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OWLv2 for Moore/Stanitski's Chemistry: The Molecular Science, 5th Edition, [Instant Access], 1 term (6 months)
5th Edition
ISBN: 9781285460420
Author: John W. Moore; Conrad L. Stanitski
Publisher: Cengage Learning US
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Chapter 19, Problem 80QRT
Interpretation Introduction
Interpretation:
Simplest formula of dolomite has to be determined.
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Silicon reacts with sulfur at elevated temperatures. If 0.0923 g of silicon reacts with sulfur to give 0.3030 g of silicon sulfide, determine the empirical formula of silicon sulfide.
1000 kg of calcium phosphate is made to react with 10% excess silica, SiO2 and 90% excess carbon to produce 100 kg of phosphorous. The other products are calcium silicate and carbon dioxide.
a) What is the degree of completion of the reaction?b) Illustrate the Law of Conservation of Mass.
Give the reaction type:
CaCl2•3H2O (s) + ∆ ⟶ CaCl2 (s) + 3H2O (g)
Chapter 19 Solutions
OWLv2 for Moore/Stanitski's Chemistry: The Molecular Science, 5th Edition, [Instant Access], 1 term (6 months)
Ch. 19.1 - Prob. 19.1ECh. 19.1 - Prob. 19.2ECh. 19.2 - Prob. 19.3CECh. 19.2 - Prob. 19.4CECh. 19.3 - Prob. 19.5ECh. 19.4 - Prob. 19.1PSPCh. 19.4 - Prob. 19.6ECh. 19.4 - Prob. 19.7ECh. 19.4 - Prob. 19.2PSPCh. 19.5 - Prob. 19.8CE
Ch. 19.5 - Prob. 19.9ECh. 19.5 - Prob. 19.3PSPCh. 19.5 - Use the terms oxidation, reduction, oxidizing...Ch. 19.5 - Prob. 19.11ECh. 19.6 - Prob. 19.13ECh. 19.6 - Prob. 19.14ECh. 19.6 - Prob. 19.15CECh. 19.6 - Prob. 19.16CECh. 19.6 - Prob. 19.4PSPCh. 19.6 - Prob. 19.5PSPCh. 19.6 - Prob. 19.17ECh. 19.6 - Prob. 19.6PSPCh. 19.6 - Prob. 19.7PSPCh. 19.6 - Prob. 19.8PSPCh. 19 - Prob. 1QRTCh. 19 - Prob. 2QRTCh. 19 - Prob. 3QRTCh. 19 - Prob. 4QRTCh. 19 - Prob. 5QRTCh. 19 - Prob. 6QRTCh. 19 - Prob. 7QRTCh. 19 - Prob. 8QRTCh. 19 - Prob. 9QRTCh. 19 - Prob. 10QRTCh. 19 - Prob. 11QRTCh. 19 - Prob. 12QRTCh. 19 - Prob. 13QRTCh. 19 - Prob. 14QRTCh. 19 - Prob. 15QRTCh. 19 - Prob. 16QRTCh. 19 - Prob. 17QRTCh. 19 - Prob. 18QRTCh. 19 - Prob. 19QRTCh. 19 - Prob. 20QRTCh. 19 - Prob. 21QRTCh. 19 - Prob. 22QRTCh. 19 - Prob. 23QRTCh. 19 - Prob. 24QRTCh. 19 - Prob. 25QRTCh. 19 - Prob. 26QRTCh. 19 - Identify the substance or substances produced by...Ch. 19 - Prob. 28QRTCh. 19 - Prob. 29QRTCh. 19 - Prob. 30QRTCh. 19 - Prob. 31QRTCh. 19 - Prob. 32QRTCh. 19 - Prob. 33QRTCh. 19 - Prob. 34QRTCh. 19 - Prob. 35QRTCh. 19 - Prob. 36QRTCh. 19 - Prob. 37QRTCh. 19 - Prob. 38QRTCh. 19 - Prob. 39QRTCh. 19 - Prob. 40QRTCh. 19 - Prob. 41QRTCh. 19 - Prob. 42QRTCh. 19 - A human body contains approximately 5 L of blood....Ch. 19 - Prob. 44QRTCh. 19 - Prob. 45QRTCh. 19 - Prob. 46QRTCh. 19 - Prob. 47QRTCh. 19 - Prob. 48QRTCh. 19 - Prob. 49QRTCh. 19 - Prob. 50QRTCh. 19 - Prob. 51QRTCh. 19 - Prob. 52QRTCh. 19 - Prob. 53QRTCh. 19 - Prob. 54QRTCh. 19 - Prob. 55QRTCh. 19 - Prob. 56QRTCh. 19 - Prob. 57QRTCh. 19 - Prob. 58QRTCh. 19 - Prob. 59QRTCh. 19 - Prob. 60QRTCh. 19 - Prob. 61QRTCh. 19 - Prob. 62QRTCh. 19 - Prob. 63QRTCh. 19 - Prob. 64QRTCh. 19 - Prob. 65QRTCh. 19 - Prob. 66QRTCh. 19 - Prob. 67QRTCh. 19 - Prob. 68QRTCh. 19 - Prob. 69QRTCh. 19 - Prob. 70QRTCh. 19 - Prob. 71QRTCh. 19 - Prob. 72QRTCh. 19 - Prob. 73QRTCh. 19 - Prob. 74QRTCh. 19 - Use the phase diagram for sulfur for Question 75....Ch. 19 - Prob. 76QRTCh. 19 - Prob. 77QRTCh. 19 - Prob. 78QRTCh. 19 - Prob. 79QRTCh. 19 - Prob. 80QRTCh. 19 - A natural brine found in Arkansas has a bromide...Ch. 19 - Prob. 82QRTCh. 19 - Prob. 83QRTCh. 19 - Prob. 84QRTCh. 19 - At 20. C the vapor pressure of white phosphorus is...Ch. 19 - Prob. 86QRTCh. 19 - Assume that the radius of Earth is 6400 km, the...Ch. 19 - Prob. 88QRTCh. 19 - Prob. 89QRTCh. 19 - Prob. 90QRTCh. 19 - Prob. 91QRTCh. 19 - Prob. 92QRTCh. 19 - Prob. 93QRTCh. 19 - Prob. 94QRTCh. 19 - Prob. 95QRTCh. 19 - Use a Born-Haber cycle (Sec. 5-13) to calculate...Ch. 19 - Prob. 97QRTCh. 19 - Elemental analysis of a borane indicates this...Ch. 19 - Prob. 99QRTCh. 19 - Prob. 100QRT
