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Luba_88 [7]
3 years ago
13

Please i need the answer im dying here ;-

Chemistry
2 answers:
ELEN [110]3 years ago
8 0

Answer:

anawer is none of the above

Serggg [28]3 years ago
7 0

Answer:

i think none of the above is the answer

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If you have 5.42 x 1024 aluminum atoms, approximately how many moles is that
sattari [20]

Answer:

<h2>9.00 moles</h2>

Explanation:

To find the number of moles in a substance given it's number of entities we use the formula

n =  \frac{N}{L} \\

where n is the number of moles

N is the number of entities

L is the Avogadro's constant which is

6.02 × 10²³ entities

From the question we have

n =  \frac{5.42 \times  {10}^{24} }{6.02 \times {10}^{23} }  \\  = 9.0033

We have the final answer as

<h3>9.00 moles</h3>

Hope this helps you

4 0
3 years ago
The nucleus of unstable _____ of an element will decay leading to emission of radiation.question 1 options:moleculescationsanion
Marta_Voda [28]

Isotopes of same element has different number of neutrons with different masses and having same number of protons and electrons.

Radioactive isotopes are those isotopes which are radioactive in nature. The unstable nucleus results in the radioactivity process and this process will go on until the stable isotope (element) forms.

Thus, the nucleus of unstable isotopes of an element will decay leading to emission of radiation.

6 0
3 years ago
If you add oil to water and shake the two liquids together what will you form
dalvyx [7]
There will be oil bubbles because oil is more dense than water so therefore they would not mix
4 0
3 years ago
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What causes competition?
zvonat [6]

Explanation:

Competition stems from the fact that resources are limited. There are simply not enough of some resources for all individuals to have equal access and supply. Competition can occur between organisms of the same species, or between members of different species.

4 0
2 years ago
Which of the following is required for a liquid to become a solid one
tino4ka555 [31]

Answer:The process of a solid becoming a liquid is called melting

Explanation:

8 0
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