What is the heat needed to heat 16.0 grams of helium gas at constant volume from 20.0 
to 85.0
?
A. 4.23 kJ
B. 3.24 kJ
C. 2.02 kJ
D. 1.95 kJ
E. 0.650 kJ
B. 3.24 kJ
You might also like to view...
The effects of scaling are beneficial to swimmers in a race who are relatively
A) large. B) small. C) neither of these
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
None of the other stars yet studied has more than one planet orbiting it
Indicate whether the statement is true or false
A point charge Q is placed on the x axis at the origin. An identical point charge is placed on the x axis at x = ?1.0 m and another at x = +1.0 m. If Q = 40 ?C, what is the magnitude of the electrostatic force on the charge at x = +1.0 m?
A. 29 N B. 14 N C. 11 N D. 18 N E. 7.0 N