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Acids & Bases. What are they? Acids & Bases An acid is any substance that releases H + ions in water.

Published byEthan Rogers Modified over 9 years ago

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Presentation on theme: "Acids & Bases. What are they? Acids & Bases An acid is any substance that releases H + ions in water."— Presentation transcript:

1 Acids & Bases

2 What are they?

3 Acids & Bases An acid is any substance that releases H + ions in water.

4 Acids & Bases An acid is any substance that releases H + ions in water. The more H + that is released, the stronger the acid.

5 Acids & Bases Common examples include: HCl------------Hydrochloric Acid

6 Acids & Bases Common examples include: HCl------------Hydrochloric Acid H 2 SO 4 --------Sulfuric Acid

7 Acids & Bases Common examples include: HCl------------Hydrochloric Acid H 2 SO 4 --------Sulfuric Acid HNO 3 ---------Nitric Acid

8 Acids & Bases Common examples include: HCl------------Hydrochloric Acid H 2 SO 4 --------Sulfuric Acid HNO 3 ---------Nitric Acid CH 3 COOH----Acetic Acid (Vinegar)

9 Acids & Bases A base is any substance that releases OH - ions in water. The more OH - that is released, the stronger the base.

10 Acids & Bases Common examples include: KOH------------------------Potassium Hydroxide

11 Acids & Bases Common examples include: KOH------------------------Potassium Hydroxide NaOH----------------------Sodium Hydroxide

12 Acids & Bases AcidsBases

13 Acids & Bases AcidsBases

14 Acids & Bases The pH scale is used to measure the strength of an acid or a base.

15 Acids & Bases The pH scale is used to measure the strength of an acid or a base. It is a scale that goes from 0to 14.

16 Acids & Bases The pH scale is used to measure the strength of an acid or a base. It is a scale that goes from 0to 14. 0 is a strong acid and 14 a strong base.

17 Acids & Bases

18 Acid Base indicators help to determine if a liquid is an acid or a base.

19 Acids & Bases Litmus paper : Red to blue is a base

20 Acids & Bases Litmus paper : Red to Blue is a base Blue to Red is an acid

21 Acids & Bases pH indicator paper gives the pH of the solution.

22 Acids & Bases Phenolphthalein : Turns pink at a pH above 7

23 Acids & Bases Neutralization reaction occurs when an acid is mixed with a base. The products are a salt and water. Acid + Base  Salt + Water HCl + NaOH  NaCl + H 2 O

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