-> A https://app.101edu.co Question 2 of 20 Copper(II) phthalocyanine (Cu(Cs2HiGNs)) is produced by the cyclotetramerization of phthalonitrile (CsH.N2) according to the following reaction: CaH&N2(1) + CuCI:(s)Cu(C32H16N8)(s) + Cl(g) How many moles of copper(II) phthalocyanine would be produced by the complete cyclotetramerization of 555 grams of phthalonitrile in the presence of excess copper(II) chloride? 1 4. 2.

-> A https://app.101edu.co Question 2 of 20 Copper(II) phthalocyanine (Cu(Cs2HiGNs)) is produced by the cyclotetramerization of phthalonitrile (CsH.N2) according to the following reaction: CaH&N2(1) + CuCI:(s)Cu(C32H16N8)(s) + Cl(g) How many moles of copper(II) phthalocyanine would be produced by the complete cyclotetramerization of 555 grams of phthalonitrile in the presence of excess copper(II) chloride? 1 4. 2.

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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In the production of printed circuit boards for the electronics industry, a 0.765 mm layer of copper is laminated onto an insulating plastic board. Next a circuit pattern made of a chemically resistant polymer is printed on the board. The unwanted copper is removed by chemical etching and the protective polymer is finally removed by solvents. One etching reaction isCu(NH3)4Cl2(aq) + 4NH3(aq) + Cu(s) → 2Cu(NH3)4Cl(aq)A plant needs to manufacture 8700 printed circuit boards, each 7.55cm x 18.0cm in area. An average of 72.0% of the copper is removed from each board (density of copper=8.96g/cm3.) What mass of Cu(NH3)4Cl2 reagent is required?
Balance the following equation. If the coefficient is "1," you must enter the 1. C2H5NH2(1) + 02(g) --> CO2(g) + H20(1) + N2(g)
If you want to produce 250 mg of aspirin (C9H8O4) from the reaction of C7H6O3 and C4H6O3, what is the minimum amount of C7H6O3 that is needed? 2C7H6O3(s) + C4H6O3(l) -> 2C9H8O4(s) + H2O(l) 2.50 x 102 g 6.21 x 103 g 1.42 x 10-1 g 1.92 x 10-1 g 1.92 x 102 g
What is the total number of carbon atoms on the right-hand side of this chemical equation? CH,CO,C,H,(l)+H,O()−CH,CO,H(0)+C,H,OH()
A 19.51 g sample of impure methylamine, which contains 72.58% (by mass) of CH;NH: , is reacted with 30.81 g of pure oxygen gas: 2.1 4CH, NH,(2) + 90,(8) - 4C0,(8) + 10H,0(?) + 2N;(8) 2.1.1 What is the percentage yield of this reaction if 5.54 g of nitrogen gas is collected? 2.1.2 In another experiment, this impure methylamine was used as follows: • An unknown mass of the impure compound is dissolved in enough water to make 500.0 m of solution. • 20 ml of this solution was transferred by pipette to a clean 250 ml volumetric flask and made up to the mark. • The molarity of the CH;NH; in the final solution was determined to be 0.103 M. Determine the mass of CH;NH; present in the original amount of impure compound used make this solution.
Riccardo states that for the process of iron reacting with sulfur to produce iron(Il) sulfide according to 16FE +35 8Fe, Sy, 16.00 g of iron will react with 3.00 g of sulfur in the reaction. Do you agree or disagree with this statement? Explain.
00 %24 3. Balance the following equation: Ca 3(PO 4) 2( S) + SiO 2( s) + C( s) → CaSiO 3( s) + CO( g) + P 4( s) O Ca3(PO4)2(s) + 3SIO2(s) + 8C(s) O Caz(PO42(s) + 3SIO2(s) + 14C(s) 3CaSiO3(s) + 14CO(g) + P4(s) O Caz(PO4)2(s) + 3SIO2(s) + 8C(s) O 2Ca3(PO4)2(s) + 6SIO2(s) + 10C(s) → 6CaSiO3(s) + 10CO(g) + P4(s) O 2Cag(PO4)2(s) + 6SIO2(s) + 10C(s) 6CASIO3(s) + 10CO(g) + 4P4(s) 3CaSiO3(s) + 8CO(g) + P4(s) - 3CaSiO3(s) + 8CO(g) + 2P4(s) 4 5. b
6. Consider the following chemical reaction: 2 Cr(OH)3(aq) >Cr₂O3(s) + 3H₂0(1) 12.00 moles of chromium (III) hydroxide is decomposed. Calculate moles of the water produced. O 18.00 moles O 1.500 moles O 4.00 moles O 12.00 moles
( ii ) 1_Consider using 10.3 g of Cr ( s ) and 10.0 g of Se ( s ) in this reaction . Calculate the theoretical yield of Cr2S3 ( s ) . 2_What mass of the excess reactant remained unreacted ?
Please answer clear handwriting.
3) A mineral of calcium with the formula CaCO3¤Ca(OH)2 was analyzed by heating in a crucible, and the following data was collected: Mass of empty crucible Mass of crucible and sample Mass of crucible + CaO (final heating) 23.45 g 26.12 g 25.18 g Mass of CaO: Mass of Ca in CaO (exp.): Show calculations below: % of Ca in mineral sample (exp.):
Given the amount of transition metal salt, determine the theoretical yield of the transition metal oxalate. Copper (II) oxalate tetrahydrate can be produced by the reaction of copper (II) chloride tetrahydrate with oxalic acid as follows: CuCl2 • 4H20 (aq) + H2C2O4(aq) –→ CuC204 • 4H2O(s) +2H2O(/) + 2HCI(aq) Calculate the theoretical yield of CUC204•4H2O that can be produced by 4.23 g of CuCl2 • 4H20 with an excess of oxalic acid. Use the following molar masses: CuCl2 • 4H20 – 206.52 g/mol H2C2O4 – 99.04 g/mol CuC204 • 4H20 – 223.63 g/mol