Question

Name: Lab Partner's name Lab 11 Reactions and Equations: Double Displacement Reactions AUN A. OBSERVATIONS / QUESTIONS: 1. For each of the following reactions, record the evidence you observe that indicates a chemical change has occurred and provide a balanced molecular equation, complete ionic equation and net ionic equation a) Silver nitrate + Sodium chloride Evidence of chemical change: Souly Turning into a solida turned white and cloudly Slowly disoiving Shrunk into one bail Molecular Equation: AgNO3 + NaCl -> AgCl + NaNO3 Complete lonic Equation: Agt Noz + Nat CT -Ag* CI + Na No: . Nat No - Na Nos Net Ionic Equation: b) Sodium hydroxide +Iron (III) nitrate Evidence of chemical change: slowly Turned into a solid, turned dark brown Molecular Equation: Complete Ionic Equation: Net lonic Equation:

Answer 1

AgNO3 + Nach – 9 molecular ) Equation cag (aq) AgCl (s) + Nano caq. white Precipitate & Naci - Agci + Na Noz cay cay 15 (aq) ag onic Equation Agt Noz cay cay - Ageles. Netienic Equation Ag+ Noz (aq) car) +3 NaNO caq? 0942 (5) + (6) Sodium Hydroxide + Iron (111) sitrate molecular Reaction praon caa) + fe (NO3)₂ we get dark Brown fe con iz Precipitaté lonic Reaction 3NO 304 + te 3 Noz a fe con + 3 Na 3 NO₂ Coq) cay) (4) (09) (or) (aq) Net ionic equation, feteur) + 304 caq - fe coniz (5) 3+ (C) Naon & Cuson - molecular 2 aon & Cusoy (09) (04) jonic 2 Ma 204 + cut so4- Na₂SO4 + Cu COH) (5) C (all e Na tsog & Culona (aq) (aq) (5) cu con, (aq) (09) can T Net ionic 2 g + 20n car

d. Call2 + moleculor Eq. Na₂CO3 Caci + Naz(O3(aq) - Cacoz (s) + 2Naci@9) Caco + 2Na 20 jenic Eq. (a2+211 + anat coz (09) (1) (aq) (ar) 25) (ay (49) Net ionic Eq - Cacoz I cant (aq) & coz (aq) - KI + Ag Noz molecular – KI caq) + Agnoz caq) Agr (s) + KNO3 caq) ionic k+ I + Ag+ NO AI + NO3 (@9) (99] (99) (99) (s) (y) (ay) Net ionic Agt & I - Ag] (3) (aq) (09) (ag) SYNO3)2 + H2SO4 → Sr 504 + 2HNO3 molecular 09) (5) CAL) Reaction Sr2+ 2NO3 + 24 sou - SSO4 + 24 2NO3 ionic Reaction can) (aq) (aq) (aq) (5) Cars (aq) 2 + + 50% SrS04 - Net ionic caq) (aq) Tocal, + Pb (NO3)2 Ca(NO3)2 + Pb I2 molecular (@9) ) 1 Reaction 20 co2+ 25 + Pb Noz - Ca²t 2003 + PbI2 jonic Reaction con) cay cael (ar) caq, caq) (5) (5) 2+ 2+ P62 og 1 + 21 c99) Pb 12 (s) 1 Onis Netionic RX n.
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