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
Answers: 3
Chemistry, 21.06.2019 23:50, stephaniero6
2points why do scientists need governmental funding? o a. government politicians ask all the important scientific questions. o b. scientists have to pay taxes to the government on the money they make. o c. the cost of doing scientific research can be very high. o d. the government is controlled by scientists. submit
Answers: 3
Chemistry, 22.06.2019 04:00, lucasrandall
Asolution contains 225 g of sodium chloride, nacl, dissolved in enough water to make a 0.25 l of solution. what is the molarity of the solution?
Answers: 2
During a chemical change, substances react in characteristic ways to form
new substances with diffe...
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