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tatyana61 [14]
3 years ago
5

25 ml of liquid and has a mass of 19 grams. Calculate the density.

Chemistry
1 answer:
Bingel [31]3 years ago
8 0
The density formula is mass divided by the volume. The mass in this case is 19 grams and the volume 25 ml.
The density is 0,76 g/ml.
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3 years ago
A sample of gas initially has a volume of 2.25 L at 350 K and a pressure of 1.75 atm. What will be sample pressure if the volume
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8.44 atm

Explanation:

From the question given above, the following data were obtained:

Initial volume (V₁) = 2.25 L

Initial temperature (T₁) = 350 K

Initial pressure (P₁) = 1.75 atm

Final volume (V₂) = 1 L

Final temperature (T₂) = 750 K

Final pressure (P₂) =?

The final pressure of the gas can be obtained as illustrated below:

P₁V₁/T₁ = P₂V₂/T₂

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3.9375 / 350 = P₂ / 750

Cross multiply

350 × P₂ = 3.9375 × 750

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Divide both side by 350

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