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Clement and Desormes Apparatus Manufacturer,Supplier and Exporter in India

Clement and Desormes Apparatus

Product Code : ILS-H-10933

Indian Lab Suppliers supplies the Clement and Desormes Apparatus (Product ID: 10933) as part of its heat and thermal physics range. The Clement and Desormes apparatus measures the ratio of specific heats of air, γ = Cp/Cv.

Quick Answer

A 10-litre glass reagent bottle has a leak-proof brass cap with a bent tube to the manometer, one stopcock for the pump and one that opens to air. Air is pumped in with the football pump and the excess pressure h1 read once it cools; the air-cock is opened briefly for an adiabatic expansion, closed, and the new excess h2 read after the gas warms back to room temperature. Then γ = h1/(h1 − h2). The manometer comes on a stand with a scale and is supplied without mercury; please confirm the manometer liquid at quotation. Pump gently, as the glass bottle is under pressure.

Key Specifications

ParameterDetail
VesselGlass reagent bottle, 10 litres
CapBrass, leak-proof
FittingsBent tube, 2 stopcocks (pump, air)
PumpFootball pump
ManometerOn stand with scale
MercuryNot supplied

Where This Is Used

Used in college thermodynamics practicals. Related heat work: the Joule's Mechanical Heat Experiment Apparatus (Product ID: 10932). Browse the full Heat range or related Properties of Matter products.

Frequently Asked Questions

What does it measure?
The ratio of specific heats of air.

What is the bottle capacity?
10 litres.

Is mercury supplied?
No.

Related Categories

Heat · Properties of Matter · Physics Lab Equipment

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