Astudent is making some observations of garlic. which of these is not a qualitative observation? a) garlic is a white edible bulb. b) garlic has strong pungent odor. c) garlic produces inflorescence flowers. d) garlic contains 84% water and 13% organic matter.

Option (D) is the correct answer.

Explanation:

A qualitative observation is defined as the observation which can only be expressed in word and not in numbers.

For example, Garlic has strong pungent odor.  

This basically describes the quality of garlic that we can never express through numbers.

Whereas a quantitative observation is defined as the observation that can be expressed by number only.

For example, Garlic contains 84% water and 13% organic matter.

This shows that amount of water and organic matter present in a garlic. Hence, it is a quantitative observation.

Thus, we can conclude that out of the given options garlic contains 84% water and 13% organic matter, is NOT a qualitative observation.

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.