Question 1
Five moles of an ideal gas expands isothermally at 100°C to five times its initial volume. Find the heat flow into the system.
◦
2.5 × 104 J
◦
1.1 × 104 J
◦
6.7 × 103 J
◦
2.9 × 103 J
◦
7.0 × 102 J
Question 2
For an astronaut working outside a spaceship, the greatest loss of heat would occur by means of
◦
conduction.
◦
convection.
◦
radiation.
◦
conduction and convection.
◦
conduction and radiation.