MHT CET 2024 Easy
- The point of dissimilarity between lanthanides and actinides isMHT CET 2008 Easy
- What is IUPAC name of hydroquinone?MHT CET 2020 Easy
- Which of the following phosphorus oxyacids can act as a reducing agent?MHT CET 2011 Easy
More PYQs from MHT CET
- The number of all values of \(\theta\) in the interval \(\left(-\frac{\pi}{2}, \frac{\pi}{2}\right)\) satisfying the equation
\((1-\tan \theta)(1+\tan \theta) \sec ^2 \theta+2 \tan ^2 \theta=0\) isMHT CET 2024 Hard - In a \(\triangle \mathrm{PQR}, \mathrm{m} \angle \mathrm{R}=\frac{\pi}{2}\). If \(\tan \left(\frac{\mathrm{P}}{2}\right)\) and \(\tan \left(\frac{\mathrm{Q}}{2}\right)\) are the roots of the equation \(a x^2+b x+c=0(a \neq 0)\), thenMHT CET 2024 Medium
- Calculate the value of dissociation constant of weak acid, which dissociates to \(0.01 \%\) in its 0.1 M solution?MHT CET 2025 Medium
- If \(\tan ^{-1}\left(\frac{1-x}{1+x}\right)=\frac{1}{2} \tan ^{-1} x\), then \(x\) isMHT CET 2023 Easy
- If the angle between the planes and is thenMHT CET 2017 Easy
- An object is clearly seen through an astronomical telescope of length \(50 \mathrm{~cm}\). The
focal lengths of its objective and eyepiece respectively, can beMHT CET 2020 Easy