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sdas [7]
3 years ago
12

13

Chemistry
1 answer:
GalinKa [24]3 years ago
3 0

Answer:

1 mole of Pbd - 239.3 g

1 mole  of H - 1.008 g

1 mole of Pb(NO3)2 - 331.2 g

So D

Explanation:

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How should the baking of a pizza be categorized
MrMuchimi
<h2>The baking of a Pizza be Categorize as Endothermic Process</h2>

The baking of a pizza should be categorized as an endothermic process because the dough absorbs heat. An endothermic process is a method that absorbs energy from its surroundings which is habitually in the form of energy.

It can be a biochemical process like solving the salt in water or just the melting of ice. Therefore, the dough absorbs heat and it is categorized as an endothermic process.

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In the following equation, ______ is being oxidized and ______ is being reduced.
Mashcka [7]

oxidation \: number \: of \: oxygen =  \\ before \: rxn =  - 2 \\ after \: rxn =  - 2

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You mix a blue and a clear liquid together and they turn a bright green. Has a chemical reaction occurred? Why or why not
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4 years ago
Type the correct answer in the box.
Murljashka [212]

Answer:

<em>a= In scientific notation</em>

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size of bacterial cell = 1.9 ×10⁻⁴ mm

Radius of sun in scientific notation = ?

Size of bacterial cell in expanded notation = ?

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6.96×10⁵ Km

Size of bacterial cell:

1.9 ×10⁻⁴ mm

<em>In  expanded notation</em>

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