Net Ionic Equations And A Little Review.

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Presentation transcript:

Net Ionic Equations And A Little Review

Solubility (g solute/100g H2O) 100. Grams of water at 60.0 C is Saturated with KNO3. If the solution Is cooled to 10.0C, how much Precipitates? Solubility (g solute/100g H2O) At 60.0 C, how much KNO3 is Soluble in 100.0 g water? At 10.0 C, how much KNO3 is Soluble in 100.0 g water? How much precipitates? 115. – 20. = 95.g Temperature ºC

Gases Solubility (g solute/100g H2O) DO (dissolved oxygen) Explain using the kinetic molecular Theory why gases are less soluble At higher temperatures.

Solubility (g solute/100g H2O) 25.0 g of sugar and 10.0g of water are added together. At what temperature is the solution saturated? Solubility (g solute/100g H2O)

Net Ionic Equations Single Replacement reactions Mg + CuCl2 → Cu + MgCl2 What doesn’t change? Chloride What changes? Mg + Cu+2 → Cu + Mg+2 this is the net ionic equation

Mg + CuCl2 → Cu + MgCl2 In solution: Mg + Cu+2 +2Cl-1 Magnesium metal, Cu+2, Cl-1 After what ions are in solution Cu, Mg+2, Cl-1

Na + HCl produces? What is the reaction? Na + HCl → NaCl + H2 What is the net ionic equation? Na + H+ → Na+ + H2

Double Replacement AgNO3 + NaCl →? Ag+ + Cl- → AgCl

sulfurous acid is mixed with calcium metal to yield? zinc (II) acetate is mixed with gold metal gallium (IV) iodide and bromine liquid react Lead (IV) oxide and nickel are mixed Ammonium bromide and silver (I) nitrate are mixed cesium carbonate and barium chloride yield Magnesium metal and nitrogen are heated Acetic acid and aluminum bicarbonate react Dihydrogen monoxide is electrolyzed into elements Phosphoric acid and calcium hydroxide are mixed Li K Ca Na Mg Al Zn Cr Fe Ni Pb H2 Cu Hg Ag Pt Au F2 Cl2 Br2 I2 H+ + Ca → H2 + Ca*3 Zn+2 + Au → NR I-1 + Br2 → Br-1 + I2 Pb+4 + Ni → Pb + Ni+2 Br-1 + Ag+1 → AgBr CO3-2 + Ba+2 → BaCO3 Mg + N2 → Mg3N2 H+1 + HCO3-1 → H2CO3 or H2O + CO2 H2O → H2 + O2 H+1 + PO4-3 +Ca+2 + OH-1 → H2O + Ca3(PO4)2