Chemistry, 12.09.2019 17:30 devin030505
Which of these could be a physical change?
a. wood is burned in a fireplace.
b. cake batter is baked in an oven.
c. a blue liquid and a yellow liquid mix and make a green liquid.
d. baking soda is mixed with vinegar to make carbon dioxide gas.
Answers: 2
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Why does earth rotate? because earth is formed from cold gases collapsing due to gravity because the matter in the nebula that formed earth was spinning because earth forms more than 99% of the mass of the solar system because the hydrogen atoms inside the nebula fused to form helium
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Describe the forces both attractive and repulsive that occur as two atoms move closer together.
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Which of these could be a physical change?
a. wood is burned in a fireplace.
b. cake ba...
a. wood is burned in a fireplace.
b. cake ba...
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