Question Completion Status:A Moving to the next question prevents changes to this answer.Question 1The combustion of ammonia in the presence of excess oxygen yields NO2 and H20:4 NH3+ 7 02 (g)4 NO2 (g)+ 6 H20 (g)(g)g of oxygen.The combustion of 200 g of ammonia consumesAtomic weights: N=14.01, H=1.01, O=15.99. Input values only with 2 decimal places.A Moving to the next question prevents changes to this answer.o search

4NH3(g) + 7O2(g) .....> 4NO2(g) + 6H2O(g) Molar mass of ammonia = Molar mass of (N + 3(H)) =…

Answered: A Moving to the next question prevents…

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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As part of the aspirin synthesis lab the orgo students also had to perform the following calculation to demonstrate their knowledge. Are you able to help them work this out? Saponification is a process in which soap is produced from the chemical reaction between animal fat (triglycerides) and a strong base such as KOH. An example of such balanced chemical reaction is shown here: C51H98O6 + 3KOH → C3H5(OH)3 + 3C16H31O2K (Triglyceride) (Soap) if during the saponification reaction 231.5 g of C51H98O6 is mixed with 231.5 g of KOH and 160 g of soap is produced. Calculate the theoretical yield of soap C16H31O2K and indicate who is the limiting reactant. (Provide your answer to 2 decimal places) Calculate the percent yield for this reaction (Provide your answer to 1 decimal place) *Show ALL steps and mathematical equations involved in your calculations to help the orgo students. Remember to label all…
A mixture containing only Al2O3 (FM 101.96) and Fe2O3 (FM 159.69) weighs 2.019 g. When heated under a stream of H2, the Al2O3 is unchanged, but the Fe2O3 is converted to metallic Fe plus H2O(g). If the residue weighs 1.774 g, what is the weight percent of Al2O3 in the original mixture? (Do not include % symbol in your answer.)
A. If the experiment produces 50g of products and the expected mass is 90g, the theoretical yield is 55.6%.B. A box that weighs 10g with a volume of 20cm^3, the molar mass is 0.5g/cm^3. - Statement A is correct and statement B is incorrect.- Statement A is incorrect and statement B is correct.- Both statements are correct.- Both statements are incorrect.
dadad A 3.82-g sample of magnesium nitride is reacted with 7.73 g of water. Mg3N2 + 3H2O → 2NH3 + 3MgO The yield of MgO is 3.73 g. What is the percent yield in the reaction? Atomic weights: Mg=24.31, N=14.01, H=1.01, O=15.99. Input values only with 2 decimal places.
Souring of wine occurs when ethanol is converted to acetic acid by oxygen by the following reaction: C2H5OH + O2 CH3COOH + H2 A 1.00 L bottle of wine, labeled as 8.5% (by volume) ethanol, is found to have a defective seal. Analysis of 1.00 mL showed that there were 0.0274 grams of acetic acid in that 1.00 mL. The density of ethanol is 0.816 g/mL and the density of water is 1.00 g/mL. What mass of oxygen must have leaked into the bottle? What is the percent yield for the conversion of ethanol to acetic acid if O2is in excess?
Chemistry A suspension was prepared by mixing spherical gum grains with a density of 1.206 gcm-3 and a radius of 0.212 μm and water with a density of 0.999 gcm-3 at 15˚C. Since the number of particles determined microscopically at 5 μm and 35 μm heights from the base is 100 and 47, respectively, in the same time, calculate Avagadro's constant (g= 9.8 m s-2, μm= 10-6 m)
1. Below is a data table from an experiment in which an effervescent tablet is added to a test tube of water, producing a solution that fizzes and releases gas bubbles. The total mass of the substances and the test tube were recorded before and after the tablet was added to the test tube of water. If matter is always conserved, how do you explain these results? Explain in 3-5 sentences.
In the production of a bottled alcoholic mudslide, 3 ingredients are mixed together and bottled: Stream A: Vodka (41.17% ethanol, the balance is water) Stream B: Coffee liqueur (17.10% ethanol, 1% coffee solids, the balance is water) Stream C: Irish cream liqueur (17.82% ethanol, 21.05% sugar, 14.05% cream fat, the balance is water) The product needs to contain 24.49% ethanol and 6.48% sugar for it to qualify as a mudslide. If your target production is 328 kg/d, how much coffee liqueur is needed?
How many grams of steam and iron must react to produce 375 g of magnetic iron oxide, Fe3O4? 3 Fe (s) + 4 H2O (g) →Δ Fe3O4 (s) + 4 H2 (g) Enter your answer in grams for water into the first answer field in accordance with the question statement. g H2OEnter your answer in grams for iron into the second answer field in accordance with the question statement. g Fe
7. After performing precipitation gravimetry, Asta placed the weighing form inside the crucible, heated it, cooled it down, and weighed the crucible with the weighing form and obtained a mass of 23.4120 g. Repeating this cycle continuously gave a mass of 23.2125 g, then 23.1136 g, then 23.1139 g. Which among these masses should he use for his calculations?
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Volume of acetic anhydride: 2.98 mL Mass of salicylic acid: 1.00 g Mass of aspirin recovered: 0.67 g Calculate the theoretical yield of aspirin to two decimal places (MUST SHOW ALL WORK). Calculate your % yield based on mass recovered of aspirin divided by throretical yield x 100% and report it to the nearest whole number (MUST SHOW ALL WORK). Thank you.

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