Chemistry, 24.06.2019 17:00 MysteryDove12
What is the difference between a physical change and a chemical change? (2 points) a physical change is only a phase change but a chemical change can be any type of change. a physical change does not change the identity of the substance but the chemical change does. a physical change breaks and forms bonds but a chemical change does not change the bonds. a physical change only changes the color but a chemical change never changes the color.
Answers: 1
Chemistry, 21.06.2019 20:00
2h2s + 3o2 2so2 + 2h2o which option gives the correct mole ratios? h2s: so2 = 2: 2 and o2: h2o = 3: 2 h2s: so2 = 2: 3 and o2: h2o = 3: 2 h2s: so2 = 4: 4 and o2: h2o = 5: 4 h2s: so2 = 4: 6 and o2: h2o = 4: 4
Answers: 1
Chemistry, 21.06.2019 22:00
Which of the following statements is true about planck’s law
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Chemistry, 22.06.2019 05:30
Which other elements contain the same number of outer electrons as sodium
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Chemistry, 22.06.2019 18:00
Which three statements represent the benefits of performing experiments using computer simulations?
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What is the difference between a physical change and a chemical change? (2 points) a physical chang...
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