CHEMICAL STOICHIOMETRY Part 3 Take-Home Lecture Professor Fall 2018 Name You must submit all your work...
Balance the following equation:_____H_2(g)+_____N_2(g) rightarrow_____NH_3(g) Which is the limiting reagent, 4.43 moles of H_2 or 4.43 moles of N_2? Show work to validate answer and clearly explain your choice. Which is the limiting reagent, 5.30 grams of H_2 or 12.75 grams of N_2? Show work to validate answer and clearly explain your choice.
Which is the limiting reagent, 12.8 grams of N_2 or 5.4 grams of H_2 ? Show work to validate answer and clearly explain your choice.
Name FUL L U Stoichiometry worksheet (Lab) Please complete the following problems during lab. Do all of your work on a separate sheet of paper. Show all of your work for full credit and circle your final answer. 1) How many moles of CO2 are produced when 2.5 moles of O2 react according to the following equation? C3H8 (8) +502 (8) ► 3002 (8) + 4H20 (8) 2) In the reaction 2 C(s) + O2(g) 66.0 g of carbon monoxide?...
(Show your work and prove or disprove each multiple choice answer. Circle the best answers. ) Which of the following statements about the chemical reaction show below is true? 2 Mg(s) + O2(g) —> 2 MgO(s) a. Magnesium is the limiting reagent. b. Reacting 6 moles of oxygen gas will consume 3 moles of magnesium c. Two grams of solid magnesium will produce 2 grams of magnesium oxide d. Reacting 3 moles of solid magnesium will produce 3 moles of...
CHM1103 - EXPERIMENT 8 Section: Show your work for all calculations, you MUST justify your answer to get credit. Answers should reflect the appropriate number of significant figures and include labels. Synthesis of Acetylsalicylic Acid Determine the limiting reagent (show your work) and use it to calculate the theoretical yield of the product in grams. The density of acetic anhydride is 1.08 g/mL.
Please do step by step! Thank you! ❤️ USE THE FACTOR LABEL MMETHOD SHOW YOUR WORK CLEARLY ANSWERS WITH NO WORK SHALL NOT GET CREDIT 1. 10 Points. USE THE FACTOR LABEL METHOD SHOW YOUR WORK CLEARLY. The reaction between aluminum and iron(III) oxide can generate temperatures approaching 3000 °C and is used to weld metals: Al2O3 +2Fe 2Al + Fe2O3 In one process, 224 g of Al are reacted with 601 g of Fe2O1. (a) Determine the limiting reactant....
D. Complete the following stoichiometry problems. Show ALL of your work to receive full credit. Equations and mole-to-mole relationships 21. For the following reaction: 4Cr(s) + 302(g) → 2Cr2O3(s) a. How many moles of oxygen (O2) would react with 0.35 moles of chromium (Cr)? b. Starting with 10.4g of Oz, how many moles of Cr203 can be produced: c. How many grams of Cr metal would be needed to produce 38.2g of chromium (III) oxide? 22. Sulfuric acid (H2SO4) is...
Stoichiometry #2 At Home Practice • Show all work using the factor label method • Use units and label chemical formulas for all conversion factors • Report final answer with the correct number of significant figures, unit and chemical formula Limiting Reactant Calculations 2 NO(g) + 5 H2(g) → 2 NH3(g) + 2 H2O(g) Starting with 75.4 g NO and 15.5 g Hz, what is the theoretical yield of NH3 in grams? Calculation based upon NO Calculation based upon H2...
EXPERIMENT 9 CHEMICAL REACTIONS: STOICHIOMETRY LABORATORY REPORT Your Name TA's Name You must read pages 69 and 70 to complete the following calculations. Lab Section 1411. Date Trial #1 Trial #2 Trial #3 vol . 0.100 M K2CO, solution -1200 mL 12.00 mL mmole K2CrO vol. 0.100 M Pb(NO,), solution 10.00ml mmole Pb(NO) 12.00m 14.00 mL 20 g mass product+paper 0.579 g0.654 g mass dry filter paper 0266 mass PbCrO, collected precip. 9 mmole Pbcro, CALCULATIONS AND QUESTIONS (USE THE...
4. Consider the following chemical reaction, Na(s) + 3 Hale) - 2 NH,(g) [balanced] 15:42 g of nitrogen gas are reacted with 5.42 g of hydrogen gas, which of the reactants is the limiting reactant? Use the molar mass data below if necessary. Show all your work to explain your answer. (24 points) Molar mass of N7 - 28.02 g/mol Molar mass of H; -2.02 g/mol Molar mass of NH) - 17.04 g/mol | N2 + 3H₂ → 2NH3 |...