'How acidic' presentation slideshows

Chemistry of Life

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Do now:

Do now:. What happens when you combine baking soda and vinegar?. A Chemical Reaction!!!. Answer.

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LESSON TWO

LESSON TWO. Properties of Water and pH. NEXT. Part 1: Properties of Water. Review the following information about the properties of water to complete your flowchart. NOTE: Some of the slides will take you to internet resources filled with additional information

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Acids and Alkalis

Acids and Alkalis. Learning Objectives To know that solutions can be sorted by whether they are: acid, alkali or neutral. To understand that an alkali reacts with an acid to cancel it out. To know that indicators show you how acidic or alkaline a solution is. Acids and alkalis.

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Monitoring Water Quality

Monitoring Water Quality. Water Test. 1. Salinity- Measures amount of dissolved salt in water Needs to stay fairly constant. 2. Dissolved Oxygen (DO) - measures the amount of oxygen in water Too little DO is bad (fish will die) Cold water holds more DO than warm water. pH.

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ACIDS AND BASES

ACIDS AND BASES. Properties of ACIDS. associated with a sour taste water soluble react with metals to produce hydrogen gas good conductors of electricity associated with H + strong acids can be dangerous. Properties of BASES. associated with a bitter taste opposite of acids

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King

pH. King. 7-5.6 Distinguish between acids and bases and use indicators (including litmus paper, pH paper, and phenolphthalein) to determine their relative pH.

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pH Scale

pH Scale. Ion product constant for water K w. H 2 O ? H + + OH - K w = [H + ] [OH - ] = 1.0 X 10 -14 mol/L Since [H + ] = [OH - ] for water Then each equals 1.0 X 10 -7 M Water is neutral (neither acid or base).

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pH and pOH

pH and pOH. Ways to measure Acidity/ Basicity What is pH? What is pOH ?. What is pH?. pH = potential Hydrogen The pH scale measures how acidic or basic a substance is, is logarithmic The pH scale ranges from 0 to 14. A pH of 7 is neutral.

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Ch. 2-2

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