Concept Check #6 - (Heat)

all one question, draw products

X H Sofia uustil ailalysIS 6.50 g of a certain Compound X, known to be made of carbon, hydrogen and perhaps oxygen, and to have a molecular molar mass of 44. g/mol, is burned completely in excess oxygen, and the mass of the products carefully measured: product mass carbon dioxide 19.50 g water 10.65 g Use this information to find the molecular formula of X Ar Check Terms of Use Privacy Explanation O 2019 McGraw-Hill Education. All Rights Reserved. 11:14 PM 4x 12/3/2019 17 e 99+ O Type here to search hp end pg u home ins prt sc delete f12 fio fi1 f9 f8 f6 f4 f5 f2 f3 ?

Add Stoichmetric factor:  ______CH3CH2OH + _______O2 yields ________CO2 + _______H20

18. Balance the following chemical equation for the stoichiometric combustion of methane with oxygen. ____  CH4(g) +  ______O2(g) ⟶   ______   CO2(g)+  ______H2O(g) What are the coefficients for O2(g) and CO2 (g)?

work Due in 2 days !! U8HW Question 7 Homework ⚫Answered Due Mar 19th, 11:59 PM Fill in the Blanks ☐ 13/16 answered NaHCO3(aq) + __HCl(aq) → H2CO3(aq) + __ NaCl(aq) _ Type your answers in all of the blanks and submit X₂ x² Q- If you want to produce 18.48 grams of NaCl, what is the minimum amount of each reactant that you must start with? NaHCO3: 35.45 HCI: 2 % 95 5 You are incorrect You are incorrect grams × grams MacBook Air AA DII DA 4 F9 F10 < 1/10 F8 F6 F7 F5 66 T Y 27 כ 00 ( O dians v 2 4 == Open in Reading View + || F12 O P } [ ] 11

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D ← Chapter 3 Homework Question 12 of 14 View Policies Current Attempt in Progress Jud AUTOS Save for Later < 7 0 Chapter 3 Homework: Allie Burt 13 mol Cu/mol Zn education.wiley.com Ć Prince's metal, a form of brass which looks like gold, is a mixture of copper and zinc. Prince's metal is 75% copper and 25% zinc by mass. What is the mole ratio of these metals in Prince's metal? WP NWP Assessment Player Ul Application -/1 = : Attempts: 0 of 3 used Submit Answer Question 3 Multipart Question 4 Multipart Question 5 Multipart Question 6 Multipart Question 7 Multiple Choice Question 8 Numeric Fill in the Question 9 Numeric Fill in the Units Question 10 Multiple Choice Question 11 Multiple Choice Viewing Que Math Fill in the Bl Question 13 Numeric Fill in the

What are the coefficients, written from left to right, for the following chemical equation? _Fe304(5) + _C(s)→ Fe(s) +_CO2(g) O A. 1, 2, 3, 2 O B. 0, 2, 3, 2 O C. 1,3, 2, 3 O D. 1, 2, 2, 3

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Answered -Correct! U8HW Question 15 == Homework 11:59 PM Answered Due Mar 19th, Resubmit Reacting water with magnesium nitride produces ammonia (NH3) and magnesium hydroxide. If this process is 70% efficient, what mass of ammonia (in kg) can be prepared from 19.5 kg of magnesium nitride? Type your numeric answer and submit 2.28 Answered - Incorrect U8HW Question 16 K Answered Due Mar 19th, == Homework 11:59 PM ⭑ You are incorrect Resubm Open in Reading

Solid aluminum (Al) and chlorine (Cl,) gas react to form solid aluminum chloride (AICI,). Suppose you have 2.0 mol of Al and 1.0 mol of Cl, in a reactor. What would be the limiting reactant? Enter its chemical formula below. Explanation Check 2021 McGraw HEducation Al Rights Reserved Terms of Use Privacy Accessibility MacBook Pro FII F12 F10 20 FS F6 F7 esc F2 F3 F4 F1 & #3 3 4 5 7 8. 2 { Q W R. Y

Can you answer it as if you where putting it in those boxes. Set the equation up

ity 7 Problem-Solving! ctions: Show your solution in the space provided. Follow the GFFSA (Given, Find, omula, Solution, Answer) format if possible. Write your answers in the space provided. (5 points each) 1. Combustion of hydrocarbons like methane (CH4) produces two products, water (H2O) and carbon dioxide (CO2). Consider the chemical equation of this combustlon: CH4 + 2 02- CO2 + 2 H20, when 4 mol of CHa reacts with 4 mol of O2, how many moles of CO2 are formed? What is the limiting reactant? 2. How many grams of lead II chloride are produced from the reaction of 16.2 g of NaCl and 62.0 g of Pb(NO3)27 What is the limiting reactant? How much excess is left over?

please answer this properly and use the units that are asked in the answer please don't use anything else ASAp 5c please read the last bold line too ASAP   Express the number of moles to three significant figures.

