Physics, 15.03.2022 09:30 pgjohnston001
I really need this done please help me. What is the specific heat of a 400 g sample at 63°C if it is inserted into a calorimeter containing 750 mL of water (C = 4,186 J /kg°C) at 23°C, and eventually brought to an equilibrium of 47°C? Show all work and units for full credit.
Answers: 3
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Awelder using a tank of volume 7.50×10^-2 m^3 fills it with oxygen (with a molar mass of 32.0 g/mol ) at a gauge pressure of 3.30×10^5 pa and temperature of 37.1 ∘c. the tank has a small leak, and in time some of the oxygen leaks out. on a day when the temperature is 23.1 ∘c, the gauge pressure of the oxygen in the tank is 2.00×10^5 pa . a) find the initial mass of oxygen. b) find the mass of oxygen that has leaked out.
Answers: 3
I really need this done please help me. What is the specific heat of a 400 g sample at 63°C if it is...
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