Lecture17_upload

Lecture17_upload - Specific heat capacities of some liquids...

Info iconThis preview shows pages 1–7. Sign up to view the full content.

View Full Document Right Arrow Icon
Specific heat capacities of some liquids at room temperature (in J/g.K): Acetic acid 2.18 Acetone 2.15 Ethanol 2.30 Benzene 1.80 Bromine 0.50 Ethyl ether 2.20 Gasoline 2.20 Water 4.18
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
If the same amount of heat is added to 5.00 g samples of each of the metals below, which metal will experience the smallest temperature change? A.  Al B.  Au C.  Cu D.  Fe Metal Specific Heat Capacity (J/g.K) Al 0.897 Au 0.129 Cu 0.385 Fe 0.449
Background image of page 2
Background image of page 3

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
How much iron at 80°C must be added to raise the temperature of a cup of water (200 mL) from 19°C to 20°C? ( C water = 4.184 J/gK ; C iron = 0.449 J / g.K) Question: A. 15.5 g B. 31.1 g C. 52.3 g D. 67.6 g
Background image of page 4
Example Example How much heat must be added to convert 100 g of liquid water at 20.0°C completely to steam at 100°C? H v = 2256 J/g ; C = 4.184 J/(g·K) A. 33.4 kJ B. 22.5 kJ C. 259 kJ D. 8368 J E. 122 kJ
Background image of page 5

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
 A  At which of the following points will the removal of 5 kJ of heat cause some of the sample to condense to a liquid ?
Background image of page 6
Image of page 7
This is the end of the preview. Sign up to access the rest of the document.

Page1 / 14

Lecture17_upload - Specific heat capacities of some liquids...

This preview shows document pages 1 - 7. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online