The combustion of a hydrocarbon produces 66.02 g CO2 (molecular weight 44.01 g/mol) and 13.51 g H2O (molecular weight 18.01 g/mol). It's empirical formula must be: А. CH В. СаН C. CH2 D. C3H2 E. none of the above.

The combustion of a hydrocarbon produces 66.02 g CO2 (molecular weight 44.01 g/mol) and 13.51 g H2O (molecular weight 18.01 g/mol). It's empirical formula must be: А. CH В. СаН C. CH2 D. C3H2 E. none of the above.

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...

See similar textbooks

Similar questions

Zinge
a. Piperidine, a starting compound for drugs, consists of C, H, and N. Combustion of such compounds yields CO2, H2O, and N2 as products. If the combustion of 9.71 mg of piperidine yields 11.3 mg H2O and 1.60 mg N2, what is its empirical formula? (Enter the elements in the order: C, H, N.) Empirical formula: b. The molecular weight of piperidine is 85.2 amu. What is its molecular formula? (Enter the elements in the order: C, H, N.) Molecular formula:
C3H8(g) + O2(g) ------> CO2(g) + H2O(g) a. Balance the reaction: b. Determine the limiting reactant from 20.0 grams of each starting reactant: c. Calculate the theoretical yield of CO2(g) in grams: d. Calculate the percent yield if the actual yield was 10.7 grams:
Answer the questions about the balanced reaction ЗА + 2В — 1C + 100. cal How many moles of A are required to react with 2 mole of B ? How many moles of A are required to react with 4 moles of B ? Is the relationship between moles of A and Ca direct proportion ? а. О b. 1 с. 2 d. 3 е. 4 f. 5 g. 6 h. 7 i. yes j. no
A. What is the mass of CO2 produced when 15.2 g of O2 reacts with 13.0 g of C7H12? C7H12 (l) + 10 O2 (g) ---- 7CO2 (g) + 6 H2O(g) ______ g
N2(g) + 3H2(g) → 2NH3(g) Supposed you start with 3.00moles of hydrogen and nitrogen:a. Which would be the limiting reagent?b. How many moles of ammonia would be produced?c. What is the theoretical yield in grams?
21. Tungsten reacts with Cl2 to form WCl6 according to the following balanced equation: W + 3 Cl2 ==> WCl6 Determine the mass of WCl6 that forms when 231.80 g of W completely react. Molar Mass, g/mol W 183.91 Cl2 70.91 WCl6 396.56
26) (CH2CI2). Consider the following two-step preparation of dichloromethane (step 1) CH4 Cl2 CH;CI HCI + (step 2) CH;CI Cl2 CH2CI2 HCI If each reaction, carried out in the presence of excess Cl2, gives a 90% yield of products, what is the maximum number of grams of dichloromethane that can be produced from 9.5 g of CH4. Show your calculations. Answer:
2NH3 --> N2 + 3H2 4 moles of NH3 decompose. How many grams of H2 are produced?
d. Agt (6 pts) When an unknown hydrocarbon (Hy) is combusted and 6.309 g CO2 is produced. What is the empirical formula hol c. Na+ e. Cu²+ in excess oxygen, 3.444 g H₂O of the compound?
4. One mole of CO, (9) molecules contains 6.02 x 10ª CO2 9) molecules. a. true b. false 5. Which of the following samples contains the same number of atoms as 40.00 g of Ne a. 4.00 g of He b. 24.00 g of Mg. c. 40.00 g of C () d. 80.00 g of Ar a 6. When 75 mL of 0.15-mol/L HCI is diluted with distilled water to a final volume of 150 mL, the concentration of HCI is reduced to a. 0.12 mol/L b. 0.10 mol/L c. 0.050 mol/L d. 0.075 mol/L What mass of copper is consumed when 15.0 g of nitric oxide, NO g, is produced according to the following balanced equation? 7. 3 Cu p + 8 HNO, (a9) → 3 Cu(NO,).(ag) + 4 H,O, + 2 NO ) a. 15.0 g b. 22.5 g c. 47.6 g d. 192 g 8. For a neutral solution, which of the following statements is true? a. The concentration of hydrogen ions, [H'], equals 1 x 10* mol/L. b. The pH of a neutral solution is 7.0. c. The concentration of hydrogen ions, [H°], equals the concentration of hydroxide ions, (OH]. d. all of the above 9. A titration is a lab procedure that involves…
Empirical Formula: Simplest ratio or simplest form of a molecular formula. Type I: Write the Empirical formula of the following compounds by simplifying: 1. GH6 2. KSO4 H O 3. Н-С — С— он