Question:
The enthalpy change for the reaction \(2\text{C(graphite) + 3\text{H}_2(g) \rightarrow \text{C}_2\text{H}_6(g)\) is called:}
The enthalpy change for the reaction \(2\text{C(graphite) + 3\text{H}_2(g) \rightarrow \text{C}_2\text{H}_6(g)\) is called:}
Show Hint
Enthalpy of formation refers to formation of one mole of compound.
Updated On: Jan 5, 2026
- Enthalpy of combustion
- Enthalpy of formation
- Enthalpy of vaporization
- Enthalpy of sublimation
Hide Solution
Verified By Collegedunia
The Correct Option is B
Solution and Explanation
The reaction forms one mole of ethane directly from its elements in standard states.
Was this answer helpful?
0
0
Top Questions on Thermodynamics
- Given $C_p = a + bT$
$a = 19.5$, $b = 0.042$, $n = 1$ mole
Temperature changes from $27^\circ C$ to $327^\circ C$.
Find $\Delta H$.
- IIT JAM CY - 2026
- Chemistry
- Thermodynamics
- Isothermal compressibility of an ideal gas \[ -\frac{1}{V}\left(\frac{dV}{dP}\right)_T \] is equal to
- IIT JAM CY - 2026
- Chemistry
- Thermodynamics
- Steam at \( 100^\circ \)C is passed into \( 114 \) g of water at \( 30^\circ \)C. The mass of water present in the mixture when the temperature of the water becomes \( 70^\circ \)C is:
- AP EAPCET - 2025
- Physics
- Thermodynamics
- A Carnot engine A working between temperatures 600 K and T (T \(<\) 600 K) and another Carnot engine B working between temperatures T (T \(>\) 400 K) and 400 K are connected in series. If the work done by both the engines is same, then T =
- AP EAPCET - 2025
- Physics
- Thermodynamics
- A Carnot engine A working between temperatures 600 K and T (T \(<\) 600 K) and another Carnot engine B working between temperatures T (T \(>\) 400 K) and 400 K are connected in series. If the work done by both the engines is same, then T =
- AP EAPCET - 2025
- Physics
- Thermodynamics
View More Questions
Questions Asked in VITEEE exam
- Find the value of \( x \) in the equation \( 2x + 3 = 7x - 8 \).
- VITEEE - 2025
- Algebra
- A convex lens has a focal length of 10 cm. What is the magnification produced when the object is placed 30 cm from the lens?
- VITEEE - 2025
- spherical lenses
- A ball is dropped from a height of 20 m. What is its velocity just before hitting the ground? (Take \( g = 9.8 \, \text{m/s}^2 \))
- VITEEE - 2025
- Motion in a straight line
- Solve for \( x \) in the equation \( \frac{2x - 3}{4} = 5 \).
- VITEEE - 2025
- Linear Equations
- Find the value of \( x \) in the equation \( 4(x - 2) = 3(x + 5) \).
- VITEEE - 2025
- Linear Equations
View More Questions