Homework Answers
Organic compounds on complete combustion produce carbon dioxide
and water.
To balance a chemical equation
count the number of atoms of each element on both sides of the
reaction and equalise them by adding suitable coefficients.
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7. Complete and balance the reaction for the complete combus- tion of the following fuels: (a)...
Answer questions 7 and 8) based on this energy diagram 14. Choose the correct structure for:...
Answer questions 7 and 8) based on this energy diagram 14. Choose the correct structure for: trans-1,3-diethylcyclopentane CH.CH CHOM CHCH Energy CHOH B. оцон CH.CH 7. How many transition states are there in this reaction? a. 1 b. c. 4 d. 2 15. Which of these Newman projections show bromine antiperiplanar to one another? H-9 8. What type of reaction is this? a. endergonic b. exergonic c. isogonic d. hypertonic BC 9. Which alkane will have the highest boiling point?...
7. Balance the combustion reaction of propane: C3He
7. Balance the combustion reaction of propane: C3He
Many power plants produce energy by burning carbon-based fuels, which also produces carbon dioxide Carbon dioxide...
Many power plants produce energy by burning carbon-based fuels, which also produces carbon dioxide Carbon dioxide is a greenhouse gas, so over-production can have negative effects on the environment. Use enthalpy of formation data to calculate the number of moles of CO2(g) produced per megajoule of heat released from the combustion of each fuel under standard conditions (1 atm and 25 °C). (a) coal, C(s, graphite); (b) natural gas, CH4(g): Number Number mol MJ1 mol MJ (c) propane, C3Hs(g); (d)...
1. Balance the following equation in acid: 2. Consider the following reaction; how many Kj are...
1.
Balance the following equation in acid:
2. Consider the following reaction; how many Kj are released
for 1 mol c2h2
3. Calculate delta H for the reaction
1. Balance the following equation in acid: 2. Consider the following reaction: 2C2H2(g)+502(g)- 4C028)+2H20(g) AH--2511 kJ How many kJ are released for 1 mol C2H2? 3. Given the following data: 3C(gr) + 4H2 (g) C3Hs(g) AH--103.85 kJ C(gr) + O2(g)-Co2(g) AH--393.67 kJ 2H2(g) +02(g)-> 2H20() ΔΗ-,-571.5 kJ Calculate AH for the following...
Classify the following compounds as potential fuels and non-fuels. 3) (1) classify the following compounds as...
Classify the following compounds as potential fuels and non-fuels.
3) (1) classify the following compounds as potential fuels and non-fuels. A) H2 B) CO2 C) C3Hg D) CCl4 E) H20 F) HCI G) C H) CoH120 ID C&His Answer: Answer: Answer: Answer Answer: Answer: Answer: Answer: Answer:
5.59 Provide the products and balance the following reac tion for the complete combustion of pentane,...
5.59 Provide the products and balance the following reac tion for the complete combustion of pentane, C;H12 Identify the reactant that is oxidized and the reactant 5.65 that is reduced. CsH12) 02() 5.60 Provide the products and balance the following reac- tion for the complete combustion of the fatty acid octanoic acid, C H1602. Identify the reactant that is oxidized and the reactant that is reduced. CgH1602(s) O2 (g) 5.62 Identify the reactant that is oxidized and the reactant that...
5. Which compound in each of the following pairs, if either, would have the higher solubility...
5. Which compound in each of the following pairs, if either, would have the higher solubility in water? your answers briefly a) propane or ethanol b) ethanol or eicosane (CoH42) (Wikipedia will give you the BP for both. This is the only question you need to look up BP's for.) b) 2-butanol or 2-heptanol c) ethyl propyl ether or 1-pentanol d) diethyl ether or 1-decanol e) 1-butanol (aka n-butyl alcohol) and +butyl alcohol
14) Which of the following reagents would react with a primary alcohol to produce an aldehyde as the final product?...
14) Which of the following reagents would react with a primary alcohol to produce an aldehyde as the final product? A) PCC B) H2SO4 C) H2Cr04 D) CH3MgBr, followed by HCI - 15) Which one of the following is not oxidized by K2Cr2O7 in H2SO4/H20? A) isobutyl alcohol B) tert-butyl alcohol C) sec-butyl alcohol D) n-butyl alcohol 16) Which of the following methods will NOT produce an alcohol as the product? A) hydroboration-oxidation of an alkene B) oxidation of an...
Which solvent (acetone or t-butyl alcohol) would be better to carry out the following reaction? Why?...
