100 likes | 357 Views
7.9 Double-Replacement Reactions. Helen Huang, Sheyenne Lising. Vocabulary. Double Replacement Action A double replacement reaction is a chemical reaction where two reactant ionic compounds exchange ions to form two new products compounds with the same ions. Reactant
E N D
7.9Double-Replacement Reactions Helen Huang, Sheyenne Lising
Vocabulary • Double Replacement Action A double replacement reaction is a chemical reaction where two reactant ionic compounds exchange ions to form two new products compounds with the same ions. • Reactant Starting material in a chemical reaction. • Precipitation The action or process of precipitating a substance from a solution.
Write a balanced chemical equation for this double replacement reaction BaCl2(aq) + K2CO3(aq) a. BaCO3(s) + 2KCl(aq) b. BaCO2(s) + 3KCl(aq) c. BaCO(s) + 3KCl(aq) d. 3BaCO(s) + KCl(aq)
Fun Facts • Soap (KOH) was synthesized by Egyptians, Romans, and Chinese. Each ancient civilization used unique procedures to synthesize KOH. The ancient Chinese made soap using a double-replacement reaction. • The reaction must be driven by one of three driving forces: Formation of a solid, formation of a gas or formation of a weakly‑ionizing compound such as water. Click Here
Write a balanced chemical equation for this double replacement reaction AgNO3 + NaCl a. AgCl3 + NaNo b. ClNO3 + AgNa c. AgNa + ClNO3 d. AgCl + NaNO3
Write a unbalanced chemical equation for this double replacement reaction FeS(s)+ HCl(aq) a. FeH + SCl b. ClFe + HS c. H2S(g) + FeCl2(aq) d. Fe+ H