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mrs_skeptik [129]
3 years ago
14

PLZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZ

Chemistry
2 answers:
malfutka [58]3 years ago
8 0

Answer: I think G.

Explanation:

Thepotemich [5.8K]3 years ago
8 0

Answer:

I believe its student 2 as well. it's most definitely g

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4.81*10^24 atoms of lithium
enyata [817]

Answer:

Mass = 55.52 g

Explanation:

Given data:

Number of atoms of Li = 4.81×10²⁴ atom

Number of grams = ?

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,

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

For Li:

4.81×10²⁴ atom × 1 mol / 6.022 × 10²³ atom

8 moles

Mass in gram:

Mass = number of moles × molar mass

Mass = 8 mol × 6.94 g/mol

Mass = 55.52 g

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3 years ago
What is the equilibrium constant of a reaction
Svetach [21]

Homogeneous Reactions. At equilibrium, the rate of the forward and reverse reaction are equal, which is demonstrated by the arrows. The equilibrium constant, however, gives the ratio of the units (pressure or concentration) of the products to the reactants when the reaction is at equilibrium.

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5. Base your answer to the question on the particle diagrams
Luden [163]

Answer:sample 3

Explanation:because if only have one kind of substance which makes it pure

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Answer:

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Explanation:

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What volume will 2.35 moles of nitrogen gas, at STP, occupy?
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