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Carbon dioxide: CO2. The number to the right of the symbol for an element indicates how many atoms of that element are present in single molecule. If there is no number then there is one atom present. Then in the case of carbon dioxide there must be one atom of carbon (C) and two atoms of oxygen (O).

Double these to provide the numbers of atoms of the two elements in two molecules: two of carbon, four of oxygen.

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How many number of hydrogen and oxygen atoms in three molecules of carbon dioxide?

there is no hydrogen in carbon dioxide. since carbon dioxide is CO2 there are 3 carbon and 6 oxygen atoms in three molecules.


Is carbon dioxide CO2 a molecule and is oxygen a molecule too?

They are both made out of molecules: Carbon dioxide = CO2-molecules, Oxygen = O2-molecules.


Is carbon dioxide an element or carbon?

Carbon is an element, but not carbon dioxide. Carbon dioxide is a compound of carbon and oxygen.


How many moles of oxygen atoms are present in one half mole of carbon dioxide molecules?

Since each mole of carbon dioxide molecules contains two moles of oxygen atoms, as indicated by the formula CO2 for carbon dioxide, half a mole of carbon dioxide will have one mole of oxygen atoms.


How many atoms of oxygen and carbon does a molecule or carbon dioxide have?

Carbon Dioxide, or CO2, has one Carbon molecule and two Oxygen molecules.


How many molecules of carbon dioxide are there in photosynthesis?

Th synthesize one molecule of hexose sugar by photosynthesis six molecules of carbon dioxide are required to be assimilated. Since oxygen comes out by photolysis of water double the number of molecules of water are required to release six molecules of oxygen.


How many hydrogen and carbon atoms are made in 5 molecules of carbon dioxide?

5 molecules of carbon dioxide will contain 5 carbon atoms (1 per molecule) and no hydrogen atoms as carbon dioxide contains only carbon and oxygen. The 5 molecules will contain a total of 10 oxygen atoms (2 per molecule).


What happen when one molecule of carbon combines with two molecules of oxygen?

carbon dioxide is produced.


How many atoms of oxygen must be present in 10 molecules of carbon dioxide?

There are 20 atoms of oxygen in 10 molecules of carbon dioxide, as each molecule contains 2 oxygen atoms.


What are the names of the atoms that compromise carbon dioxide?

Carbon and oxygen atoms make up carbon dioxide molecules.


When is it appropriate to use prefixes to indicate the number of atoms of an element?

Prefixes are used to denote the number of molecules, not the number of atoms. If you want to make some carbon dioxide out of carbon monoxide, the formula is:2CO + O2 -> 2CO2Or, two molecules of carbon dioxide plus one of oxygen give two molecules of carbon dioxide.


How many carbon atoms react with 14 molecules of oxygen to form 14 molecules of carbon dioxide with the equation C O2CO2?

With the chemical equation given, each molecule of carbon dioxide contains 1 carbon atom. Therefore, 14 molecules of carbon dioxide will require 14 carbon atoms to react with the 14 molecules of oxygen.