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Mnenie [13.5K]
3 years ago
12

The chemical formula of lead sulfide tells you that it contains​

Chemistry
1 answer:
ra1l [238]3 years ago
7 0

Answer:

sulfur oxygen

Explanation:

because its contain ide

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The boiling point and distillation temperature of a substance are the same. true false
Novosadov [1.4K]
The boiling point and distillation temperature of a substance are the same. The answer would be True
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3 years ago
You are given 2 balls that are made of the same material. They are also the same size and color. One is hollow and one is solid.
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Answer:density

Explanation:

it’s how’s how dens the ball is

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3 years ago
How many atoms are in 8.28 moles of aluminum?
Lilit [14]

Answer:

49.86 × 10²³  atoms of Al

Explanation:

Given data:

Number of moles of Al = 8.28 mol

Number of atoms = ?

Solution:

The given problem will solve by using Avogadro number.

It is the number of atoms , ions and molecules in one gram atom of element, one gram molecules of compound and one gram ions of a substance.

The number 6.022 × 10²³ is called Avogadro number.

For example,

18 g of water = 1 mole = 6.022 × 10²³ molecules of water

1.008 g of hydrogen = 1 mole = 6.022 × 10²³ atoms of hydrogen

For 8.28 moles of Al:

1 mole = 6.022 × 10²³  atoms of Al

8.28 mol×6.022 × 10²³  atoms / 1mol

49.86 × 10²³  atoms of Al

4 0
3 years ago
Carpet and tile flooring are at the same room temperature,
monitta

Answer:

Depends on conduction and the texture

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it feels softer because tile is expose to the coldness in your building and carpet feels warmer because the texture of it

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2 years ago
Sharping a pencil leaves behind pencil shavings. Is sharpening pencil a physical or chemical change
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