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kodGreya [7K]
3 years ago
15

22. Most plates have a convergent boundary on one side and a

Chemistry
1 answer:
Alex73 [517]3 years ago
8 0

Answer:

the answer for this question is true

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Silicon has 2 isotopes, Silicon-28 with an abundance of 90% and Silicon-30 with an abundance of 10%. Find the AAM for Silicon.
JulsSmile [24]

Answer:

RAM

RAM = (mass \: of \:  ^{28} Si \:  \times \%abundance) + (mass \: of \:  ^{30} Si \:  \times \%abundance) \\ RAM = (28 \times 90\%) + (30 \times 10\%) \\ RAM = 25.2 + 3 \\ RAM = 28.2

5 0
2 years ago
If you burn 50.6 g of hydrogen and produce 452 g of water, how much oxygen reacted?
Svetllana [295]
Acc. to Law of Conservation of Mass
Mass of reactants=Mass of Products
Let mass of Oxygen be x.
So,
50.6+x=452
x=452-50.6
=401.4 g
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3 years ago
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pishuonlain [190]
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What does the atomic number on the periodic table represent for each atom
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Number of protons

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