3 years ago

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Chemistry

2 answers:

Dima020 [189]3 years ago

6 0

Answer:

Thank you so much!

Explanation:

Crazy boy [7]3 years ago

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Answer:

you are very welcome Brainly is here for you

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Suppose that a certain fortunate person has a net worth of $77.0 billion ($). If her stock has a good year and gains $3.20 billi

marissa [1.9K]

Answer:

New net worth to three significant figures = $80.2 billion

Dollars are given to charity = $100,250,000

Explanation:

Net worth = $77.0 billion

stock Gains = $3.20 billion

New net worth = $77.0 billion + $3.20 billion = $80.20 billion

New net worth to three significant figures = $80.2 billion

One-eighth of a percent = (1/8 x 1) / 100 = 0.00125

Dollars are given to charity = 0.00125 X $80.2 billion = $100,250,000

$80,200,000,000/100 = $802,000,000

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Which of the following is true about a compound and its elements?

BaLLatris [955]

They can change properties completely
They can be separated
They form a new set of elements and compounds
<span>The elements become part of the original compounds</span>

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What is the percent composition of hydrogen (H) in benzene (C6H6)?

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The density of water at 400C is 0.992 g/mL What is the volume of 27.0 g of water at this temperature?

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Answer:

Volume of water at this temperature is 27.2 mL

Explanation:

We know that $density=\frac{mass}{volume}$

Here density of water is 0.992 g/mL

Here mass of water is 27.0 g

So $volume=\frac{mass}{density}$

= $\frac{27.0g}{0.992g/mL}$

= 27.2 mL

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Explanation:

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