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Anna71 [15]
3 years ago
13

What is the density of a book whose mass is 1,800 g and whose volume is 300 cm3?

Chemistry
2 answers:
IRISSAK [1]3 years ago
7 0
I think 0.54 kilogram
IrinaK [193]3 years ago
6 0
density = mass ÷ <span>volume

1800g </span>÷ <span>300 cm³ = <span>6 g/cm³

So your answer is </span></span><span>6 g/cm³.</span><span><span>

</span>I hope this helped. Have a great day!</span>
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Answer:

K ^+ , CO3 ^2-

Explanation:

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It contains cation (potassium ion) and acid radical ( trioxocarbonate (IV) ion).

Since K is in group 1 of the periodic table, it loses one electron to form ion i.e K^1. trioxocarbonate IV ion has a charge of 2-.and so the ions of the compound are as shown in the answer above.

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A sample of nitrogen gas with a volume of 180 cm at a temperature of
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Answer:

The final pressure of gas is 82.64 KNm⁻²

Explanation:

Given data:

Initial volume of gas = 180 cm³

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Final volume = 220 cm³

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Solution:

The given problem will be solved through the Boly's law,

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Mathematical expression:

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P₁V₁ = P₂V₂

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P₂ = 82.64 KNm⁻²

The final pressure of gas is 82.64 KNm⁻².

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Answer:

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5. The pressure to the paper.

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