How many moles of carbon dioxide are produced from 148 g of acetylene

- 11.4 g of are produced by the combustion of 148 g of acetylene.

Solution:- Acetylene is a hydrocarbon that gives carbon dioxide on combustion in presence of oxygen. The balanced equation for the combustion of acetylene is:

From balanced equation, there is 2:4 mol ratio between acetylene and carbon dioxide.

First of all we convert grams of acetylene to moles on dividing it's grams by molar mass of it. Then in next step, we multiply by mol ratio to get the moles of carbon dioxide.

Molar mass of acetylene is 26 . The set up would be as:

= 11.4 mol

So, 11.4 moles of are produced by the combustion of 148 g of acetylene.

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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.