Predict the reactants of this chemical reaction. That is, fill in the left side of the chemical equation. Be sure the equation you submit is balanced. (You can edit both sides of the equation to balance it, if you need to.) Note: you are writing the molecular, and not the net ionic equation. - BaF (ag) + H,0() O-0
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- Watch this introductory video to chemical reactions that explains specifically one double https://www.youtube.com/watch?v=kgMARnXlmBY 2. Write the balanced chemical reaction, including state of the matter 3. What is the precipitate that forms, and which color is it?The following reactions (note that the arrows are pointingonly one direction) can be used to prepare an activity seriesfor the halogens:Br2(aq) + 2 NaI(aq)----->2 NaBr(aq) + I2(aq)Cl2(aq) + 2 NaBr(aq)----->2 NaCl(aq) + Br2(aq)(a) Which elemental halogen would you predict is the moststable, upon mixing with other halides? (b) Predict whethera reaction will occur when elemental chlorine and potassiumiodide are mixed. (c) Predict whether a reaction will occurwhen elemental bromine and lithium chloride are mixed.The following reactions poccur in aqueous solution. Complete and balance the molecular equations using phase labels. Then write the net iconic equations. a) CaS + HBr b) MgCO3 + HNO3 c) K2SO4 + H2SO4
- . Write balanced, net ionic equations for each of the five reactions and, using the scheme outlined in the introduction, indicate the reaction type for each: redox, acid/base, or precipitation. 2. Understanding and Visualizing Aqueous Solutions. What materials are removed by washing and decantation at the end of Part 3? (HINT: Consider the soluble products from previous steps.) What materials are present in solution at the end of Part 4? What is removed by decantation/washing at the end of Part 5?Use the following infographic from compound interest: https://www.compoundchem.com/2015/04/23/golden-rain/ (copy and paste link otherwise it wont work) 2KI(aq) + Pb(NO3 )2 (aq)−> Pbl2 (s) + 2KNO3 (aq) a.Based on the data provided, how do we know which products the solid precipitate? Include how the solubility rules support the claim you’ve made. b.Explain what it means that the solubility of PbI2 is greater at higher temperatures. Use an example from the infographic along with information about solubility. c. To make a 100.0mL of 0.1M solution lead(II) nitrate, how many grams of lead (II) nitrate need to weighed out on the balance?If you complete and balance the following equation in acidicsolutionMn2+(aq) + NaBiO3(s)---->Bi3+(aq)+ MnO4-(aq) + Na+(aq)how many water molecules are there in the balanced equation(for the reaction balanced with the smallest whole-numbercoefficients)? (a) Four on the reactant side (b) Three on the product side (c) One on the reactant side (d) Seven on theproduct side (e) Two on the product side
- The percent nitrogen (N) in a protein sample can be determined by reacting the protein with sulfuric acid to produce ammonium sulfate. The ammonium sulfate is reacted with concentrated sodium hydroxide to form ammonia gas. The ammonia gas is collected by bubbling it through a known volume of standardized hydrochloric acid solution (all of the ammonia reacts in this step, is consumed). The unreacted hydrochloric acid is then back-titrated with standardized sodium hydroxide solution. The reactions involved are shown below: Protein-N + H2SO4 (aq) ⟶⟶ (NH4)2SO4 (aq) 2 NH4+(aq) + 2 NaOH (aq) 2 NH3 (g) + 2 H2O NH3 (g) + HCl (excess) NH4Cl (aq) + HCl (unreacted) HCl (unreacted) + NaOH (aq) NaCl (aq) + H2OA 1.85 g sample of the protein required 25.00 mL of 0.1535 M HCl and 21.55 mL of 0.0986 M NaOH. How many moles of NH3 were consumed by the standardized HCl? A. 8.55 x 10-4 B. 1.71 x 10-3 C. 2.13 x 10-3 D. 3.84 x 10-3 E. 5.97 x 10-3 What is the mass percent nitrogen in…FeCl2 + HNO3----> Fe3+ + ClO4- +NO2 (in acid). Please balanceWatch this video of a double displacement experiment: https://www.youtube.com/watch?v=mph8Hq_75vU Write the balanced chemical reactions, including state of the matter What is the precipitate that forms, and which color is it?
- Write the balanced NET ionic equation for the reaction when ZnCl₂ and KOH are mixed in aqueous solution. If no reaction occurs, simply write only NR. Be sure to include the proper phases for all species within the reaction.Suppose that the prototype iron(II) solution has a molarity of 0.0250 upon mixing with the SCN- before any reaction. Since the SCN- solution has a molarity of 0.000100, all of it reacts with the much more concentrated iron(III) to make FeSCN2+. From this, the slope, m is determined. Now, for solution 1 (see previous work or the directions in the lab for the molarity), determine the molarity of iron(III) remaining if the absorbance of the FeSCN2+ complex was 0.4016 and slope, m, was previously determined to be 6700.Consider these compounds: A. Al(OH)3 B. Ag3PO4 C. Zn3(PO4)2 D. Ca3(PO4)2 Complete the following statements by entering the letter(s) corresponding to the correct compound(s). (If more than one compound fits the description, include all the relevant compounds by writing your answer as a string of characters without punctuation, e.g, ABC.) Without doing any calculations it is possible to determine that barium phosphate is more soluble than , and barium phosphate is less soluble than . It is not possible to determine whether barium phosphate is more or less soluble than by simply comparing Ksp values.