Max Is Exploring the Properties of Various Compounds

question 31

Essay

Max is exploring the properties of various compounds. Some of his explorations involve the use of a pH indicator that is red at low pH, yellow- green at neutral pH and blue to purple at high pH. He sets up several tubes containing water and the pH indicator and then begins to add some of the compounds he is characterizing in various combinations. His results are shown on the Figure 2.3.
What can Max conclude about his compounds based on these results? Describe the likely events in terms of hydrogen and hydroxyl ions.

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Definitions:

Positive Emotions

Feelings that are constructive, uplifting, and beneficial to well-being, such as happiness, love, contentment, and enthusiasm.

Enthusiasm

Intense and eager enjoyment, interest, or approval.

Laughter

A vocal expression of amusement, joy, or happiness, often involving audible bursts of sound.

Negative Emotions

Feelings that are generally considered undesirable, such as sadness, anger, fear, or jealousy, often resulting from adverse situations.