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Ket [755]
4 years ago
5

All the representative elements (group

Chemistry
1 answer:
kvv77 [185]4 years ago
4 0
Valance electrons
That's what I think it is.
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What is the name of this compound? see attached.
likoan [24]

The answer is B.) benzaldehyde sorry if I’m wrong

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3 years ago
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36. Dimensional Analysis: A useful way to convert units using multiplication & division *Always start with what you are give
ollegr [7]

Answer:

A) 7.9 x 10⁶ inches

B) 1004 g

C) 2.8 x 10³ inches/ min

D) 1.2 x 10⁻⁴ mm

Explanation:

A) Since 39.37 inches = 1 m, you can convert meters to inches by multiplying by the conversion factor (39.37 inches /  1 m).

Notice that if 39.37 inches = 1 m then 39.37 inches / 1 m = 1. That means that when you multiply by a conversion factor, you are only changing units since it is the same as multiplying by 1 :

2.0 x 10⁵ m * (39.37 inches /  1 m) = 7.9 x 10⁶ inches

B) Conversion factors : (2.205 pounds / 1 kg) and (453.59 g / 1 pound), because 2.205 pounds = 1 kg and 1 pound = 453.59 g. Then:

1.004 kg * ( 2.205 pounds / 1 kg) * ( 453.59 g / 1 pound) = 1004 g

C) Conversion factor: (39.37 inches / 1 m) and (60 s / 1 min)

1.2 m/s * (39.37 inches / 1 m) * ( 60 s / 1 min) = 2.8 x 10³ inches/ min

D)Converison factor ( 1 mm / 1 x 10⁶ nm):

120 nm (1 mm /  1 x 10⁶ nm) = 1.2 x 10⁻⁴ mm

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What is the only nonmetal with four valence electrons?.
mamaluj [8]

Answer:

Carbon

Explanation:

I just finished this and that's what I got from my periodic table.

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Corpesdoll <- my username on twvzitter
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Bet you said Twitter right :)
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What describes how much of a substance has been dissolved into another substance and is usually expressed in a ratio or percent?
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<h3>Answer: <u><em>It's A Hope this helps </em></u></h3>

<h3>Explanation: </h3><h3><u><em>Well this answer was a bit tricky well A and B were like the same definition and thinking  A  but C and D were both wrong  </em></u></h3><h3><u><em /></u></h3>
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3 years ago
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