Question 1 Objective Knowledge Check Decide whether a chemical reaction happens in either of the following situations. If a reaction does happen, write the chemical equation for it. Be sure your chemical equation is balanced and has physical state symbols. chemical situation chemical equation reaction? A strip of solid zinc metal is put into a beaker of 0.066M Pb(NO3)2 solution. O yes O no A strip of solid lead metal is put into a beaker of 0.078M Zn(NO,)2 solution. O yes O no

Question 22 Which reaction below is an example of a decomposition reaction? O 2 KI + Pb(NO3)2→ 2 KNO3 + Pbl2 O 4 NO2 + O2 → 2 N2O5 O CH2 + CO + H20 → C3H4O2 O Hg(CNO)2 → 2 CO + N2 + Hg Mac 20 888 esc F1 F2 F3 F4 F5 ! @ # % 1 3 4 Q W E tab A S D caps lock N

Lab Data Think about the reaction Displacement Reactions Involving Metals Reaction Mg(s) + H₂SO4(ag) Al(s) + HCl(aq) Mg(s) + Ni(NO₂)2(aq) Observations (Before mixing) powder, clear liquid small piece of metal and clear liquid metal and blue liquid Observations (After mixing) clear and bubbling, heated heated, aluminum in bottom nothing happened Solubility Table | Activity Series Dariny Classify Reaction (Select all that apply) No reaction occurred Double displacement Endothermic Exothermic Gas producing Neutralization Precipitation Redox Single displacement No reaction occurred Double displacement Endothermic Exothermic Gas producing Neutralization Precipitation Redox Single displacement No reaction occurred Double displacement Endothermic Exothermic Gas producing Neutralization Precipitation Redox Single displacement -X

Question 34 of 42 If 32.0 g of NaOH is added to 0.550 L of 1.00 M Ni(NO,),, how many grams of Ni(OH), will be formed in the following precipitation reaction? 2 NaOH(aq) + Ni(NO,),(aq) → Ni(OH), (s) + 2 NaNO, (aq) 1 4 7 8. +/- x 100 MacBook 21

Question 4 of 39 Submit Write the balanced NET ionic equation for the reaction when aqueous CS3PO4 and aqueous AgNO3 are mixed in solution to form solid Ag;PO4 and aqueous CSNO3. 3c,- Reset > 2. 1 3 4 5 6. 7 8 ) (s) (1) (g) (aq) P Cs Ag N • x H2O

Question 8

Question 5 of 6 Submit Complete the balanced molecular chemical equation for the reaction below. If no reaction occurs, write NR after the reaction arrow. Ba (NO3)2(aq) + K2SO,(aq) → 3C,2- Reset 1 2 3 4 5 6. 7 8 9 + (s) (1) (g) (aq) S NR Ba K • x H2O Tap here or pull up for additional resources

QUESTION 5 Write a full balanced equation for the chemical reaction that occurs when solid magnesium chloride is mixed with an aqueous solution of sodium hydroxide. Give the state of each reactant and product (s, I, g, aq). TTTArial 3 (12pt) 三▼ >> Path: p Words:0 QUESTION 6 Click Save and Submit to save and submit. Click Save All Answers to save all answers. Save All Answers

Predicting precipitation Complete the table below by deciding whether a precipitate forms when aqueous solutions A and B are mixed. If a precipitate will form, enter its empirical formula in the last column. solution A sodium hydroxide manganese(II) chloride potassium sulfide solution B zinc nitrate cadmium nitrate copper(II) sulfate Does a precipitate form when A and B are mixed? yes yes yes no no no empirical formula of precipitate П 0 X Ś

Question 9 of 9 Submit Write the balanced molecular chemical equation for the reaction in aqueous solution for barium nitrate and lithium sulfate. If no reaction occurs, simply write only NR. 3C,2- Reset 1 2 3 4 5 6. 7 8 9 + (s) (1) (g) (aq) В Li NR No N NO Ва SO S • x H2O Tap here or pull up for additional resources