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Mrac [35]
2 years ago
15

Jack created a table that compares the characteristics of the sun and the moon. Which of the following corrects the mistakes in

Jack's table?
Sun:

Burning ball of rock, gas, and dust

Objects revolve around it

Has a round shape

Moon:

Has a round shape

Formed from chunks of rocks

Revolves around the sun

(A)The sun revolves around other stars, and the moon revolves around the sun.

(B) The sun has a round shape, and the moon is formed from chunks of metal.

(C) The sun revolves around a planet, and the moon revolves around the sun.

(D)The sun is a burning ball of gas, and the moon revolves around a planet.
Chemistry
2 answers:
weeeeeb [17]2 years ago
5 0

Answer:

D) The sun is a burning ball of gas, and the moon revolves around a planet.

Explanation:

Unlike what Jack has written in his table, the sun is comprised of 92% gas and has no definable rocky layer or even dust. The moon revolves specifically around the Earth.

svetlana [45]2 years ago
5 0

Answer:

D) The sun is a burning ball of gas, and the moon revolves around a planet.

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4 0
3 years ago
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How many acetate ions are formed when three formula units of zinc acetate dissociate?
jeyben [28]
A formula unit is the same as the empirical formula of a compound or an ionic molecule. It is the lowest ratio of the atoms in the compound or ion. Zinc acetate ions dissociates into zinc ions and acetate ions. The dissociation reaction is expressed as follows:
Zn(O2CCH3)2 = Zn2+ + 2(O2CCH3)1-

We determine the amount of acetate ions produced as follows:

Moles Zn(O2CCH3)2 = (3 formula units Zn(O2CCH3)2) ( 1 mol / 6.022x10^23 formula units) = 4.98x10^-24 mol Zn(O2CCH3)2
moles (O2CCH3)1- = 4.98x10^-24 mol Zn(O2CCH3)2 ( 2 mol (O2CCH3)1- / 1 mol Zn(O2CCH3)2 ) = 9.96x10^-24 mol (O2CCH3)1-
# of acetate ions = 9.96x10^-24 mol (O2CCH3)1- ( 6.022x10^23 ions / 1 mol (O2CCH3)1-) = 6 acetate ions
3 0
3 years ago
If 10.0g of oxygen reacts with 10.0g of hydrogen, how many grams of water can be
rusak2 [61]

Answer:

the answer is 90g

Explanation:

2g of H2 produce 18g of H2O/10.0g of H2 to produce x the answer is 90g

8 0
3 years ago
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MrRa [10]

Answer:

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Explanation:

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2 years ago
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Answer:

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Explanation:

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2 years ago
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