ASTRONOMY
Rigil Kent is a main sequence star (G2). Its temperature is measured to be about 5,800 K. If the apparent magnitude is +1.33, then how far is it from the Earth?
Hint: use the Hertzsprung-Russell diagram to find the absolute magnitude of a star with such characteristics.
Answers: 3
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The enthalpy of formation of water is -285.8 kj/mol. what can be inferred from this statement?
Answers: 1
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There is a single path for electrons. the current decreases when additional resistors are added. the current will be the same in each resistor. these statements best describe a(n) circuit.
Answers: 3
ASTRONOMY
Rigil Kent is a main sequence star (G2). Its temperature is measured to be about 5,800 K....
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