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# LPH 105 W15 13.1-6

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## Richard Datwyler

on 3 December 2015

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#### Transcript of LPH 105 W15 13.1-6

Expansion and Ideal gas
Thermal expansion
Ideal Gas
PV=nRT
PV=NkT
15 below zero on the Celsius scale is what on the Fahrenheit scale

15 below zero on the Fahrenheit scale is what on the Celsius scale?
5
-26
A concrete highway is built of slabs 12 m long (at 12 degrees C) how wide should the expansion cracks between the slabs be to prevent buckling if it ranges to temperatures up to 50 degrees C? (12 x 10^-6 C^-1)
5.5 mm
Calculate the density of oxygen at 1 atm and 0 C
1.43 kg/m^3
An aluminum sphere is 8.75 cm in diameter. What will be its % change in volume if it is heated from 30 C to 160 C? (B=75 X 10^-6 )
.98 %
It is observed that 55.5 mL of water at 20 C completely fills a container to the brim. When the container and water are heated to 60 C, 0.35 g of water are lost, what is the coefficient of volume expansion for the container. (density of water at 60 C is .98324 g/mL) (B of water is 210 x 10^-6)
49.7 x 10^-6 1/C
A storage tank has 25.0 g of nitrogen gas at an absolute pressure of 3.50 atm. What would the pressure be if it was replaced by an equal mass of carbon dioxide at the same temperature?
2.23 atm
What is the pressure inside a 38.0 L container holding 105.0 kg of argon gas (39.948) at 21.6 C?
1.69 x 10^8 Pa
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