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Scientific problem is the student most likely investigating is Does the nature of inter molecular forces present in different substance affect their boiling points?
What are the comparisons made by the boiling point of substances having different inter-molecular forces?
The option that best describes the states of the substance represented by state z is that it is a solid because strong attractive forces prevent particles from moving.
The option that could result from a substance that undergoes a physical change is that it undergoes phase change.
The option that shows examples of things that converts chemical energy to mechanical energy is Airplane and human body.
If a student is comparing the boiling points of different substances having different inter-molecular forces, then his or her aim is to establish a relationship between the nature of inter-molecular forces present (independent variable) and the observed boiling point of the substance (dependent variable).
The scientific problem is the student most likely investigating is if the boiling point affected by the strength of particle attraction?
The option that best describes the states of the substance represented by state z is that it is a solid because strong attractive forces prevent particles from moving.
The option that could result from a substance that undergoes a physical change is that it undergoes phase change.
The option that shows examples of things that converts chemical energy to mechanical energy is Airplane and human body.
The type of change that occurs when a substance melt is known as physical change. Melting is known to be an example of a physical change where the substance is altered or changed phases from solid phase to liquid phase.
An independent variable is known to be the variable that is not affected by changes in the dependent variable.
When looking at the influence of temperature on chemical changes, Temperature is the independent/controlled variable. This is because it does not dependent upon chemical rate. The dependent variables is known to be the chemical change.
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