In an isovolumetric process by an ideal gas, the system's heat gain is equivalent to a change in
a. temperature.
b. volume.
c. pressure.
d. internal energy.
d
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Neutron stars must ____
a. rotate very rapidly b. be very luminous c. have weak magnetic fields d. have a mass greater than three solar masses e. have about the same surface temperature as the star that created them
Latent Heats: If you add 1.33 MJ of heat to 500 g of water at 50°C in a sealed container, what is the final temperature of the steam? The latent heat of vaporization of water is 22.6 × 105 J/kg, the specific heat of steam is 2010 J/kg ? K, and the specific heat of water is 4186 J/kg ? K.
A. 100°C B. 112°C C. 123°C D. 147°C E. 195°C
A diffraction grating is to be used to find the wavelength of the light in the emission spectrum of a gas. The grating spacing is not known,
but a light having a known wavelength of 632.8 nm is deflected by 43.2° away from the central maximum in the second order by this grating. Light of the wavelength to be measured is deflected by 48.2° away from the central maximum in the second order. What is the wavelength of this light?
You see a positively charged helium ion in space, and it is at rest with respect to your spacecraft. Since you are studying for the final exam, you decide to experiment. You slowly push the N pole of a bar magnet closer to the helium ion. What happens to the helium ion?
A. It depends on whether it is a positive ion or a negative ion B. It experiences a magnetic force and moves off C. Nothing happens, because the ion is not moving