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Molodets [167]
3 years ago
9

Definition: This is a measure of the quantity of matter.

Chemistry
2 answers:
Vlada [557]3 years ago
7 0

Answer:

Mass

:)

Explanation:

Slav-nsk [51]3 years ago
3 0

Answer:

Mass

Explanation:

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How many mold are in 4.25x10^-2 atoms of lead
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I’m sorry I have no clue
7 0
3 years ago
A gas occupies 900.0 mL at a temperature of 27.0 ˚C. Assuming constant pressure, what is its volume if it is heated to 132.0 ˚C?
Stella [2.4K]

Answer:

new volume is 1215mL

Explanation:

using Charles law , the volume of a fixed mass of gas is directly proportional to its temperature provide that pressure is kept constant.

\frac{V1}{T1}=\frac{V2}{T2}

V1=900mL ,

convert the temperatures from Celsius to kelvin temperature.

T1 =27°C =27+273 =300K

T2 =132°C = 132+273=405K

V2=\frac{V1T2}{T1}

V2=\frac{900*405}{300}

V2= 1215mL

8 0
3 years ago
A sample of gas occupies a volume of 350.0 mL at 840mm Hg and 33°C. Determine the volume of this sample at 600 mm By and 52°C​
insens350 [35]

Answer:

V₂ = 520.42 mL

Explanation:

Given data:

Initial volume = 350.0 mL

Initial pressure = 840 mmHg

Initial temperature = 33°C (33 +273 = 306 K)

Final temperature = 52°C (52+273 = 325 K)

Final volume = ?

Final pressure = 600 mmHg

Formula:  

P₁V₁/T₁ = P₂V₂/T₂  

P₁ = Initial pressure

V₁ = Initial volume

T₁ = Initial temperature

P₂ = Final pressure

V₂ = Final volume

T₂ = Final temperature

Solution:

V₂ = P₁V₁ T₂/ T₁ P₂  

V₂ = 840 mmHg × 350.0 mL × 325 K / 306 K × 600 mmHg

V₂ = 95550000 mmHg.mL.K /183600 K.mmHg

V₂ = 520.42 mL

7 0
2 years ago
Which of the following atom will not form cation or anion
Dvinal [7]
A. (Atomic number 16
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2 years ago
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