Why does the Gibbs free energy need to be minimized for an equilibrium? dG=dE+pdV−TdS But dE=Tds−pdV so it should be dG=0. Why dG is not always zero?

What is the work for the free expansion of a gas into vacuum?

How to convert ${45}^{\circ <!--\; \circ \; -->}C$ to Fahrenheit?

The temperature of melting ice is______________$°C$=________________$°F$. A$0$ B$32$

What is the effect of an increase in pressure on the boiling point of a liquid?

Warm Water freezes faster than cold water. Why?

What is the SI unit of specific heat capacity?

16 degrees celsius is what in fahrenheit?

If the boiling point of water in Kelvin scale is 373 K. What is the boiling point of water on degree celcilus scale(oC)?

Which of the following is/are an example of the convection of heat?​
A rod is being heated from one side ​
Boiling water ​
Sunlight reaching earth​
Ladle is getting hot in soup​

What is the freezing point of water?

How to solve ${\displaystyle |3x+6|>15}$?

How does heat travel through empty space?

What is the equivalent temperature of 0 degree Celsius in Fahrenheit scale? A)-32 degree Celsius;B)64 degree Celsius; C)32 degree Celsius; D)16 degree Celsius

$1c{m}^3$ of water at its boiling point absorbs 540 calories of heat to become steam with a volume of $1671c{m}^3$. If the atmospheric pressure is $1.013\times {10}^{5}N/m^2$ and the mechanical equivalent of heat = 4.19 J/calorie, the energy spent in this process in overcoming intermolecular forces is
A) 540 calorie
B) 40 calorie
C) 500 calorie
D) Zero

How to convert 53 celsius to fahrenheit?