According to the following reaction, how many moles of calcium carbonate are necessary to form 0.906 moles carbon dioxide?

calcium carbonate (s) calcium oxide (s) + carbon dioxide (g)

0.906 moles of calcium carbonate needed to produced 0.906 moles of carbon dioxide.

Explanation:

Given data:

Moles of carbon dioxide produced = 0.906 mol

Moles of calcium carbonate needed = ?

Solution:

Chemical equation:

CaCO₃  →   CaO + CO₂

Now will compare the moles of carbon dioxide with calcium carbonate:

                  CO₂             :           CaCO₃      

                    1                 :               1

                0.906             :        0.906

So 0.906 moles of calcium carbonate needed to produced 0.906 moles of carbon dioxide.

definition

                    entropy is a measure of the randomness or the extent of disorder of a chemical process.

                      enthalpy is a measure of the heat change of a reaction occurring at a constant pressure.

measurement units:

                        entropy is measured in joule per kelvin (jk⁻¹)   whereas enthalpy is measured in joule per mole (jmol⁻¹)

requirements:

                            entropy has no requirements or limits, and its change is measured by the division between the heat change of the chemical process and the temperature.

                              in contrast, enthalpy can only be related to the heat change of the reaction under standard conditions.

you need to have a picture of the atom that way we can answer it