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2 H20
Here is an example of a balanced chemical equation = 2 H2+ 102
Balance the following chemical equation:
B
F2
BF3
+
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12 drag each label to the correct category. decide whether each statement describes mass or weight. measured in newtons measured in kilograms does not change when gravity changes === a gravitational force changes when gravity changes the amount of matter in something mass weight

If it takes a planet 2.8 x 10^8 s to orbit a star with a mass of 6.2 x 10^30 kg what is the average distance between the planet and the star

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