Methanol (CH3OH)(m.w%332.04), also called methyl alcohol, is the simplest alcohol. It is used as a fuel in racecars and is a potential replacement for gasoline. Methanol can be manufacturedmonoxide and hydrogen. Suppose 68.5kg CO) (m.W3D28.02) is reacted with 8.60kg H2 () (m.w32.02). If6.86 10, CH3OH is actually produced, what is the percent yield of methanol?combining gaseous carbonH2(g) + CO(g)CH,OH()Select one:a. 100%O b. 82%с. 52%O d. 70%О е. 92%Next pageere to search

The chemical reaction for the manufacture of methanol by combining the gaseous carbon monoxide and…

Methanol (CH3OH)(m.w332.04), also called methyl alcohol, is the simplest alcohol. It is used as a fuel in race cars and is a potential replacement for gasoline. Methanol can be manufactured by combining gaseous carbon monoxide and hydrogen. Suppose 68.5kg CO) (m.w=28.02) is reacted with 8.60kg H2() (m.w3D2.02). If 6.86 * 10*, CH3OH is actually produced, what is the percent yield of methanol? H2(g) + CO(g) CH,OH(1) Select one: О a. 100% O b. 82% C. 52% d. 70% e. 92%

Methanol (CH3OH)(m.w332.04), also called methyl alcohol, is the simplest alcohol. It is used as a fuel in race cars and is a potential replacement for gasoline. Methanol can be manufactured by combining gaseous carbon monoxide and hydrogen. Suppose 68.5kg CO) (m.w=28.02) is reacted with 8.60kg H2() (m.w3D2.02). If 6.86 * 10*, CH3OH is actually produced, what is the percent yield of methanol? H2(g) + CO(g) CH,OH(1) Select one: О a. 100% O b. 82% C. 52% d. 70% e. 92%

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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2. In the laboratory, O2(g) can be obtained from the following thermal decomposition reaction of potassium chlorate (KCIO3) with the aid of catalyst: A, MnO2 (catalyst) 2KC1O;(s) > 2KCI(s) + 302(g) To determine the composition of the mixture of KCIO3 and potassium chloride (KCI), 0.612 g KCIO3/KCl mixture is taken into a test tube and heated in the presence of sufficient catalyst, MnO2. The total mass of the test tube after heating decreased by 0.096 g. According to this result, what is the percentage of the KCIO3 in the mixture? (K: 39.0 g/mol, Cl: 35.5 g/mol, O: 16.0 g/mol)
The human body burns glucose (C6H₁2O6) for energy according to this chemical reaction: C6H12O6 +60₂-6CO₂ + 6H₂O The products of the reaction are carbon dioxide (CO₂) and water (H₂O). Interestingly, all of the carbon dioxide and much of the water exits the body through the lungs: on every breath, the average person exhales 500. mL of air, which is typically enriched to 4% CO₂ and 5% water vapor by volume. In short, when a person loses weight by dieting, the weight that is lost actually departs his body as a gas, every time he exhales. Each kilogram of body fat lost requires exhaling about 2.9 kg of carbon dioxide. Calculate how many breaths it takes an average person to "exhale" 1.00 kg of fat. Round your answer to the nearest thousand. You'll need to know that the density of CO₂ is 2.0 kg/m³. 0 ☐ ☐x10 X
14. The fertilizer ammonium sulfate [(NH,),SO4] is prepared by the reaction between ammonia (NH3) and sulfuric acid: 2NH;(g) + H,SO,(aq) --->(NH,),SO,(aq) How many kilograms of NHz are needed to produce 1.00 x 10° kg of (NH,),SO,?
The metal widely used in our civilization is iron (Fe) and it is obtained industrially by the reduction of iron oxide (Fe,0,) with carbon at higher temperatures (over 1000 °C). The equation for the reaction is as follows, Fe,0;(s) + C(s) –Fe(s) + CO2(g) Using the above equation, a. What is the number of moles of Fe? (ensure 3 decimal places for e.g. 0.300) mols b. How much of the product (Fe) can be produced from 10.0g of Fe,O;?(ensure 2 decimal places for e.g. 0.30) c. What is the number of moles for carbon?(ensure only 4 decimal places) (ensure 4 decimal places for e.g. 0.3003) mols bo
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
9. One step in the isolation of pure rhodium metal (Rh) is the precipitation of rhodium(III) hydroxide from a solution containing rhodium(III) sulfate according to the following chemical equation: (Be sure to balance the reaction equation) Rh₂(SO4)3(aq) + NaOH(aq) - Rh(OH)³(s) + Na₂SO4(aq) If 69.28 g of rhodium(III) hydroxide is to be produced, what mass of rhodium(III) sulfate will be needed for the reaction?
Nitric acid is often manufactured from the atmospheric gases nitrogen and oxygen, and hydrogen prepared by reforming natural gas, in a two-step process. In the first step, nitrogen and hydrogen react to form ammonia: N₂(g) + 3H₂(g) 2 NH, (g) In the second step, ammonia and oxygen react to form nitric acid (HNO3) and water: NH₂ (g) + 20₂(g) → HNO3(g) + H₂O (g) Suppose the yield of the first step is 61.% and the yield of the second step is 77.%. Calculate the mass of nitrogen required to make 10.0 kg of nitric acid. Be sure your answer has a unit symbol, if needed, and is rounded to 2 significant digits. 0 Explanation Check. ☐ x10 8 X 09 0.0 S © 2023 McGraw Hill LLC. All Rights Reserved. Terms of Use | Privacy Center |
6. Write the expression for Kc for the following reactions. In each case indicate whether the reaction is homogeneous or heterogeneous. a. CH4 (g) + H2S (g) → CS2(g) + H2 (g) HF + F¯ (aq) b. (aq) ⇒ H* (aq) c. Ti (s) + Cl2 (g) → TiCl4 (1) d. HCI (aq) + O2 (g) → H₂O (1) + 2 Cl2 (g)
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esc Phosphoric acid, which is commonly used as rust inhibitor, food additive and etching agent for dental and orthopedic use, can be synthesized using a two-step thermal process. In the first step, phosphorus and oxygen react to form diphosphorus pentoxide: P₁(1)+50₂(g) 2 P₂O(g) In the second step, diphosphorus pentoxide and water react to form phosphoric acid: P₂O(g) + 3 H₂O(1)-2 H₂PO₂(0) 4 Write the net chemical equation for the production of phosphoric acid from phosphorus, oxygen and water. Be sure your equation is balanced. 0 Continue 56°F Clear F1 J F2 @ 2 F3 # 3 Q Search F4 $ 4 F5 % 5 F6 6 0-0 X F7 & 00 7 Ś F8 © 2023 McGraw Hill LLC. All Rights Reserved. Terms of Use | Privacy Center | Accessibi M OO DELL F9 prt sc F10 home F11 end 12 F12 0 Submit Assignment J olo 18 Ar insert
A 0.693 g0.693 g sample of a metal, M, reacts completely with sulfuric acid according to M(s)+H2SO4(aq)⟶MSO4(aq)+H2(g)M(s)+H2SO4(aq)⟶MSO4(aq)+H2(g) A volume of 269 mL269 mL of hydrogen is collected over water; the water level in the collecting vessel is the same as the outside level. Atmospheric pressure is 756.0 Torr, and the temperature is 25 °C. The vapor pressure of water at 25 °C is 23.8 Torr. Calculate the molar mass of the metal.