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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Which of the following is an example of a galaxy?
A) The Canopus Galaxy B) The Milky Way Galaxy C) The Proxima Centauri Galaxy D) The Alpha Centauri Galaxy
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
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.
Explain why the early Earth did not form with water, and how it gained it later in its formation
What will be an ideal response?