CH4 (g) + 2O2 (g) → CO2 (g) + 2H2O (g)
what kind of reaction is this...
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Write the empirical chemical formula of calcium with a mass percent of 38.8, phosphorus with a mass percent of 20.0, and oxygen with a mass percent of 41.3.
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Compare and contrast physical changes with chemical changes.
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650.j is the same amount of energy as? 2720cal1550cal650.cal2.72cal
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Chemistry, 22.06.2019 19:00
A4.86 g piece of metal was placed in a graduated cylinder containing 15.5 ml of water. the water level rose to 17.3 ml. what is the density of the metal. i need the steps of how to solve it to so i can use a formula to work out other problems.
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