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Chemistry, 22.06.2019 09:40
Apiece of copper has a temperature of 75.6 0c. when the metal is placed in 100.0 grams of water at 19.1 0c, the temperature rises by 5.5 0c. what is the mass of the metal?
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Which of the following is true about the speed of light? it depends on the wavelength.
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An atom has six electrons in its valence shell. how many single covalent bonds would you expect it t...
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