A 2.65-kg block of ice is at STP (0°C, 1 atm) while it melts completely to water. What is its change in entropy? (For ice, Lf = 3.34 × 10^5 J/kg)
a. zero
b. 1 620 J/K
c. 811 J/K
d. 3 240 J/K
e. 6 480 J/K
d
You might also like to view...
You run a 5000 watt clothes-dryer for 2 hours. How many kilowatt-hours of energy did you consume?
A) 2500 B) 2.5 C) 10 D) 0.4 E) Cannot be determined from the given information
If the central maximum in a single slit diffraction pattern has intensity I0, the intensity of the secondary maximum that is nearest to it is closest to
A) I0. B) 2I0. C) I0/4. D) I0/2. E) 0.045I0.
2.00 moles of an ideal gas is at a pressure of 1.50 atmospheres and fills a volume of 2.00 liters. What is the average kinetic energy per particle in the gas?
a. 
b. 
c. 
d. 
e. 
When Niels Bohr was knighted for his contributions to physics, he chose for his coat of arms
A) a model of the planetary atom. B) a rendition of an energy-level diagram. C) the yin-yang symbol of Eastern culture. D) none of the above