TS EAMCET · Chemistry · Thermodynamics (C)
Given that \(\Delta H_f(\mathrm{H})=218 \mathrm{~kJ} / \mathrm{mol}\), express the \(\mathrm{H}-\mathrm{H}\) bond energy in \(\mathrm{kcal} / \mathrm{mol}\).
- A 52.15
- B 911
- C 104
- D 52153
Answer & Solution
Correct Answer
(C) 104
Step-by-step Solution
Detailed explanation
Given : \(\Delta H_f(\mathrm{H})=218 \mathrm{~kJ} / \mathrm{mol}\) ie, \(\quad \frac{1}{2} \mathrm{H}_2 \longrightarrow \mathrm{H} ; \quad \Delta H=218 \mathrm{~kJ} / \mathrm{mol}\)…
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 pair of transition metal ions, have the same calculated values of magnetic moment?TS EAMCET 2007 Easy
- Match the following.
The correct match isColumn-1
ReactionColumn-2
Main productA I B II C III IV V TS EAMCET 2021 Hard - Boron halides behave as Lewis acids because of their nature.TS EAMCET 2008 Easy
- Which of the following pairs shows diagonal relationship?TS EAMCET 2020 Easy
- The chemical structures of \(\mathrm{XeO}_3\) and \(\mathrm{XeOF}_4\), respectively, areTS EAMCET 2022 Medium
- What is the equilibrium constant \(\left(K_C\right)\) for the given reaction? \(\mathrm{N}_2+\mathrm{O}_2 \rightleftharpoons 2 \mathrm{NO}\) Where the equilibrium concentration of \(\mathrm{N}_2\), \(\mathrm{O}_2\) and NO are found to be \(4 \times 10^{-3}, 3 \times 10^{-3}\) and \(3 \times 10^{-3} \mathrm{M}\) respectively.TS EAMCET 2020 Medium
More PYQs from TS EAMCET
- If \(\quad \overrightarrow{\mathbf{a}}=-\hat{\mathbf{i}}+\hat{\mathbf{j}}+2 \hat{\mathbf{k}}, \quad \overrightarrow{\mathbf{b}}=2 \hat{\mathbf{i}}-\hat{\mathbf{j}}-\hat{\mathbf{k}} \quad\) and \(\overrightarrow{\mathbf{c}}=-2 \hat{\mathbf{i}}+\hat{\mathbf{j}}+3 \hat{\mathbf{k}}\), then the angle between \(2 \overrightarrow{\mathbf{a}}-\overrightarrow{\mathbf{c}}\) and \(\overrightarrow{\mathbf{a}}+\overrightarrow{\mathbf{b}}\) isTS EAMCET 2009 Medium
- For the reaction at \(25^{\circ} \mathrm{C}, \mathrm{X}_2 \mathrm{O}_4(\mathrm{l}) \longrightarrow 2 \mathrm{XO}_2(\mathrm{~g}), \Delta \mathrm{U}\) and \(\Delta \mathrm{S}\) are \(2.1 \mathrm{~K}\). Cal and \(20 \mathrm{Cal} / \mathrm{K}\) respectively. What is \(\Delta \mathrm{G}\) for the reaction at the same temperature? \((\mathrm{R}=2 \mathrm{Cal}\) \(\left.\mathrm{K}^{-1} \mathrm{~mol}^{-1}\right)\)TS EAMCET 2023 Medium
- \(A, B, C, D\) are square matrices such that \(A+B\) is symmetric, \(A-B\) is skew-symmetric and \(D\) is the transpose of \(C\).
If \(A=\left[\begin{array}{ccc}-1 & 2 & 3 \\ 4 & 3 & -2 \\ 3 & -4 & 5\end{array}\right]\) and \(C=\left[\begin{array}{ccc}0 & 1 & -2 \\ 2 & -1 & 0 \\ 0 & 2 & 1\end{array}\right]\), then the matrix \(B+D=\)TS EAMCET 2024 Medium - If \(\mathbf{r}=\mathbf{b}+t \mathbf{a}, \mathbf{r}=\mathbf{d}+s \mathbf{c}\) are the two skew lines, then the shortest distance between them isTS EAMCET 2021 Easy
- The slope of a common tangent to the circles \(x^2+y^2-4 x-8 y+16=0\) and \(x^2+y^2-6 x-16 y+64=0\) isTS EAMCET 2024 Hard
- If \(A\) is a square matrix of order 3 , then \(\left|\operatorname{Adj}\left(\operatorname{Adj} A^2\right)\right|=\)TS EAMCET 2023 Medium