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noname [10]
2 years ago
12

Please Help!!!!!!!!!!!!!

Chemistry
1 answer:
vesna_86 [32]2 years ago
5 0

Answer:

The answer is B, 106

Explanation:

looked it up

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Describe the structure of an atom. Be sure to include the terms nucleus, electron cloud, protons, neutrons, and electrons in you
dsp73

Answer:

The answer would be A because inside of an atom is protons and neutrons. Protons are + neutrons are neutral and electrons are -. The electron cloud is big not small.

Explanation:

Hope this helps, have a great day. God Bless you.

3 0
3 years ago
A reaction has a ΔH value of +120 kJ and a ΔS value of -42 J/K. At which of the following temperatures is the reaction spontaneo
ollegr [7]

Answer:

the reaction is spontaneous at T > 2900 K

Explanation:

  • ΔG = ΔH - TΔS

∴ ΔH = +120 KJ

∴ ΔS = (-42 J/K)*(KJ/1000 J) = -0.042 KJ/K

∴ ΔG < 0 ⇒ the reaction is spontaneous

⇒ at T = 2900 K:

⇒ ΔG = 120 - (2900)(-0.042) = 120 - 121.8 = - 1.8 KJ < 0

6 0
3 years ago
Express the ratio 1:<br><img src="https://tex.z-dn.net/?f=1%20%5Cfrac%7B1%20%7D%7B8%7D%20" id="TexFormula1" title="1 \frac{1 }{8
tester [92]

Explanation:

To out this fraction in its simplest form, you need to multiply the 8 by the 1 and then add the 1 in the numerator.

You end up getting

\frac{9}{8}

Answer:

\frac{9}{8}

3 0
3 years ago
When water breaks apart an ionic compound into cations and anions:
liq [111]
Answer:
Dissociation

Explanation:
The molecule of water is polar. This means that the hydrogen has a partial positive charge while the oxygen has a partial negative charge.
Ionic compounds have equal number of positive and negative charges.
When these compounds are placed in water, the partial positive hydrogen starts to attract the negative ion of the ionic compound while the partial negative oxygen starts to attract the positive ion of the ionic compound.

This process is called dissociation and leads to the breaking of ionic compound into cations and anions in water.

Hope this helps :)
6 0
3 years ago
Definition: This is an alternative form of a gene.
damaskus [11]

Answer:

The correct term for the definition is Allele.

8 0
2 years ago
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