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Anarel [89]
2 years ago
10

What is the temperature increase of 6.4 kg of water when it is heated by a 7.7

Chemistry
1 answer:
lianna [129]2 years ago
3 0
If you measure my hairline you will get about 90°
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What is the density of lead (in g/cm^3 3 ) if a rectangular bar measuring 0.500 cm in height, 1.55 cm in width, and 25.00 cm in
Viktor [21]

Answer:

Density = 11.4 g/cm³

Explanation:

Given data:

Density of lead = ?

Height of lead bar = 0.500 cm

Width of lead bar = 1.55 cm

Length of lead bar = 25.00 cm

Mass of lead bar = 220.9 g

Solution:

Density = mass/ volume

Volume of bar = length × width × height

Volume of bar = 25.00 cm × 1.55 cm × 0.500 cm

Volume of bar = 19.4 cm³

Density of bar:

Density = 220.9 g/ 19.4 cm³

Density = 11.4 g/cm³

3 0
2 years ago
What two quantities must be known to calculate the density of a sample of matter? A) mass and volume B) length and mass C) size
Svetradugi [14.3K]

Answer:

A

Explanation:

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Answer:

92%

Explanation:

I believe. Hope this was helpful.

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2 years ago
Which of the four macromolecules are the largest
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Lipid you can look up the chemical structures and lipids are the longest which make them the largest
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Indicar la cantidad de sustancia en: a) 2.0L de un gas en C.N; b) 22.4 mL de un gas a 755 torr y 26 grados celsius?
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2 years ago
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