Špeciálne

Kalkulačka tlaku pary

Vapor Pressure Calculator

P₁ (Pa)

T₁ (K)

T₂ (K)

ΔHvap (J/mol)

What is Vapor Pressure Calculator?

▾

Vapor pressure increases exponentially with temperature (Clausius-Clapeyron): ln(P₂/P₁) = -ΔH_vap/R × (1/T₂ - 1/T₁).

DigiCalcs delivers precision-engineered tools for engineers and STEM professionals.

How to Vapor Pressure Calculator

▾

1Input substance, temperature(s), enthalpy of vaporization
2Calculate vapor pressure
3Predict boiling point

Worked Examples

▾

Example 1

Given:Water at 25°C: P = 23.8 mmHg

Výsledok:At 100°C: P = 760 mmHg (boiling point)

Real-World Applications

▾

🏗️

Chemistry laboratory experiments and analysis

🔬

Industrial chemical process design

📊

Academic coursework and research in chemistry

Frequently Asked Questions

▾

What's normal boiling point?

Temperature where vapor pressure equals 1 atm; varies with atmospheric pressure.

Common Mistakes to Avoid

▾

!Using Clausius-Clapeyron beyond valid range
!Not assuming constant ΔH_vap

References

›Vapor Pressure — Wikipedia

📖Difficulty:Intermediate

Accuracy-checked

Reviewed October 2026

Our methodology

Získajte týždenné matematické tipy

Pridajte sa k 12 000+ odberateľom, ktorí každý týždeň dostávajú tipy na kalkulačku.

🔒

100% zadarmo

Nikdy bez registrácie

✓

Presné

Overené vzorce

⚡

Okamžité

Výsledky počas písania

📱

Vhodné pre mobily

Všetky zariadenia