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- Talekscgi/x/isl.exe/1o_u-IgNslkr7j8P3jH-lijkPWvZoZLqKt1FLlq7wcPWKzBYGfE9|MFjsQhiPIfMWUZOfGOOH90 O STOICHIOMETRY Using the Avogadro Number A virus has a mass of 9.0 × 10 12 mg and an oil tanker has a mass of 3.0 × 1o' kg. Use this information to answer the questions below. Be sure your answers have the correct number of significant digits. What is the mass of 1 mole of viruses? Round your answer to 2 significant digits. How many moles of viruses have a mass equal to the mass of an oil tanker? Round your answer to 2 significant digits.TTTTT 3. Jeanette wants to prepare a 0.125 mol/L solution of sucrose C12H22O11. The desired volume Jeanette wants to make is 50 ml. Formula Mass= Volume (L)= Moles Sucrose = Mass Sucrose= 0.050 L of water (solvent) ? Mass of Sucrose Formula Mass= Volume (L) - Moles LI SO Mass Li₂SO. = Mass of 0.050 L of 0.125 mol/L Sucrose 4. Grover wants to prepare a 6.00 mol/L solution of Li,SO.. The desired volume Grover wants to make is 500 ml. Li-SO Show work in this space SLIVEWORKSHEETS Show work in this spaceJset2_5zKMTIDEhEBBQc5Ge4YwKAkK5h... O CHEMICAL REACTIONS Solving for a reactant using a chemical equation Ammonium perchlorate (NH CIO,) is the solid rocket fuel used by the U.S. Space Shuttle. It reacts with itself to produce nitrogen gas (N,), chlorine gas (Cl,), oxygen gas (0,), water (H,O), and a great deal of energy. What mass of water is produced by the reaction of 2.59 g of ammonium perchlorate? Be sure your answer has the correct number of significant digits. Explnation Check 2022 McGraw Hill LLC All Righnts Reserved Terms of Use Privacy Cen
- 2-1. Write and balance the equation if provided; Use the coefficients to write the molar ratios (aka stoichiometry) among substances involved in the equation. i.e., Balanced equation: x A + y B z C, Stoichiometry: x mol A = y mol B = z mol CBalanced equation:_____ H2 (g) + _____ N2 (g) → _____ NH3 (g)Stoichiometry (molar ratios):______ mol H2 ______ _____ N2 ______ ______ NH3college.com/course.html?courseld=15539865&Heplb=67br| Sugar O Shop | Origami Owl Wholesale Glass... 5 The Corinthian Ho... Personalized Invi... TUII Z TJ TUT CTLIVT Course HomePage < 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)2Mass of Na2CO3.H2O (g) = 2.12g (g) Mass of the CaCl2.2H2O (g) = 1.98g Mass of the top funnel + filter paper (g) = 15.85g Mass of top funnel + filter paper + CaCO3 collected (g) = 17.81g CaCl2 + Na2CO3 ==== CaCo3 + 2NaCl Moles Na2CO3 reacting? Moles CaCO3 reacting? Moles CaCO3 produced by the LR? Theoretical yield in moles and grams? Reagent in excess? Moles of reagent in excess left unreacted? Mass of precipitate? Experimental yield? Percent yield?Stoichiometry and balanced equations make it possible to use one piece of information to calculate another. There are countless ways stoichiometry can be used in chemistry and everyday life. Try and see if you can use what learned to solve the following problems. you ations not alid 2) tion 1O' must moles . alow. CH4(9)+Uz\9/ A 0.777g sample of an organic 5) compound is burned completely. It produces 1.42g CO2 and 0.388g H20. Knowing that all the carbon and hydrogen atoms in CO2 and H2O came from the 0.777g sample, what is the empirical formula of the organic compound?Mass of Na2CO3.H2O (g) = 2.12g (g) Mass of the CaCl2.2H2O (g) = 1.98g Mass of the top funnel + filter paper (g) = 15.85g Mass of top funnel + filter paper + CaCO3 collected (g) = 17.81g CaCl2 + Na2CO3 ==== CaCo3 + 2NaCl Moles CaCO3 produced by Na2CO3 (if all Na2CO3 reacts)? Moles CaCO3 produced by Na2CO3 (if all CaCl2 reacts)? What is the Limiting Reagent? Moles Na2CO3 reacting? Moles CaCl2 reacting?What quantity of carbon dioxide, CO2 (in grams) would be required to convert 5.60 g of 2-bromopropane to the carboxylic acid named isobutyric acid? [Enter a value with 3 sig figs and do not include any units] 1. Mg, Et,O 2. CO2 3. Н" он Br 2-bromopropane (MW = 122.9 g/mol) isobutyric acid (MW = 88.05 g/mol)Blackboard Learn → C Gmail < app.101edu.co YouTube X STARTING AMOUNT Aktiv Chemistry Maps Welcome to MyTCC X W S #1 X E D X b Home | bartleby 403 Forbidden: Ac... ADD FACTOR x() 32.91 g CO₂ R Determine the mass in grams of CO₂ that are produced by the complete reaction of 10.49 grams of C«Hu (cyclohexane) according to the following combustion reaction: F 0.1246 44.01 mol CO₂ CH()+9 O:(g) 6 CO2(g) + 6 H₂O(g) → T V 5.486 g O₂ 84.16 X 6 G Question 45 of 50 18.02 g H₂O Your Sets | Quizlet Y 10.49 B 7 ASUS ANSWER 32.00 mol O₂ H 6 mol H.O 8 N J 1 9 X 1 RESET 2 9 C«Hu 6.022 x 10 Sign In or Sign Up | Chegg.cc X + Q☆ K M mol CH 15 O O 10 P @Window Help ered: eq req Ereg Important values if needed... | b... M M 2req 2req 2req =2req M Visited MAY 11 S prod01-cnow-owl.cengagenow.com Submit Answer 85 According to the following reaction, how many moles of carbon dioxide will be formed upon the complete reaction of 32.0 grams of carbon monoxide with excess oxygen gas? 2CO(g) + O2(g) → 2CO2(g) mol carbon dioxide Retry Entire Group A 6 [Review Topics] [References] Use the References to access important values if needed for this question. Module 2 | OWLv2 MacBook Pro & 87 9 more group attempts remaining * CO € 8 A S OWLV2 | Online teaching and learning resource from C... N Previous Email Instructor Next Thu May 11 10:3 zoom □ + 0 Save and Exit + 11 bl 2 201 ngsSEE MORE QUESTIONS
