For the experiment " limiting reactant " and after filtering the precipitate, you checked the filtrate (supernatant) to identify the limiting reactant. 2Na3PO4 + 3BaCl2 – Ba;(PO4)2 (s) + 6NACI If you added BaCl, to the filtrate (supernatant) and a white precipitate was formed, this means that: O a. Both BaCl2 and Na3PO4 are limiting reactants O b. NazPO4 is the limiting reactant O c. BaCl, is the limiting reactant O d. BaCl, is an excess O e. None of the mentioned

For the experiment " limiting reactant " and after filtering the precipitate, you checked the filtrate (supernatant) to identify the limiting reactant. 2Na3PO4 + 3BaCl2 – Ba;(PO4)2 (s) + 6NACI If you added BaCl, to the filtrate (supernatant) and a white precipitate was formed, this means that: O a. Both BaCl2 and Na3PO4 are limiting reactants O b. NazPO4 is the limiting reactant O c. BaCl, is the limiting reactant O d. BaCl, is an excess O e. None of the mentioned

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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4. Practice: Chemical reactions are generally classified into five groups, defined below. Balance each equation, using the Gizmo for help. Combination (or synthesis) – two or more elements combine to form a compound. • Na + O2 Na,O La,O, + H;0 La(OH), N,O, + H,0 HNO, Decomposition - a compound breaks down into elements and/or simpler compounds. • KNO, KNO,+ O2 • NaN, Na + N, • NH,NO, N,O + H,0 Combustion – a fuel reacts with oxygen to release carbon dioxide, water, and heat. • CH, + O2 cO, + H,0 • C,H, + O2 CO2 + H;0 • CH;2O, + O2 CO, + H,0 Single replacement – an element replaces another element in a compound. • KCI + F2 KF + Cl2 Mg + HCI MgCI, + H2 Cu + AGNO, Cu(NO,); + Ag Double replacement – two compounds switch parts with one another. • AGNO, + K,SO, Ag,SO, + KNO, Mg(OH), + HCI MgCl, + H,O Al(OH), + H;SO, Al:(SO,), + H,O Reproduction for educational use only. Public sharing or posting prohibited. © 2020 ExploreLeaming M All rights reserved
Balance the following chemical equations.
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Balance the following reaction. If a reactant or product is not present, put a zero (0) in the blank. H+(aq) + H2O(l) + ClO-13(aq) + e-1 <--> Cl-1(g) + H+(aq) + H2O(l)
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2+ Natural waters often contain relatively high levels of calcium ion, Ca²+, and hydrogen carbonate ion (bicarbonate), HCO3¯, from the leaching of minerals into the water. When such water is used commercially or in the home, heating of the water leads to the formation of solid calcium carbonate, CaCO3, which forms a deposit ("scale") on the interior of boilers, pipes, and other plumbing fixtures. Ca(HCO3)2 (aq) → CaCO3 (s) + CO2(g) + H₂O(1) If a sample of well water contains 0.0016 mg of Ca(HCO3)2 per milliliter, what mass of CaCO3 scale would 1.0 mL of this water be capable of depositing? Mass= g
(4) for the reaction : 2 NaHCO3 → Na₂CO₂ + H₂O + CO₂ Find the mass of Sodium Carbmate that reacted from 1.56g of heated Sodium Hydrogen Carbonate
Arsine, AsH3, was once a product of a test used in forensic analysis. Tissues from a possible poisoning victim were treated with zinc and sulfuric acid. If arsenic was present (usually as diarsenic trioxide, As203), arsine would form: As₂03 (s) + 6 Zn(s) + 6 H₂SO4(aq) ----> 2 AsH3(g) + 6 ZnSO4(aq) + 3 H₂O(1) a) In a lab exercise, a forensic technician reacts 19.8 g of AS₂O3 with 32.7 g of Zinc in the presence of excess sulfuric acid. What mass of AsH3 will be produced? b) Use the same chemical reaction, create a question which needs to be solved by percentage yield.
formula in the last column. dyueuus SUlutions A ahd B are mixed. If a precipitate will form, enter its empirical Does a precipitate form when A and B empirical formula of solution A solution B are mixed? precipitate potassium chloride lead (II) nitrate O yes O no sodium hydroxide zinc chloride O yes O no copper(II) sulfate potassium sulfide O yes O no
Write the net ionic equation for the following: CaCla + NazCO; * Co.*- (aq) + Ca²* (aq) CACO: (s) Na (aq) + Cl- (aq)NaCl(s) Ca2+ (aq) + Na* (aq) – CaNa: (s) no precipitate forms Which of the following ionic reaction represents a complete ionic equation? I. Al,0, (s) + 6H* (aq) + 6C1O, (aq) → 2 Al3*(aq) + 6C10, (aq) +3 H, 0 (I) II. PbCr0, (s) → Pb2+(aq) + Cr0; (aq) III. Mg(OH)2 (s) + H2SO, (aq) → MgSO, (aq)+ 2 H20 (1) IV. H2CO, (aq) + 20H (aq)→ clo;- (aq) + 2 H,0 (I) II IV
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