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- 4.48 Elemental phosphorous is used in the semiconductor industry. It can be obtained from an ore called fluoroapatite via reaction with SiO2 and C: 4Ca5( PO4)3F+18SiO2+30C3P4+30CO+18CaSiO3+2CaF2 Suppose a particular semiconductor production plant requires 1500 kg of P4. If the recovery of P4 from this reaction is 73% efficient, what mass of fluoroapatite is needed?arrow_forwardPhosphorous acid, H3PO3, is oxidized to phosphoric acid, H3PO4, by nitric acid, which is reduced to nitrogen monoxide, NO. Write the balanced equation for this reaction.arrow_forwardPhosphorus occurs naturally in the form of fluorapatite, CaF2 3Ca3(PO4)2. The dot indicates 1 part CaF2 to 3 parts Ca3(PO4)2. This mineral is reacted with an aqueous solution of H2SO4 in the preparation of a fertilizer. The products are phosphoric acid, hydrogen fluoride, and gypsum, CaSO4 2H2O. Write the balanced equation describing this process.arrow_forward
- 3.44 Determine the molar mass of these ceramic materials. (a) HfN, (b) ThO2, (c) BaTiO3arrow_forwardThe reaction of elemental phosphorus and excess oxygen produces P4O10. Name the compound. (a) phosphorus oxide (b) phosphoric acid (c) phosphorus decaoxide (d) tetraphosphorus decaoxidearrow_forwardThe percent yield in the direct reaction of silicon with Cl2 to form SiCl₄ is 62%. Calculate the mass (in grams) of SiCl₄ obtained in the reaction of 3.1 g of silicon with excess chlorine?arrow_forward
- A 241.3 gram sample of CoCl2 2H₂O is heated to dryness. Find the mass of anhydrous salt remaining. ●arrow_forwardWrite balanced chemical equations for the following reactions. The decomposition of solid ammonium nitrate to produce gaseous dinitrogen oxide and water. The reaction of aqueous sodium phosphate and aqueous copper(II) sulfate to produce solid copper(II) phosphate and aqueous sodium sulfate.arrow_forward22. Copper is obtained from sulfide ores through a two-step process consisting of roasting the ore in the presence of oxygen and heating the resultant copper(I) oxide with powdered carbon. The overall reaction is as follows: 2Cu2S (s) + 302 (g) + 2C (s) → 2SO2 (g) + 4Cu (s) + 2CO (g) Calculate the maximum yield of copper obtained from 1.60 kg of Cu2S. (Relative atomic mass: S, 32; O, 16; C, 12; Cu, 64) A. 0.26 kg В. 0.64 kg С. 0.96 kg D. 1.28 kgarrow_forward
- A sample containing only CaCO3 (100.09 g/mol) and MgCO3 (84.314 g/mol) is ignited to CaO (56.08 g/mol) and MgO (40.304 g/mol). The mixture of oxides weighs exactly half as much as the original sample. Calculate %CaCO3 and %MgCO3.arrow_forwardI need a step by step explanation for this question.arrow_forward1. Write a balanced equation for the reaction between sodium carbonate (Na2CO3) andhydrochloric acid (HCl).2. Calculate the theoretical yield (in grams) of the CO2 that should be produced from the massof Na2CO3 used. Use dimensional analysis.3. Use the following equation to calculate the percent yield of the CO2.experimental(actual) %yield x 100theoretical(calculated)=4. Calculate the theoretical yield of NaCl from the amount of Na2CO3 used. Use dimensionalanalysis.5. Use the following equation to calculate the percent yield of the NaCl in your experiment.experimental(actual) %yield x 100theoretical(calculated)arrow_forward
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