Which solvent (acetone or t-butyl alcohol) would be better to carry out the following reaction? Why? Draw the complete mechanism of this reaction using generic base B. CI
24. Draw the structures for 4 of the following 5 compounds. a. 4-(1,1-dimethylethyl)heptane b. 2,...
PLEASE PROVIDE EXPLANATION
24. Draw the structures for 4 of the following 5 compounds. a. 4-(1,1-dimethylethyl)heptane b. 2,6-dimethyl-4-(2-methylpropyl)decane c. 1-bromo-4-(3,3,3-trifluoro-2-methylpropyl)-7-fluorooctane d. 6-ethyl-2,6,7-trimethyl-5-propylnonane e. 4-sec-butyl-1,2-dimethylcyclohexane
24. Draw the structures for 4 of the following 5 compounds. a. 4-(1,1-dimethylethyl)heptane b. 2,6-dimethyl-4-(2-methylpropyl)decane c. 1-bromo-4-(3,3,3-trifluoro-2-methylpropyl)-7-fluorooctane d. 6-ethyl-2,6,7-trimethyl-5-propylnonane e. 4-sec-butyl-1,2-dimethylcyclohexane
Answer questions 7 and 8) based on this energy diagram 14. Choose the correct structure for: trans-1,3-diethylcyclopentane CH.CH CHOM CHCH Energy CHOH B. оцон CH.CH 7. How many transition states are there in this reaction? a. 1 b. c. 4 d. 2 15. Which of these Newman projections show bromine antiperiplanar to one another? H-9 8. What type of reaction is this? a. endergonic b. exergonic c. isogonic d. hypertonic BC 9. Which alkane will have the highest boiling point?...
7. Balance the combustion reaction of propane: C3He
Many power plants produce energy by burning carbon-based fuels, which also produces carbon dioxide Carbon dioxide is a greenhouse gas, so over-production can have negative effects on the environment. Use enthalpy of formation data to calculate the number of moles of CO2(g) produced per megajoule of heat released from the combustion of each fuel under standard conditions (1 atm and 25 °C). (a) coal, C(s, graphite); (b) natural gas, CH4(g): Number Number mol MJ1 mol MJ (c) propane, C3Hs(g); (d)...
1.
Balance the following equation in acid:
2. Consider the following reaction; how many Kj are released
for 1 mol c2h2
3. Calculate delta H for the reaction
1. Balance the following equation in acid: 2. Consider the following reaction: 2C2H2(g)+502(g)- 4C028)+2H20(g) AH--2511 kJ How many kJ are released for 1 mol C2H2? 3. Given the following data: 3C(gr) + 4H2 (g) C3Hs(g) AH--103.85 kJ C(gr) + O2(g)-Co2(g) AH--393.67 kJ 2H2(g) +02(g)-> 2H20() ΔΗ-,-571.5 kJ Calculate AH for the following...
Classify the following compounds as potential fuels and non-fuels.
3) (1) classify the following compounds as potential fuels and non-fuels. A) H2 B) CO2 C) C3Hg D) CCl4 E) H20 F) HCI G) C H) CoH120 ID C&His Answer: Answer: Answer: Answer Answer: Answer: Answer: Answer: Answer:
5.59 Provide the products and balance the following reac tion for the complete combustion of pentane, C;H12 Identify the reactant that is oxidized and the reactant 5.65 that is reduced. CsH12) 02() 5.60 Provide the products and balance the following reac- tion for the complete combustion of the fatty acid octanoic acid, C H1602. Identify the reactant that is oxidized and the reactant that is reduced. CgH1602(s) O2 (g) 5.62 Identify the reactant that is oxidized and the reactant that...
5. Which compound in each of the following pairs, if either, would have the higher solubility in water? your answers briefly a) propane or ethanol b) ethanol or eicosane (CoH42) (Wikipedia will give you the BP for both. This is the only question you need to look up BP's for.) b) 2-butanol or 2-heptanol c) ethyl propyl ether or 1-pentanol d) diethyl ether or 1-decanol e) 1-butanol (aka n-butyl alcohol) and +butyl alcohol
14) Which of the following reagents would react with a primary alcohol to produce an aldehyde as the final product? A) PCC B) H2SO4 C) H2Cr04 D) CH3MgBr, followed by HCI - 15) Which one of the following is not oxidized by K2Cr2O7 in H2SO4/H20? A) isobutyl alcohol B) tert-butyl alcohol C) sec-butyl alcohol D) n-butyl alcohol 16) Which of the following methods will NOT produce an alcohol as the product? A) hydroboration-oxidation of an alkene B) oxidation of an...
Which solvent (acetone or t-butyl alcohol) would be better to carry out the following reaction? Why? Draw the complete mechanism of this reaction using generic base B. CI
PLEASE PROVIDE EXPLANATION
24. Draw the structures for 4 of the following 5 compounds. a. 4-(1,1-dimethylethyl)heptane b. 2,6-dimethyl-4-(2-methylpropyl)decane c. 1-bromo-4-(3,3,3-trifluoro-2-methylpropyl)-7-fluorooctane d. 6-ethyl-2,6,7-trimethyl-5-propylnonane e. 4-sec-butyl-1,2-dimethylcyclohexane
24. Draw the structures for 4 of the following 5 compounds. a. 4-(1,1-dimethylethyl)heptane b. 2,6-dimethyl-4-(2-methylpropyl)decane c. 1-bromo-4-(3,3,3-trifluoro-2-methylpropyl)-7-fluorooctane d. 6-ethyl-2,6,7-trimethyl-5-propylnonane e. 4-sec-butyl-1,2-dimethylcyclohexane
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