What is the total random Kinetic energy of all the molecules in 1 mole hydrogen at temperature of 3ook? with what speed would a mole of hydrogen have to move so that the Kinetic energy of the mass as whole would be equal to the random Kinetic energy of its molecules?

When you push downward on a book at rest on a table, you feel an upward force. does this force depend on friction? defend your answer.

What are the similarities & differences between a thermistor and a light dependent resistor in physics?

To find the mass defect for uranium-238 several calculations must be made. which is the calculation that should be made first? assume atomic number for uranium-238 is 92. a. 92(1.0073) x 92(1.0087) = b. 92(1.0073) x 146(1.0087) = c. 146(1.0073) x 238(1.0087) = d. 238(1.0073) x 238(1.0087) =