Thermodynamics > Heat and the First Law

DCS# 4B50.10

---

FOUR THERMOS BOTTLES

---

---

APPARATUS

four thermos bottles	101-01-B
four thermometers	214-03-G1
hot plate	101-12-D
beakers of water	101-01-C

---

DESCRIPTION

The four thermoses have different construction: 
1.  unsilvered, no vacuum
2.  silvered, no vacuum
3.  unsilvered, evacuated
4.  silvered, evacuated

Fill all with hot water at the same temperature and monitor the temperatures over time.