Chemistry, 25.07.2019 06:00 alystidham1439
How would you respond to roger? a. roger is incorrect. the melting wax is a physical change but there is no chemical change taking place. b. roger is correct. lighting the match is a chemical change and burning the candles is a physical change. c. roger is correct. the melting wax is a physical change and the burning candle wick is a chemical change. d. roger is incorrect. only a chemical change is taking place as evidenced by the light and heat of the burning candles?
Answers: 1
Chemistry, 22.06.2019 10:50
How many liters of oxygen gas, at standard temperature and pressure, will react with 35.8 grams of iron metal? 4 fe (s) + 3 o₂ (g) → 2 fe₂o₃ (s)
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Gasoline has a density of 0.740 g/ml. if you have 328 grams of gasoline, what is the volume in milliliters?
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How would you respond to roger? a. roger is incorrect. the melting wax is a physical change but the...
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