Which one of the following quantities is equivalent to 1 W?
A) 1 ? ? m B) 1 V ? A C) 1 V/A D) 1 V/? E) 1 A ? s
B
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How much heat is required to raise the temperature of 2.00 moles of an ideal monatomic gas by 10°C at constant volume? (R = 8.31 J/mol ? K)
A) 249 J B) 416 J C) 208 J D) 200 J E) 125 J
Does the cold streaming gas heat up or cool down when it enters the central cloud?
This frame from Figure 16.12 is from a supercomputer model of the formation of one of the first stars in the universe. Color indicates gas temperature: Blue and green represent cool gas (100—300 K), orange and red represent warm gas (500—3000 K), and yellow represents gas at intermediate temperatures (300—500 K). Use the information in the figure to answer the following questions.
From what you know about astronomical units and light-years, how would you define a light-minute?
What will be an ideal response?
Using the correct answer from Part B, calculate the volume of a rectangular prism with a length of 5.6 cm, a width of 2.1 cm, and a height of 6.6 cm.