What is the average translational kinetic energy of an ideal gas at 819K The Boltzmann constant is 1.38 × 10-23 J/K
A) 1.70 x 10-20 J
B) 5.65 x 10-21 J
C) 1.13 x 10-17 J
D) 3.77 x 10-19 J
A
You might also like to view...
Air at 0ºC blows across a 3 cm diamter power cable at 20 m/s. If the outside surface of the cable is 50ºC, estimate (a) the heat transfer per unit length and (b) the Drag force in Newtons per meter length of cable.
What will be an ideal response?
Why is Newton's version of Kepler's third law so useful to astronomers?
A) It allows us to calculate distances to distant objects. B) It can be used to determine the masses of many distant objects. C) It tells us that more-distant planets orbit the Sun more slowly. D) It explains why objects spin faster when they shrink in size.
Oxygen, O, (number 8), sulfur, S, (number 16), and selenium, Se, (number 34) have such similar chemical properties because
A) their outermost shells contain the same number of electrons. B) because they are all located close to one another in the periodic table. C) they all have the same number of occupied shells. D) These elements can't have similar chemical properties because they are in different periods of the periodic table.
Commonly used units for solar energy input are
a. watts b. watts/day c. watts/day/m2 d. Btu e. Btu/ft2/day