chem001-chapter07-notes

chem001-chapter07-notes - CHEM 001 Lecture Notes, Prof....

Info iconThis preview shows pages 1–3. Sign up to view the full content.

View Full Document Right Arrow Icon
CHEM 001 Lecture Notes, Prof. Wei-Min Dai 51 Chapter 7 Acids and Bases: Please Pass the Protons Acid • Causes litmus indicator dye to turn red • Tastes sour – DO NOT TASTE UNKNOWN CHEMICALS • Dissolves active metals to produce H 2 • Reacts with bases to produce water and salt Base • Causes litmus indicator dye to turn blue • Tastes bitter – DO NOT TASTE UNKNOWN CHEMICALS • Feels slippery on skin • Reacts with acids to form water and salt Ionization • When a compound breaks apart in aqueous solution HCl(aq) H + (aq) + Cl (aq) • Common property of both acids and bases • Also occurs with some salts
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
CHEM 001 Lecture Notes, Prof. Wei-Min Dai 52 Arrhenius Theory of Acids • Acid: molecular substance that breaks up in aqueous solution into H + and anions •H + – “hydrogen ions” or “protons” •H + gives acid its properties • Example: HNO 3 (aq) H + (aq) + NO 3 (aq) Svante Arrhenius (1859–1927) Common Acids Lactic acid is used in a variety of food stuffs to act as an acidity regulator Commercially made Unpurified tartaric acid, separated from grape juice, can take on its color. Tartaric acid in wine
Background image of page 2
Image of page 3
This is the end of the preview. Sign up to access the rest of the document.

Page1 / 8

chem001-chapter07-notes - CHEM 001 Lecture Notes, Prof....

This preview shows document pages 1 - 3. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online