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3 years ago

In a chemical reaction*

Chemistry

1 answer:

Bess [88]3 years ago

4 0

Answer:

1st one is correct

The atom of the reactants unbound , rearrange, and then rebond to form the product

hope it helps

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What are the various ways in which an atom of an element can achieve the noble gas configuration ?

azamat

Answer:

<h3>Atoms attain noble gas configuration by obtaining or donating and sharing of electrons present in their outermost shell. </h3>

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3 years ago

The crust and uppermost mantle make up the rigid outer layer of Earth, which is called the _____.

Andru [333]

Here is your answer:

The crust and uppermost mantle make up the rigid outer layer of Earth, which is called the "lithosphere." The crust and the mantle makes up the lithosphere. The lithosphere is rigid outer part of the earth which contains the upper mantle and the crust.

Hope this helps!

~Nonportrit

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3 years ago

Read 2 more answers

Which prefix is the smallest?

Ann [662]

Answer:could it be kilo

Explanation:it looks like it has the least letters

4 0

3 years ago

If a cell were compared to a school, which part of the school would represent the cell's nucleus?

bazaltina [42]

Answer:

C-The principal because he or she controls all the activity in the school

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3 years ago

How many grams of carbon (C) would be present in carbon monoxide (CO) that contains 2.666 grams of oxygen (O)? For example if th

oee [108]

Given :

Mass of oxygen containing carbon monoxide (CO) is 2.666 gram .

To Find :

How many grams of carbon (C) would be present in carbon monoxide (CO) that contains 2.666 grams of oxygen (O) .

Solution :

By law of constant composition , a given chemical compound always contains its component elements in fixed ratio (by mass) and does not depend on its source and method of preparation.

So , volume of solution does not matter .

Moles of oxygen , $n=\dfrac{2.666}{16}=0.167\ mole$ .

Now , molecule of CO contains 1 mole of C .

So , moles of C is also 0.167 mole .

Mass of carbon , $m=12\times 0.167=2\ g$ .

Therefore , mass of carbon is 2 grams .

Hence , this is the required solution .

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3 years ago