Chemistry, 01.04.2021 07:00 jackson5637
The table shows the brightness of some stars when viewed from Earth. The brighter a star appears from Earth, the lower its apparent magnitude value is in the table. Star Apparent Magnitude Sun -26.8 Arcturus -0.06 Sirius -1.47 Vega 0.04 Betelgeuse 0.41 Polaris 2.0 Why does the sun appear so much brighter than the other stars listed in the table?
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The melting point of sulfur is 115 °c and its boiling point is 445 °c. what state would sulfur be in at 200 °c?
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What mass of natural gas (ch4) must you burn to emit 276 kj of heat?
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About 3% of the water on earth is freshest. only about 40% of that freshwater is available for human use. why is so much freshwater unavailable for human use?
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