Molecular Speeds: (a) At what Celsius temperature is the average kinetic energy of a helium gas atom equal to 6.21 × 10-21 J? The Boltzmann constant is 1.38 × 10-23 J/K .(b) What would be the temperature for radon gas?
Fill in the blank(s) with the appropriate word(s).
(a) 27°C (b) 27°C
You might also like to view...
Which of the following best represents the energy transformations occurring in a solar-heated power plant?
A) chemical ? thermal ? electric B) electric ? thermal ? electric C) thermal ? radiant ? electric D) electric ? thermal ? radiant E) radiant ? thermal ? electric
Planets wobble in their orbits due to
A) the gravitational attraction to other planets. B) uncertainties in the inverse-square law. C) elliptical-orbit quirks. D) all of the above E) none of the above
The position of an object that is oscillating on an ideal spring is given by x = (17.4 cm) cos[(5.46 s-1)t]. Write an expression for the velocity of the particle as a function of time using the sine function
What will be an ideal response?
The hydroturbine shown accepts water at 4 MPa and exits to the atmosphere. If the flow rate is 2 m^3/s, the maximum power output is nearest:
(A) 80 MW
(B) 70 MW
(C) 60 MW
(D) 50 MW