During a chemical change, substances react in characteristic ways to form
new substances with different physical and chemical properties. Examples of
chemical changes include burning of wood, cooking of an egg, rusting of
iron, and souring of mik.
Examples of Chemical Changes
You may have noticed another chemical change. Over time, some pennies
change color from copper to green. This color change happens because of a
chemical change. The copper metal that makes up a penny combines with
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Chemistry, 22.06.2019 00:10
Which of the following best describes the formation of plasma?
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Chemistry, 22.06.2019 10:30
Balance and in which category does it fit in? single or double displacement or synthesis or decomposition? (a) k2 o → k + o2 (b) na + i2 → nai (c) cu(no3 )2 + naoh → cu(oh)2 + nano3 (d) kclo3 → kcl + o2 (e) ca(no3 )2 + hbr → cabr2 + hno3 (f) sn(oh)2 → sno + h2 o (g) p4 + n2 o → p4 o6 + n2 (h) fe + al2 (so4 )3 → feso4 + al (i) alcl3 + na2 co3 → al2 (co3 )3 + nacl (j) c3 h6 + o2 → co2 + h2 o
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Chemistry, 22.06.2019 12:30
What metric units would you use to measure the thickness of a key
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Chemistry, 22.06.2019 21:00
What is the chemical formula for the compound formed between sodium and flour one
Answers: 1
During a chemical change, substances react in characteristic ways to form
new substances with diffe...
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