● Watch the following video: https://www.youtube.com/watch?v=kkBFG1mTSBk Record the color of the flame observed for each substance tested in the video. Solution SrCl₂ NaCl KCI Color Observed Solution LICI CuCl2 CaCl₂ Color Observed 1. Explain why colored flames are observed when elements are heated?

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Q: Balance the equation: Coll(SO4)-7H₂O + NH4SCN + HgCl2 → Hg"[Co"(SCN)4] + NH4CI + (NH4)2SO4 + H₂O…

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Q: A student performed the Beilstein test within a chemical fume hood by inserting a looped end of a…

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Q: What is the reaction in CaCl2+FeCl3

A: In a chemical reaction, reactants combine together to form products.

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Q: [Referen Calculate the standard free-energy change at 25°C for the following reaction: 4Cr(s) + 302…

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Q: What reaction takes place for limiting and theoretical yields? CuSO4(aq)+Fe=>FeSO4(aq)+Cu(s)…

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Q: Which of the following steps performed in the Chemical Changes experiment is INCORRECTLY matched to…

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Q: Draw electron-dot structures for the product using brackets to denote the charge on the complex. Mg²…

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Q: Explain why the product distribution is observed for the following reactions: Br Br KOtBu KOtBu 70%…

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Q: What is the charge on copper ions in a solution of Cu(NO3)2? O Cu (0) O Cu (+1) O Cu (+2) O Cu (+3)

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Q: The iron(III) ion reacts with thiocyanate ion (SCN 3. The iron(III) ion reacts with thiocyanate ion…

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Q: A colored solution of concentration 0.0248 mol/L has an absorbance of 0.353. What is the…

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Q: Different substances containing the same transition metal often demonstrate a wide range of colors.…

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Q: Which of the reagents would oxidize Zn to Zn2+, but not Pb to Pb2+? Ca2+ Co Co2+ Br2 Br− Ca

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Q: Major Entities present in Cu(s) a) Cu(s), H2O(l) b) Cu2+(aq), H2O(l)

A: To answer: Major Entities present in Cu(s) a) Cu (s), H2O (l) b) Cu2+ (aq), H2O (l)

Q: Is the Fe:S ratio different for iron(II) sulfide and iron (III) sulfide? Explain.

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Q: Fe(s) can replace the metal in which of these compounds? Select all that apply. Group of answer…

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Q: Platinum(IV) chloride that can be used for platinum electroplating contains 57.91% Pt. Calculate the…

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Q: Write the electronic configuration of each of the following  Fe+3 co  Cu  Mn+2

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Q: You combine 100. mL of 0.100 M Fe(NO3)2 and 100. mL of 0.00125 M Na₂CO3. What is the concentration…

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Q: Pb(NO3)2 + Ni(en)1(H20)4SO4 ------> Pb(SO4)(s) + 2NO31- + Ni2+ + 4H2O + 1 en b. How many grams of…

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Q: A solution is 0.100 M in both Mn2+ and Cd2+ ions. The pH is slowly increased by adding NaOH. Which…

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Q: what happens when you add the iron powder (Fe) to Cu(NO3)2 (describe the product and color of the…

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Q: Which of the following is the least hazardous form of chromium? Group of answer choices chromium(VI)…

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Q: When Ni(NO3)2 is dissolved in water it forms a light green solution. When ammonia is added to the…

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Q: Draw electron-dot structures for the product using brackets to denote the charge on the complex.…

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Q: What is molecular equations for  CoCl2+2AgNO3

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Q: When the following equation is balanced properly under acidic conditions, what are the coefficients…

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Q: select the Ksp expressions that correctly match the corresponding compounds. a) silver sulfide:…

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Q: WHAT IS THE USE OF SULFURIC ACID IN DETERMINATION OF IRON IN DIET SUPPLEMENT TABLETS?

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Q: The unknown solution in test tube #1 plus (NH4)2SO4 gives no reaction. The solution in test tube #1…

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