For the process $H_2O_{(l)} (1 \ bar, 373 \ K) \rightarrow H_2O_{(g)} (1 \ bar, 373 \ K)$,the correct set of thermodynamic parameters is:

  • A
    $\Delta G = 0, \Delta S = +ve$
  • B
    $\Delta G = 0, \Delta S = -ve$
  • C
    $\Delta G = +ve, \Delta S = 0$
  • D
    $\Delta G = -ve, \Delta S = +ve$

Explore More

Similar Questions

Match the following terms in Column-$I$ with their corresponding descriptions in Column-$II$:
Column-$I$Column-$II$
$(a)$ Adiabatic process$(1)$ Heat
$(b)$ Isolated system$(2)$ At constant volume
$(c)$ Isothermal change$(3)$ First law of thermodynamics
$(d)$ Path function$(4)$ No exchange of matter and energy
$(e)$ State function$(5)$ No heat exchange
$(f)$ $\Delta U = q$$(6)$ Constant temperature
$(g)$ Law of conservation of energy$(7)$ Internal energy
$(h)$ Reversible process$(8)$ $p_{ext} = 0$
$(i)$ Free expansion$(9)$ At constant pressure
$(j)$ $\Delta H = q$$(10)$ Infinitely slow process involving multiple equilibrium states
$(k)$ Intensive property$(11)$ Entropy
$(l)$ Extensive property$(12)$ Pressure,$(13)$ Specific heat

An ideal gas in a thermally insulated vessel at internal pressure $P_1$,volume $V_1$,and absolute temperature $T_1$ expands irreversibly as shown in the following diagram. The final pressure,volume,and absolute temperature of the gas are $P_2$,$V_2$,and $T_2$ respectively. Which is the correct statement for the expansion?

Difficult
View Solution

An electric heater of power $600 \, W$ takes $8 \, \text{minutes}$ to evaporate $80 \, mL$ of water. The enthalpy of vaporization of water is ......... $kJ \, mol^{-1}$.

Difficult
View Solution

Given the following thermochemical equations:
$(i) S_{(s)} + \frac{3}{2} O_{2(g)} \rightarrow SO_{3(g)} + 2x \, kcal$
$(ii) SO_{2(g)} + \frac{1}{2} O_{2(g)} \rightarrow SO_{3(g)} + y \, kcal$
Find the heat of formation of $SO_{2(g)}$.

For the complete combustion of methanol
$CH_3OH_{(l)} + \frac{3}{2} O_{2(g)} \rightarrow CO_{2(g)} + 2H_2O_{(l)}$
the amount of heat produced as measured by a bomb calorimeter is $726 \ kJ \ mol^{-1}$ at $27^{\circ}C$. The enthalpy of combustion for the reaction is $-x \ kJ \ mol^{-1}$,where $x$ is $.....$ (Nearest integer).
(Given: $R = 8.3 \ J \ K^{-1} \ mol^{-1}$)

Vedclass Products

For Students

Vedclass Test Series

Mock tests in real JEE/NEET style with performance analysis. 5-day free trial.

Start Free Trial
For Teachers

Exam Paper Generator

Generate Set A/B/C/D exam papers from 7.5L+ questions in 2 minutes. 3 chapters free.

Try Free
For Institutes

Online Exam Module

Live online exams with unlimited students, 360° analytics & white-label branding.

See Demo