* 00 Balance the following equation by writing the coefficient for BF3( g). B203( s) + HF(1) - BF3(g) + H20( 1) IIO %2# %24 & % n d f alt ctrl

Only typed answer otherwise leave it   Nuclear engineers use chlorine trifluoride in the processing of uranium fuel for power plants. This extremely reactive substance is formed as a gas in special metal containers by the reaction of elemental chlorine and fluorine. This is the reaction:______Cl2(g) + ____ F2(g) + _____ ClF3(g)When this reaction is run with 53.3 g of Cl2 and 114.0 grams of F2, what mass of chlorine trifluoride will be prepared?

* Question Completion Status: A Moving to another question will save this response. Question 26 SHOW WORK Given the following reaction: CaC 2(s) + 2H 20 - C2H 2(g) + Ca(OH) 2(aq) Assume that you place 1.85 g of calcium carbide in excess water and collect the acetylene gas over water. Calculate the maximum amount of gas that should be produced in grams round answer to 3 decimal places omit trailing zeroes The actual volume of acetylene and water vapor collected is 810 ml at 30.5°C with a pressure of 557.524 mmHg. Calculate the actual amount of gas collected(in grams) round answer to 3 decimal places omit trailing zeroes The vapor pressure of water at 30.5°C is 32.35 mmHg. Calculate the percent yield of acetylene. round answer to 2 decimal places omit trailing zeros A Moving to another question will save this response.

Calculate the mass of carbon needed to form 6.08 moles of iron according to this reaction: 2Fe2O3 + 3C --> 4Fe + 3 CO₂ Click 'add attachments to support your work' then click 'add a file' to upload your work. Your Answer: Answer units

Suppose that you heated the hydrated copper (II) sulphate in a test tube, instead of a beaker. How might this affect your results? 4 MAY 19 ... MacBook Pro & * %23 $ 2 3 4 5 6 7 E Y U G H J K C V M MOSISO command option command レー

Balance the reaction first. Show all work. Report answers in proper significant figures.

||| Initial Knowledge Check Balance the chemical equation below using the smallest possible whole number stoichiometric coefficients. Br₂ (1) + 1₂ (s) IBr; (g) Question 4 X

Table 1 1. Volume of vinegar (mL) 2. Volume of water (mL) 3. Mass of beaker with liquid (g) 4. Mass of Alka Seltzer tablet (g) 5. Total Starting Mass (g) = 3. + 4. 6. Mass of beaker with liquid after bubbles cease (g) 7. Calculated mass of CO2 lost (produced) (g) <= 5.-6. This is g CO2 8. Calculated mass of NaHCO3 reacted (g) Use Stoichiometry: g CO2 →g NaHCO3 Run 1 0.00 Run 2 0.7 5ML 10ml 30ml 136.427 146.243 30ml Run 3 Run 4 15ml 0.772 0.926 Run 5 20ml 0.929 Run 6 25ml 25ml 20ml 146.459 146.52g| 144.387 146.947 іни. Run 7 15ml 10ml 5ml Run 8 30ml 35m1 0.00 8.243g 3.2439 3.235 6.259 3.239 3.24 g 3.23g 139.87 149.486 149.48 149.75 149.617 150.207 149.884 139.179 148.7149 148.7549 148.821g|148.700g|148.270g| 148.931g|149.431g 0.917 1.937 -0.047 0.9 146.454 147.3110 3.23g 3.22g 150.53

2. When carbon disulfide burns in the presence of oxygen, sulfur dioxide and carbon dioxide are produced according to the following equation. CS, (1) + 3 0, (g) CO, (g) + 2 SO, (g) a. The actual yield of SO, is 40.5 g and the actual yield is 42.2 g. What is the percent yield? Insert photo of work here:

Commercial concentrated hydrochloric acid has the following specification: Density = 1.2 g/mL; Weight percentage is 37% w/w: Molecular weight of HCl is 36.46 g/mol. If 12.0 mL of conc HC) is added to the reaction, how many moles of HCI have been added? Report your answer to the correct number of significant figures: do not report the units in your answer.OGMU 2020 QUESTION 3 If 5.0 mL of t-pentyl alcohol are involved in the reaction, how many moles of t-pentyl alcohol are present? Round your answer to the correct number of significant figures. Do not include the units in your answer. IUPAC name of t-pentyl alcohol is 2-methyl-2-butanol.OGMU 2020 (Hint: use the CRC Handbook Of Chemistry and Physics from our online library to get the correct numerical constants.) QUESTION 4 Given that the nucleophilic substitution reaction used 5.0 mL of t-pentyl alcohol and 12.0 mL of conc. hydrochloric acid to produce t-pentyl chloride, what was the limiting reagent in the overall reaction? GMU 2020 O…