During which of the following processes is latent heat released?
What will be an ideal response?
Deposition
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Spiral tracers tend to be old, luminous stars
a. True b. False Indicate whether the statement is true or false
Which force grows stronger with increasing distance?
A. the force between quarks in colorless combinations B. the force between charges with net charge zero C. the force between masses D. the force between magnets E. None of these choices are correct.
Tricia puts 5.30 g of dry ice (solid CO2) into a 4.00-L container and seals the top. The dry ice turns to gas at room temperature (20.0°C). Find the pressure increase in the 4.00-L container. (One mole of CO2 has a mass of 5.30 g, R = 0.082 1 L/atm/mol/K. Ignore the initial volume of the dry ice.)
a. 24.0 atm b. 6.01 atm c. 0.318 atm d. 11.2 atm e. 2.17 atm
Exactly 500 grams of ice are melted at a temperature of 32°F. (Lice = 333 J/g.) The change in entropy (in J/K) is
a. 321 b. 146 c. 512 d. 610 e. 5 230