Week 6 Pre Recitation Gases Key - Due at the beginning of Week 6 Recitation Session CHEM 1113 Pre-Recitation Activity Week 6 KEY Gases Complete the

Week 6 Pre Recitation Gases Key - Due at the beginning of...

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CHEM 1113 Week 6 Pre-Recitation Key Page 1 of 2 Due at the beginning of Week 6 Recitation Session! CHEM 1113 Pre-Recitation Activity Week 6 KEY Gases Complete the following questions prior to attending week 6 recitation. Be prepared to discuss this material during your recitation session. Part I: Precipitation Reactions Predict the products in these reactions and write a balanced molecular equation for each one. Then, write the balanced total ionic equation and net ionic equation. Identify the spectator ions. Classify the reaction as acid-base and/or precipitation. If no chemical reaction occurs, write NR. a. Ni(NO 3 ) 2 ( aq ) + Na 2 CO 3 ( aq ) NiCO 3 (s) + 2NaNO 3 (aq) Molecular Eqn. Precipitation Reaction Ni 2+ (aq) + 2NO 3 - (aq) + 2Na + (aq) + CO 3 2- NiCO 3 (s) + 2Na + (aq) + 2NO 3 - (aq) Total ionic eqn. Ni 2+ (aq) + CO 3 2- (aq) NiCO 3 (s) Net ionic eqn. b. ZnSO 4 ( aq ) + Cu(NO 3 ) 2 ( aq ) Zn(NO 3 ) 2 (aq) + CuSO 4 (aq) Molecular Eqn. No Reaction Zn 2+ (aq) + SO 4 2- (aq) + Cu 2+ (aq) + 2NO 3 - (aq) Zn 2+ (aq) + SO 4 2- (aq) + Cu 2+ (aq) + 2NO 3 - (aq) Total ionic eqn.
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