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Olenka [21]
3 years ago
8

PLEASE HELP ASAP If an aluminum bar has a mass of 34.9 g and a density of 3.8 g/mL, what is the volume?

Chemistry
2 answers:
nasty-shy [4]3 years ago
3 0

Answer:

92 cm^3

Explanation:

ankoles [38]3 years ago
3 0

Answer:

9.184mL

Explanation:

volume=mass/density

volume=34.9/3.8

volume=9.184mL

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What part of the atom determines if it will combine or break apart from other substances?
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<em>Answer:</em>

  • The atom consist of three parts, proton, neutron and electrons. The electrons determine that i will combine or beak from other substances.

<em>Explanation:</em>

The atom consist of three parts which are following

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7 0
2 years ago
In Atomic Absorption Spectrophotometry, narrow atomic lines are desirable. However, line broadening arises from: (a) Jablonski e
LenKa [72]

Answer: b) Doppler Effect

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7 0
3 years ago
What is the limiting reactant when 8.4 moles of lithium react with 4.6 moles of oxygen gas?
serious [3.7K]

Answer: Lithium

Explanation: The balanced chemical equation is:

4Li+O_2\rightarrow 2Li_2O

It can be seen, 4 moles of lithium combines with 1 mole of oxygen gas to produce 2 moles of lithium oxide.

Thus 8.4 moles of lithium combines with=\frac{1}{4}\times {8.4}=2.1molesof oxygen gas to produce 4.2 moles of lithium oxide.

As, Lithium limits the formation of product, it is the limiting reagent and Oxygen gas is present in excess, it is called the excess reagent. (4.6-2.1)=2.5 moles of oxygen gas are present in excess.

5 0
3 years ago
Read 2 more answers
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