Computer simulations of the early universe clearly show the process of ________ of smaller galaxies into larger ones
Fill in the blank(s) with correct word
hierarchical merging
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On an average diet, the consumption of 10.6 liters of oxygen releases how much energy? (4.50 kcal are released per liter of oxygen consumed.)
a. 45 kJ b. 199 kJ c. 44.3 kJ d. 4 430 kJ e. 399 kJ
What law of thermodynamics specifies a direction of time?
a. The zeroth law. b. The first law. c. The second law. d. The third law. e. The zeroth law together with the first law.
An ideal gas with ? = 1.30 occupies 7.0 L at 300 K and 200 kPa pressure. It is compressed adiabatically to 1/7 of its original volume, then cooled at constant volume to 300 K, and finally allowed to expand isothermally to 7.0 L
How much work does the gas do during this process? The ideal gas constant is R = 8.314 J/mol ? K = 0.0821 L ? atm/mol ? K. A) -980 J B) 6400 J C) -270,000 J D) -6400 J E) 980 J
If the date is April 21, what zodiac constellation will you see setting in the west shortly after sunset?
A) Scorpius B) Pisces C) Taurus D) Virgo