Explain how Mass is Conserved in the creation of this molecule

No molecule can be "created." It can be transformed from other molecules and atoms into that molecule, but it is not just "created."

When molecules and atoms undergo a chemical change, they can change into other molecules. When these molecules and atoms get rearranged, there is no element that gets left out or any number of atoms or molecules that get added in to the end product that were not in the products. This is how mass is conserved, there is no particles leaving or coming in.

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decision-making capabilities.

accountability.

delegation and empowerment.

creativity and innovation.

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answer : one can design an experiment using a liquid and an additive that can be added to the liquid and observe the chemical changes in the reaction species.

one would need a beaker which is filled with a known amount of the liquid in which thermometer is placed to measure the temperature changes; after addition of the additive to the liquid solution one can note down the temperature change and find whether the reaction is endothermic or exothermic in nature. by subtracting the initial temperature value with the final temperature one can find the temperature changes.

various combinations of liquid and additive can be used. liquid in this case can be a known quantity of water and additives can be epsom salt or without epsom salt the experiment can be conducted to notice the changes. water and ice, hydrogen peroxide and dry yeast, vinegar and baking soda,etc.