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devlian [24]
4 years ago
11

What type of star has an absolute brightness of 1 and a surface temperature around 7,500 ∞C

Chemistry
1 answer:
Ede4ka [16]4 years ago
3 0
I think it is a white dwarf star
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bonufazy [111]

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Explanation:

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6 0
3 years ago
2H2 + O2 --&gt; 2 H2O<br> +<br> How many moles of oxygen is required to produce 13.3 moles of water?
LenKa [72]

Answer:

Explanation:

Let the number of moles of oxygen = x

2H2 + O2 --> 2 H2O

           x             13.3

Since the balance number for oxygen is 1 and the balance number for water is 2, you must set up a proportion. (Those balance numbers represent the number of moles).

1/x = 2 / 13.3                      Cross Multiply

2*x = 13.3                          Divide both sides by 2

2x/2 = 13.3/2

x = 6.65

You need 6.65 moles of oxygen.

8 0
2 years ago
What is the hybridization of the central atom, electron geometry, and molecular geometry of H3CCCH?
DIA [1.3K]

Answer:

Hybridization: sp

Electron geometry: linear

Molecular geometry: linear

Explanation:

H₃CCCH can also be written as its Lewis structure which is shown in the figure attached. The figure shows that the central carbon atom makes a single bond with CH₃ and a triple bond with CH. This means that the hybridization of the carbon is sp and both the electron and molecular geometry are linear with an 180° bond angle.

6 0
4 years ago
Why the recombinant DNA is reintroduced into the bacterium?
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8 0
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Explain why atoms are neutral.
svlad2 [7]

Atoms are generally neutral because they have an equal amount of protons and electrons.

8 0
4 years ago
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