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stira [4]
3 years ago
15

What are the two parts of the third Step?

Chemistry
2 answers:
spin [16.1K]3 years ago
7 0

Answer:

A

Explanation:

olganol [36]3 years ago
6 0

Answer:

I'm not quite sure what the question is. What is the third step? I think I can help, would you mind commenting what the third step is? :)

Explanation:

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For each pair below, select the sample that contains the largest number of moles. Pair A 2.50 g O2 2.50 g N2
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Answer:

Explanation:

Pair  2.50g of O₂ and 2.50g of  N₂

The atoms sample with the largest number of moles since the masses are the same would be the one with lowest molar mass according the the equation below:

Number of moles = \frac{mass }{molarmass}

Atomic mass of O = 16g and N = 14g

Molar mass of O₂ = 16 x 2 = 32gmol⁻¹

Molar mass of N₂ = 14 x 2 = 28gmol⁻¹

Number of moles of O₂ = \frac{2.5}{32} = 0.078mole

Number of moles of N₂ = \frac{2.5}{28} =  0.089mole

We see that N₂ has the largest number of moles

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3 years ago
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Answer:

it's uses

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The observed brightness of a star depends on which factors?
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Answer:

b..............

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A cart is rolling across the floor at a constant velocity of 2 m/s to the right. The cart is pushed again to the right, and it s
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Answer: the answer is c.The unbalanced push causes the cart to speed up.

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