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Bumek [7]
3 years ago
8

A standard room temperature and pressure, most of the elements on the periodic table are

Chemistry
2 answers:
IgorC [24]3 years ago
6 0
Gasses i’m pretty sure.
VMariaS [17]3 years ago
4 0
It’s gasses I had this question not too long ago
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A liquid sample, with a density of .0915 g/mL has a mass of 17.7 grams.
Arlecino [84]

The relation between density, mass and volume is

Density = \frac{Mass}{Volume}

1) to calculate = volume

given:

Density = 0.0915 g/ mL

mass = 17.7 grams

formula used:

Density = \frac{Mass}{Volume}

Thus

Volume Volume = \frac{Mass}{Density} = \frac{17.7 g}{0.915 \frac{g}{mL} }  = 193.44 mL

Answer: 193.44 mL

2) the mass of sample will be

mass = density X volume = 0.0915\frac{g}{mL} X 76.5 mL = 6.99 = 7 g

Answer: 7 g

5 0
3 years ago
What part of an atom orbits around the center of the atom?
Zanzabum

Answer:

electrons.

Explanation:

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3 years ago
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A 2 L container contains 5 moles of helium gas at 0.5 atm. What is the<br> temperature of the gas?
lara [203]

Answer:

2.44 K IS THE TEMPERATURE OF THE GAS

Explanation:

PV = nRT

P = 0.5 atm

V = 2 L

n = 5 moles

R = 0.082 L atm mol^-1 K^-1

T = ?

Substituting for T in the equation, we obtain:

T = P V / nR

T = 0.5 * 2 / 5 * 0.082

T = 1 / 0.41

T = 2.44 K

The temperature of the gas is 2.44 K

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What is the volume of a gas at 756.14 Torr. If the volume was 588.56 mL at 588.56 torr.
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Explanation:

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