In the proton-proton chain
a. no neutrinos are produced.
b. energy is released because a hydrogen nucleus has a greater mass than a helium nucleus.
c. no photons are produced.
d. carbon serves as a catalyst for the nuclear reaction.
e. energy is produced in the form of gamma rays and the velocity of the created nuclei.
E
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A) The Canopus Galaxy B) The Milky Way Galaxy C) The Proxima Centauri Galaxy D) The Alpha Centauri Galaxy
Water in a car radiator sometimes boils explosively when the radiator cap is removed, which is due to sudden
A) rapid evaporation. B) reduced pressure. C) excess condensation. D) excess vaporization.
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What will be an ideal response?
A neutron has a mass of 1.67 × 10^-27 kg. Its de Broglie wavelength is 1.4 × 10^-10 m. What temperature would it correspond to if we had a monatomic gas having the same average kinetic energy (in °C)?
a. 273 b. 25 c. 36 d. 309 e. 51