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2 years ago

What is the difference between weight and mass?

Chemistry

2 answers:

Rashid [163]2 years ago

4 0

Answer: it's easy just think about it:

Explanation:

weight: the weight of an object is the force acting on the object due to gravity.

mass: Mass is the amount of matter or substance that makes up an object.

in total: The mass of an object is a measure of the object's inertial property, or the amount of matter it contains. The weight of an object is a measure of the force exerted on the object by gravity, or the force needed to support it.

Happy to help!

Feel free to ask any questions!

Harrizon [31]2 years ago

4 0

answer: mass is the amount of matter in a material(m)

and weight is a measure of how the force of gravity acts upon that mass(m*g)

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Fantom [35]

Answer:

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3 years ago

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kherson [118]

Answer:

Explanation:

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2 years ago

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Gas has a volume of 247.3 ML and is at 100 Celsius and 745 Hg. If the mass of the gas is 0.347 g what is the molar mass of the v

Ahat [919]

Answer:

The molar mass of the vapor is 43.83 g/mol

Explanation:

Given volume of gas = V = 247.3 mL = 0.2473 L

Temperature = T = 100 $^{\circ}C$ = 373 K

Pressure of the gas = P = 745 mmHg (1 atm = 760 mmHg)

$P = \displaystyle \frac{745}{760} \textrm{ atm} = 0.9802 \textrm{ atm}$

Mass of vapor = 0.347 g

Assuming molar mass of gas to be M g/mol

The ideal gas equation is shown below

$\textrm{PV} =\textrm{nRT} \\\textrm{PV} = \displaystyle \frac{m}{M}\textrm{ RT } \\0.98026 \textrm{ atm}\times 0.2473 \textrm{ L} = \displaystyle \frac{3.47 \textrm{ g}}{M}\times 0.0821 \textrm{ L.atm.mol}^{-1}.K^{-1}\times 373\textrm{K} \\M = 43.834 \textrm{ g/mol}$

The molar mass of the vapor comes out to be 43.834 g/mol

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3 years ago

When a book sits on a shelf, what force (If Any) does the shelf exert on the book?

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I'm pretty sure its the weight of the book

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3 years ago

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Fantom [35]

The answer: A

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3 years ago