Doc2 elroy 128.docx - Name elroy bollers Date Student Exploration pH Analysis Vocabulary acid acidic alkaline base indicator neutral pH Prior Knowledge

Doc2 elroy 128.docx - Name elroy bollers Date Student...

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Name: elroy bollers Date: Student Exploration: pH Analysis Vocabulary: acid, acidic, alkaline, base, indicator, neutral, pH Prior Knowledge Questions (Do these BEFORE using the Gizmo .) 1. Acids are substances that produce hydrogen ions (H + ) when dissolved in water. Lemon juice is an example of an acid. A. What does lemon juice taste like? Acids B. What does it feel like if lemon juice gets in your eye? It does burn your eye 2. Bases are substances that produce hydroxide ions (OH - ) when dissolved in water. Hand soap is an example of a base. A. What does soap feel like? Base B. What does soap taste like? Bitter C. What does it feel like if soap gets in your eye? Burns Gizmo Warm-up The strength of an acid or base is measured on the pH scale. The term “pH” is short for “potential of hydrogen.” It is a measure of how many excess H + ions there are in a solution. The pH scale runs from 0 to 14, with 0 representing the highest concentration of hydrogen ions. Acidic substances have a pH below 7, while alkaline substances (bases) have a pH above 7. Pure water has
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  • Fall '17
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