Answer:
It is mentioned that the student is mixing chemicals A and B and observes the time taken for the color to change. However, in the experiment, it is noticed that the student has repeated the procedure five times and each time he or she is modifying the concentration of chemical B. Thus, it is clear that the concentration of chemical B is the independent variable in the experiment. An independent variable is illustrated as the variable, which is controlled or modified in the experiment.
Answer:
A. 2 bonds
Explanation:
If you see a charch of ci20 it would easily show the answer.
760.0 mmHg(V)=600.0mmHg(240.0mL)
600(240)/760=189mL
True, because the large covalent molecules would combine with the others
Answer:
a) the ability to extend the theory to make predictions
b) it is explanatory
Explanation:
Could be a Hallmark of a Scientific Theory: a & b
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