Aspire E 15 USB 3.1 Day 7. Write the empirical formula for the following compounds. (a)...
7. Write the empirical formula for the following compounds. (a) naphthalene, CHE (b) pyrene, Chio (c) N:02 (d) glucose, C.H1206 8. Complete and balance the following chemical equations for the complete combustion of hydrocarbons. (a) CsH(g) + O2(8) - (b) CsH10 (g) + 02 (8) - 9. Calculate the percent composition of the following compounds: (a) Na:0 (b) Na2CO3 10. Which of the following hydrocarbon contains greater percentage of carbon by mass? (a) naphthalene, CiH, and (b) anthracene, CH 10
0.292 mol Empirical & Molecular Formula For the following unknown compounds, write the empirical and molecular formulas. a. 0.50 mol of hydrogen and 0.50 mol of oxygen (MW = 34.016 g/mol) b. 0.44 mol of carbon, 0.89 mol of hydrogen, and 0.45 mol of oxygen (MW = 180.156 g/mol) Writing and Balancing Chemical Equations
Find empirical formula of the following organic compounds that only carbon, hydrogen, and nitrogen based on their combustion products. Write and balance the equations of combustion. Part A. The combustion products of a 50.00 g sample are: 153.33 g of CO2 (M=44.01 g/mol), 24.41 g of H2O (M=18.015 g/mol), and 5.423 g of N2 (M=28.01 g/mol). Part B. The combustion products of a 50.00 g sample are: 143.76 g of CO2 (M=44.01 g/mol), 37.83 g of H2O (M=18.015 g/mol), and...
Write the empirical formula for at least four ionic compounds that could be formed from the following lons: CIOZ, OH®, Fe2+, Fe3+ e X 5 ? Classify each chemical reaction: reaction Na(s) + F, () NaF,(s) KOH(aq) + HBrO, (aq) + K Bro. (aq) + H,00) type of reaction (check all that apply) combination precipitation single replacement combustion double replacement acid-base decomposition combination precipitation single replacement combustion double replacement acid-base decomposition combination precipitation single replacement combustion double replacement acid-base decomposition...
g o r TOM Compounds With Common polyal... Write the empirical formula for at least four lonic compounds that could be formed from the following ions: CH,02, 107, Fe2+,Pb4+ XI ?
= Objective Knowledge Check Question 15 Write the empirical formula for at least four ionic compounds that could be formed from the following ions: Pb**, so-NH, IO.
Need help showing work for 3.1 problems A through F
formula , so we multiply the 2 to give the correct whole num empirical formula Al2Os, (Al1o01s)(2). ET 3 3.1 Determine the empirical and molecular formulas of the following substances: (a) hydrogen peroxide; 5.94% H, 94.06% 0; MM = 34.01 g mol-1 (b) disilane; 9.73% H, 90.27% Si; MM = 62.23 g mol-1 (c) benzovi peroxide; 69.42% C, 4.16% H, 26.42% 0; MM = 242.22 g mol-1 (d) phosphorus sulfide;...
Step 3 Empirical Formula is 4 In the following chemical reaction. Balance the molecular equation by adding coefficient Write the net ionic equation by adding phases. Do not write ionic Eq. (4 pts) Molecular Eq. HNO, (aq) AKOH) (aq)Al (NO (aq) HO () Net ionic Eq- In the following chemical reaction. Balance the molecular equation by adding coefficient Write the met ionmic equation by adding phases. Do not write lonic Eq (4 pts) Molecular Eq AS() KNO, (aq) Al (NOh...
PART II: Chemical Reactions of Alkanes er the products AND balance the following chemical equations. In question "D" you will need to write the entire equation, wall possible products, assume excess I, is present. Realize the actual products are a mixture of these products AND there is an example in your textbook. Heat or light A. CH4 + 12 → COMBUSTION REACTIONS: B. CH + O2 → C. CH2 + O, → (assume excess oxygen and complete combustion) D. Complete...
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questions especially with 15.c 16 and 17
15. Name these compounds. (6 marks total) a) CHz b) CH3-CH-CH-CH2-CH-CH3 CH; CH; ÇHz C2H5 CH3-CH-CH-CH2-CH-CH-CH-CH3 CH3 CH3 CH3 HH þ Ç ņ ņ H H— •— •— •— •— •—H H H H H H H H L H H. 16. Draw a structural formula for each of the following. (6 marks total) a) 3-ethyl-3-methylhexane b) l-ethyl-3-propylcyclohexane c) 2,4-dimethylheptane A saturated long-chain hydrocarbon undergoes complete combustion. Analysis...