Consider the histogram of mass change from an experiment. The following explanations that best fits the data can be seen in option C and D
- A solid was strongly heated in an open system.
- Alka-Seltzer was dissolved in water in an open system.
The mass change usually enables scientists to monitor and analyze response rates in a chemical reaction.
When a chemical reaction process is accomplished in a closed system (where nothing more may enter or depart), the mass remains constant.
However, if the chemical reaction occurs in an open system (where air may enter and exit), the mass may tend to change.
It is important to note that mass changes take place only when a gas is released into the atmosphere.
From the given diagram,
- two solutions forming a precipitate in an open system will not result in a change in mass because a precipitate is being formed.
- no mass change will occur in a closed system. Hence, sugar dissolved in a closed system exhibit no mass change.
- A solid strongly heated in an open system will eventually melt and a gaseous substance will tend to be released into the atmosphere. Hence, mass change will occur in this reaction.
- Alka-Seltzer also known as aspirin fizzes when dissolved in water in an open system and the formation of gas occurs. A such, mass change will also seem to take place here.
Therefore, we can conclude that the release of gaseous substances in an open system is the factor that contributes to mass change from an experiment.
Learn more about mass change here:
https://brainly.com/question/17256388?referrer=searchResults
