2 years ago

Answer please i need it

Chemistry

1 answer:

bixtya [17]2 years ago

8 0

I believe it’s c since it’s 2.5 cups of flour for each butter

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A sample originally contains 24 grams of a radioactive isotope. After 18 days, 18.8 grams of the isotope remain in the sample. W

LenKa [72]

Around 36 or 37 days, because of the decimal

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2 years ago

You want to know how many moles of gas your lungs can hold. You start off with a balloon that has 1.4 moles of gas and occupies

Mrrafil [7]

Number of moles : n₂ = 1.775 moles

<h3>Further explanation</h3>

Given

Moles = n₁ = 1.4

Volume = V₁=22.4 L

V₂=28.4 L

Required

Moles-n₂

Solution

Avogadro's hypothesis, at the same temperature and pressure, the ratio of gas volume will be equal to the ratio of gas moles

The ratio of gas volume will be equal to the ratio of gas moles

$\tt \dfrac{V_1}{V_2}=\dfrac{n_1}{n_2}$

Input the values :

n₂ = (V₂ x n₁)/V₁

n₂ = (28.4 x 1.4)/22.4

n₂ = 1.775 moles

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2 years ago

Ray Of Light [21]

theAnswer:A

Explanation:

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uranmaximum [27]

Answer:

Gas - Fuel

Ethanol - Fuel

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10 points Which of these is the best example of heat transfer by radiation? *

insens350 [35]

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Explanation:

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