884 pounds of carbon dioxide are emitted in 400 litres.
What is a pound?
The pound is defined as the basic unit for weight in the Foot Pound Second (F.P.S) system and is equal to 16 ounces.
To convert a litre measurement to a pound measurement, multiply the volume by 2.204623 times the density of the ingredient or material. Thus, the volume in pounds is equal to the litres multiplied by 2.204623 times the density of the ingredient or material.
One litre of water weighs approximately 2.21 pounds.
So 400 liter = 400 liter x 2.21 pounds
= 884 pounds
Hence, 884 pounds of carbon dioxide are emitted in 400 litres.
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So let's convert this amount of mL to grams:
Then we need to convert to moles using the molar weight found on the periodic table for mercury (Hg):
Then we need to convert moles to atoms using Avogadro's number:
![\frac{6.022*10^{23}atoms}{1mole} *[8.135*10^{-2}mol]=4.90*10^{22}atoms](https://tex.z-dn.net/?f=%20%5Cfrac%7B6.022%2A10%5E%7B23%7Datoms%7D%7B1mole%7D%20%2A%5B8.135%2A10%5E%7B-2%7Dmol%5D%3D4.90%2A10%5E%7B22%7Datoms%20)
So now we know that in 1.2 mL of liquid mercury, there are 
present.
The number of moles of 
form from 5.0 moles 
is 5 moles.
<h3>What is a limiting reactant?</h3>
Limiting reactants are those reactants that are completely used up in a chemical reaction.
4.0 mol will be completely used since the combining ratio is 1 : 1 : 1.
->
From the chemical equation above, 5.0 moles will yield 5 moles of .
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