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PSYCHO15rus [73]
3 years ago
11

Why and how is mass an extensive property ?

Chemistry
2 answers:
Ierofanga [76]3 years ago
8 0
An extensive property is a propertythat changes when the size of the sample changes. Examples are mass, volume, length, and total charge. An intensive property doesn't change when you take away some of the sample
defon3 years ago
4 0
<span>An extensive property is a property that changes when the size of the sample changes. Examples are mass, volume, length, and total charge. An intensive property doesn't change when you take away some of the sample.</span>
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A small hole in the wing of a space shuttle requires a 20.7-cm² patch.
cricket20 [7]

The Patch's area of the space shuttle in km² is 2.07 × 10⁻⁹ km²

Given, that a space shuttle requires a 20.7 cm² patch

We have to convert the patch's area from cm² into km².

Unit conversion is a method in which we multiply or divide with a particular numerical factor and then finally round off to the nearest significant digits.

Patch area of the space shuttle is 20.7 cm²

1 cm = 0.00001 km

or, 1 cm² = (0.00001 km)²

or,  1 cm² = 10⁻¹⁰km²

20.7 cm² = 20.7 ×  10⁻¹⁰km²

20.7 cm² = 2.07 × 10⁻⁹ km²

The patch area in square kilometers is 2.07 × 10⁻⁹ km²

To learn more about unit conversion, visit: brainly.com/question/11543684

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8 0
2 years ago
A cylindrical glass tube 12.7 cm in length is filled with mercury (density =13.6 g/mL). The mass of mercury needed to fill the t
Kay [80]

Answer:

The inner diameter of the tube is 0.4410 cm.

Explanation:

Height upto which mercury is filled = 12.7 cm

Mass of mercury = 105.5 g

Density of mercury = 13.6 g/mL =13.6 g/cm^3

Volume of mercury:

\frac{Mass}{Density}=\frac{105.5 g}{13.6 g/cm^3}=7.7573 cm^3

A mercury in cylindrical glass tube is at height of 12.7 cm.

The radius of the inner diameter of the glass tube = r

Volume of cylinder = \pi r^2h

7.7573 cm^3=3.14\times r^2\times 12.7 cm

r = 0.4410 cm.

7 0
3 years ago
HELP PLEASE WITH 1 QUESTION.
Nata [24]
The activity series goes top to bottom, most active to least active elements, going: Li, K, Ba, Sr, Ca, Na, Mg, Mn, Zn, Fe, Cd, Co, Ni, Sn, Pb, H, Cu, Ag, Hg, Au. 

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8 0
4 years ago
What is Dalton's law of partial pressure?
KatRina [158]

Answer:

C

Explanation:

The law of partial pressure states that if there is a mixture of gases which do not react chemical together, then the total pressure exerted by the mixture is the sum of the partial pressures of the individual gases that make up the mixture

3 0
3 years ago
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Which of the following represents a chemical change. A water to boiled
horsena [70]
Hello,

Here is your answer:

The proper answer to this question is option D "wood is burned". Its a chemical change because its changing forms wood to ash.

Your answer is D.

If you need anymore help feel free to ask me!

Hope this helps!
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