Table of Contents

## How do you pronounce Clausius?

- Phonetic spelling of Clausius. clau-sius.
- Meanings for Clausius. A popular surname that is originated in Germany.
- Examples of in a sentence.
- Translations of Clausius.

**What is R in Clausius-Clapeyron?**

where ΔHvap is the Enthalpy (heat) of Vaporization and R is the gas constant (8.3145 J mol-1 K-1).

**What is the Clausius statement of the second law of thermodynamics?**

The Clausius Statement was expressed as “Heat can never pass from a colder to a warmer body without some other change, connected therewith, occurring at the same time”, and the Kelvin–Planck Statement as “It is impossible to construct a device that operates in a cycle and produces no other effect than the production of …

### What is P2 in Clausius-Clapeyron equation?

the new pressure

P2 is the new pressure once vacuum is applied, R is a constant, and Hvap is the amount of heat energy needed to evaporate a given amount of the liquid.

**Is the Clapeyron equation exact?**

The Clausius-Clapeyron equation is not exact, since approximations are used in its derivation. Its use is confined to processes involving vapor phase equilibrium, but nevertheless the equation is very useful.

**Which of the following devices complies with the Clausius statement of the second law of thermodynamics?**

Clausius statement is related to refrigerator and heat pump whereas gas turbines works on Brayton Cycle.

#### What is the difference between Kelvin Planck and Clausius statement?

The Kelvin-Planck statement is the statement of the second law of thermodynamics for heat engines, while the Clausius statement is the statement of the refrigerators and heat pumps.

**What are P1 and P2 in the Clausius-Clapeyron?**

In the equation, P1 is the vapor pressure at some known temperature and pressure — such as atmospheric pressure — and T1 is the corresponding temperature. P2 is the new pressure once vacuum is applied, R is a constant, and Hvap is the amount of heat energy needed to evaporate a given amount of the liquid.