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Alla [95]
3 years ago
15

Does limestone contain carbon

Chemistry
2 answers:
marysya [2.9K]3 years ago
4 0
Limestone contains carbon. Limestone is mostly made of calcium carbonate, which contains one carbon atom.
fomenos3 years ago
3 0
No he does not


Hopes it helped
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Describe the process of photosynthesis (including what components get released). ASAP
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How many moles are in 1.93x1023 particles of Na3PO4?
Tresset [83]

Answer:

<h3>The answer is 0.32 moles</h3>

Explanation:

To find the number of moles given the 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

N = 1.93 × 10²³ particles

We have

n =  \frac{1.93 \times  {10}^{23} }{6.02 \times  {10}^{23 } }  \\  = 0.320598006...

We have the final answer as

<h3>0.32 moles</h3>

Hope this helps you

6 0
3 years ago
Read 2 more answers
The first energy shell around a nucleus can hold _______ electrons. The second energy shell can hold ________.
Bond [772]

Hi there,

I hope you and your family are staying safe and healthy!

The correct answer is C

Each shell can contain only a fixed number of electrons. The first energy shell around a nucleus can hold up to 2 electrons. Then the second shell can hold up to 8 eletrcons.

Please leave 5 stars and a like if you find this answer helpful!

Best,

~Gary

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Marrrta [24]

Answer:

B. An equation that shows only those particles involved in the reaction, and that is balanced for both mass and charge

Explanation:

A net ionic equation is a chemical equation that will only show the elements, compounds, and ions that are directly involved in the chemical reaction. It comes from the balanced molecular equation and should be balanced by both mass and charge.

6 0
3 years ago
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