Z bread +a. If you make sandwiches using 5 pieces of bread and 5 slices of cheese, how many sandwiches can be made?Show a calculation using dimensional analysis and the ratio from the reaction to prove your answer.cheese → I sandwich (kinished product)2;15 bread + 5 chienTwo Jandwiches are made from5 pieces of bread and 5Slices of chase.b. Now, explain what you observed, using the terms limiting reagent, excess reagent, and theoretical yield.The bread is the limiting reagent and the cheese is the excesreagent. The theretical yield

a) The reaction can be given as: 2 Breads+1 cheese→1Sandwitch Ratio: Bread : Sandwitch = 2:1Cheese:…

Answered: Z bread + a. If you make sandwiches…

Chemistry & Chemical Reactivity

10th Edition

ISBN:9781337399074

Author:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel

Publisher:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel

Chapter21: The Chemistry Of The Main Group Elements

Section: Chapter Questions

Problem 120IL

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Page < 2 of 2 ZOOM + 7. Write balanced chemical eqess | esc | to exitTO Screen ctions. a. production of ammonia, NH3(g), by combining N2(g) and H2(g) b. production of methanol, CH3OH(1), by combining H2(g) and CO(g) c. production of sulfuric acid by combining sulfur, oxygen, and water 8. Diborane and related compounds were proposed as rocket fuels in the 1950s. A representative reaction for this class of molecules is that of B2H6 and O2 to form B2O3 and H2O. Write the balanced chemical equation for this process. 9. Silicon nitride, Si3N4, is used as a reinforcing fiber in construction materials. It can be synthesized from silicon tetrachloride and ammonia. The other product is ammonium chloride. Write the balanced chemical reaction for this process. 10. Classify the following compounds as electrolytes or nonelectrolytes: a. potassium chloride, KCl b. hydrogen peroxide, H2O2 c. methane, CH4 d. barium nitrate, Ba(NO3)2
The combustlon of propane (C,H,) In the presence of excess oxygen ylelds CO, and H,0 as shown below. C,H, (g) + 50, (95→ 3Co, (g) + 4H,0 (g) When 2.5 mol of O, are consumed in this reaction, mol of CO, are produced. O 2.5 1.5 O 5.0 O3.0
The hydrated salt, MY3-xH0, was heated strongly in a crucible to remove all the water molecules of crystallization. The data for this experiment are given in the table below. Mass of empty crucible and cover Mass of crucible, cover, and hydrated salt 30.29 g 35.57 g Mass of crucible, cover, and anhydrous salt 34.57 g Molar mass of anhydrous salt 230.99 gimol O Calculate the % composition by mass of water in the hydrated salt O Determine the value of x.
4. A mixture of 3.00 g of Bi2O3 and 0.500 g C are used to produce bismuth and CO in the reaction Bi2O3 + 3 C → 2Bi + 3 CO Determine the limiting reagent and the excess reagent. 50/ 00% DI 20/ C L G
O Launch Meeting - Zoom O Launch Meeting - Zoom od212ou%3D2591470&isprv &drc3D1&qi=24592388cfql%=D08drnb- ttempt 1 A honeycomb-shape casing of the metals platinum (Pt), rhodium (Rh), and palladium (Pd) in catalytic converters of automobiles cause more reactions to take place that produce less harmful gases without being affected by the reaction. These metals are catalysts because: They cause the reactions without being affected. They are formed into a honeycomb shape. They are metals. They help produce less harmful gasses.
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…
Gravimetric analysis of Fe3O4 (MW = 232 g/mole) may be undertaken with the following reactions: Fe3O4 → Fe2O3 → Fe (OH)3. Weight of sample containing 8.00% Fe3O4 that must be taken to obtain a precipitate of Fe(OH)3 (MW = 107 g/mole) that weighs 150 mg is . a. 0.108 g b. 0.325 g c. 1.355 g d. 4.065 g Amount of Fe2O3 (MW = 160 g/mole) from which 150 mg of Fe(OH)3 (MW = 107 g/mole) may be obtained is . a. 0.112 g b. 0.224 g c. 0.448 g d. none of the other choices
Please answer question 76, please and thank you!
७.ग. 4.74 x 100 = 22.217. 4. Bleach products are sold as 5.25-7.5% hypochlorite concentration depending on whether they are "regular" or "extra-strength"? How do your mass percentages compare to these values? One of my valves falls into that range but the other two fall a little short. 5. Bleach products slowly decompose over time eventually rendering them useless. What steps can be taken to slow this (think back to the chapter on Kinetics) when storing your bleach product? The bleach products could be stored at a certain temperature and kept away from the light. This will help slow the decomposition. 6. As mentioned in the introduction, one type of bleach alternative uses hydrogen peroxide to remove stains. The H₂O2 in the product can be titrated with the MnO4 under acidic conditions by the reaction: 5 H₂O2(aq) + 2 MnO4 (aq) + 6 H* (aq) 5 02(g) + 2 Mn+2 (aq) + 8 H₂O(). If a 0.505g sample of a product containing H₂O₂ required 16.55mL of a 0.01158M MnO4 solution to reach the end point,…
19.
Consider the microbial conversion of glucose to L-glutamic acid, as shown below. Assume that initially the bioreactor contains 200 kg of glucose, 15 kg of ammonia and 54 kg of O2. C6H1206 + NH3 +1.5 O2 →C5H9NO4+ CO2 + 3H2O glucose ammonia glutamic acid a) Which reactant is limiting? b) What is the percentage excess of the other reactants? c) If the reaction proceeds to completion, how much of the excess reactants will be left; how much L-glutamic acid will be formed; and what is the extent of reaction ? d) If the reaction proceeds to a point where the conversion of the limiting reactant is 33%, how much of each reactant and product is present at the end, and what is the extent of reaction E ? e) If the reaction proceeds to a point where 35 kg of O2 is left, what is the fractional conversion of glucose? What is the fractional conversion of O2? What is the extent of reaction E ?
The hydrated salt, MY3·xH2O, was heated strongly in a crucible to remove all the water molecules of crystallization. The data for this experiment are given in the table below.Mass of empty crucible and cover 28.86 gMass of crucible, cover, and hydrated salt 32.86 gMass of crucible, cover, and anhydrous salt 31.24 gMolar mass of anhydrous salt 238.03 g/mol (i) Calculate the % composition by mass of water in the hydrated salt. (ii) Determine the value of x. (iii) M is in Period 4 of the Periodic Table of the Elements.If Y = NO3– , identify the element M.

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