Acids Acids Compounds that form H + in water. Compounds that form H + in water. Formulas usually begin with ‘H’. Formulas usually begin with ‘H’. In order.

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Presentation transcript:

Acids Acids Compounds that form H + in water. Compounds that form H + in water. Formulas usually begin with ‘H’. Formulas usually begin with ‘H’. In order to be an acid instead of a gas, binary acids must be aqueous (dissolved in water) In order to be an acid instead of a gas, binary acids must be aqueous (dissolved in water) Ternary acids are ALL aqueous Ternary acids are ALL aqueous Examples: Examples: HCl (aq) – hydrochloric acid HCl (aq) – hydrochloric acid HNO 3 – nitric acid HNO 3 – nitric acid H 2 SO 4 – sulfuric acid H 2 SO 4 – sulfuric acid

No Oxygen  w/Oxygen An easy way to remember which goes with which… “if you ate something bad your goanna say ic and if its really bad you may get hepa-tite-ous

HBr (aq)HBr (aq) H 2 CO 3H 2 CO 3 H 2 SO 3H 2 SO 3 2 elements, -ide2 elements, -ide 3 elements, -ate3 elements, -ate 3 elements, -ite3 elements, -ite  hydrobromic acid  carbonic acid  sulfurous acid

hydrofluoric acidhydrofluoric acid sulfuric acidsulfuric acid nitrous acidnitrous acid 2 elements2 elements 3 elements, -ic3 elements, -ic 3 elements, -ous3 elements, -ous  HF (aq)  H 2 SO 4  HNO 2  H + F-  H + SO 4 2-  H + NO 2 -

HI (aq) HI (aq) HCl HCl H 2 SO 3 H 2 SO 3 HNO 3 HNO 3 HIO 4 HIO 4

Hydrobromic acid Hydrobromic acid Nitrous acid Nitrous acid Carbonic acid Carbonic acid Phosphoric acid Phosphoric acid Hydrotelluric acid Hydrotelluric acid

If the name has Acid in the name: MUST balance charges Hydroiodic acid 2 elements H +1 and I -1 HI Sulfuric acid More than 2 elements Polyatomic ions: ate to ic, ite to ous H +1 and SO 4 -2 H 2 SO 4

If the name has Prefixes: JUST write what it says Carbon dioxide CO 2 Roman numbers: MUST balance charges Vanadium (IV) sulfide V +4 S -2 VS 2 Iron (III) sulfide Fe +3 S -2 Fe 2 S 3 Metal: MUST balances charges Calcium phosphate Ca +2 PO 4 -3 Ca 3 (PO 4 ) 2

Link on Chemistry Geek.com on Chemistry I page Use [ ] to represent subscripts since you can’t enter subscripts into the computer So H 2 O would be H[2]O And Al 2 (SO 4 ) 3 would be Al[2](SO[4])[3] Borate = BO 3 -3 ; Silicate = SiO 4 -4 ; Manganate = MnO 4 -2 (permanganate is -1)