Boiling point
Explanation:
The likely dependent variable the student used in this experiment is boiling point temperature
The amount of heat supplied will determine when a substance will boil or not based on the intermolecular force in them.
- In an experiment, the dependent variable is treated as the effect produced.
- It is the variable that relies on the outcome of the experiment.
- The independent variable is responsible for the changes in the experiment.
- The cause is the independent variable. It does not rely on the outcome of the experiment.
- The dependent variable is the boiling point.
- The independent variable is the amount of heat supplied or temperature changes.
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Answer:
When the solution (with phenolphthalein) changes to colorless
Explanation:
When titrating with HCl is common to add phenolphthalein as an acid-base indicator.
Phenolphthalein is pink or fucsia when added into a basic solution. On the other hand when it is in acid solutions, is colorless.
So, when titrating, the NaOH solution will be initialy pink due to the phenolphthalein and when reaching the equivalence point, that color will fade out into colorless. This is how you know you hace reached the equivalent point.
The end result is somewhat less likely to give you heavy metal poisoning in the case of apple pie.
Answer: Specific heat
Explanation:
Due to the bonds between alle particles (how hard it is to make particus more / amant of kin, enrgy increase). Specific heat capacity = the amount of heat needed to raise the temperature of 1 g of a substance by 1 degree.
