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Blababa [14]
3 years ago
14

Please fast!!!!!!!!!!!!!!!!!!!!!!

Chemistry
1 answer:
monitta3 years ago
5 0

Answer:

1 g/mL.

Explanation:

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

Volume = 100 mL

Mass = 100 g

Density =?

Density of a substance is simply defined as the mass of the substance per unit volume of the substance. The density can be expressed mathematically as:

Density (D) = mass (m) / volume (V)

D = m / V

With the above formula, we can obtain the density of the liquid as follow:

Volume (V) = 100 mL

Mass (m) = 100 g

Density (D) =?

D = m / V

D = 100 / 100

D = 1 g/mL

Thus, the density of the liquid is 1 g/mL

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AleksAgata [21]
<h3><u>Answer;</u></h3>

 = 3032.15 kPa

<h3><u>Explanation;</u></h3>

Using the equation;

PV = nRT , where P is the pressure,. V is the volume, n is the number of moles and T is the temperature and R is the gas constant, 0.08206 L. atm. mol−1.

Volume = 7.5 L, T = 274 +273 = 547 K, N = 5 moles

Therefore;

Pressure = nRT/V

               = (5 × 0.08206 × 547)/7.5 L

               = 29.925 atm

But; 1 atm = 101325 pascals

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3 0
3 years ago
A substance that has a uniform composition and is able to be separated by physical means
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The answer is homogeneous mixture. It is a mixture which has uniform composition and properties all throughout. Mixtures can be separated by physical processes. Mixtures are systems that consist of two or more substances which are mixed but not chemically combined.
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How are changes between phases consistent with the law of conservation of matter
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MissTica

Answer:

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Explanation:

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Thank you!

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