The nuclear epoch occurred during the formation of:
A) only protons and neutrons.
B) dark energy.
C) deuterium and helium.
D) all elements up to iron.
E) all known elements.
C
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3.0 moles of an ideal gas with a molar heat capacity at constant volume of 4.9 cal/(mol?K) and a molar heat capacity at constant pressure of 6.9 cal/(mol?K)
starts at 300 K and is heated at constant pressure to 320 K, then cooled at constant volume to its original temperature. How much heat flows into the gas during this two-step process? A) 710 cal B) -720 cal C) 0.00 cal D) 120 cal E) -120 cal
Which of the following is a consequence of the discovery of hot Jupiters for understanding our own Solar System?
A) It shows that our Solar System is very unusual. B) It shows that our Solar System is very typical. C) It shows that we do not fully understand the formation of our Solar System. D) It shows that life in the Universe is rare. E) It shows that Jupiter is unusually cold.
If the source moves, the wavelength of the sound in front of the direction of motion is smaller than the wavelength behind the direction of motion
a. True b. False Indicate whether the statement is true or false
An LC circuit is to have resonant oscillations at 5.0 MHz. Find the value of a capacitor which will work with a 1.0-mH inductor.
A. 2.0 mF B. 1.0 ?F C. 0.020 ?F D. 1.0 pF E. 40 pF