Ans: The sign of the slope is negative
The free energy change (ΔG) is related to the equilibrium constant Kp as:
ΔG = -RTlnKp (1)
Also, ΔG = ΔH-TΔS (2)
-RTlnKp = ΔH-TΔS
ln(Kp) = -ΔH/R(1/T) + ΔS/R
Thus, a plot of lnKp Vs 1/T will give a straight line with a negative slope such that:
Slope = -ΔH/R
Intercept = ΔS/R
warm front forms when a moist, warm air mass slides up and over a cold air mass. as the warm air mass rises, it condenses into a broad area of clouds. a warm front brings gentle rain or light snow, followed by warmer, milder weather.
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