Homework Answers
H2 : Fuel
CO2 : non fuel
C3H8 : fuel
CCl4 : non fuel
H2O : non fuel
HCl : non fuel
C : non fuel
C6H12O6 : non fuel
C8H18 : fuel
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Classify the following compounds as potential fuels and non-fuels.
3) (1) classify the following compounds as...
3. Why halogenated compounds like CCl4 act as a quencher? Explain the mechanism 4. Which of...
3. Why halogenated compounds like CCl4 act as a quencher? Explain the mechanism 4. Which of the following molecules may show infrared absorption spectra: a) H2 b) HC c) CO2 d) H20? 5. How many normal modes of vibrations are there in: a) H2 b) HCIc) CO2 d) H20?
1. Balance the following equations and classify the reaction by type (i.e. decomposition etc.) Reaction type...
1. Balance the following equations and classify the reaction by type (i.e. decomposition etc.) Reaction type a. CH12 + HCI CHCI b. HI → H2 + 12 c. FeCl3 + Na.co; ► Fez(CO3)+ NaCl d. HzAsO4 + NaOH → NasAsos + H2O e. CH10+ 02 → CO2 + H2O f. Cu + O2 → Cuo 8. HgO Hg + O₂ h. H20 Hz + O2 i. BaCl2 + Na2S → Bas + NaCl j. Na + H2O → NaOH +...
2. Classify the following as strong or weak acids/bases. Write balances equations that describe the dissociation of the compounds in water.
2. Classify the following as strong or weak acids/bases. Write balances equations that describe the dissociation of the compounds in water. a. HF b. NH3 c. NaOH d. C6H5NH2 e. HNO2 f. CH3COOH g. HCI h. H2CO3 3. Please the species in each of the following groups in order of increasing acid strength. a. HIO3, HCIO3, HBrO3 b. HF, HI, HCI c. HOCI, HOI, HOF e. H2O, H2S, H2Se f. HBO, HBrO2, HBrO4, HBrO3
10. Classify the bonds in each of the following compounds as nonpolar covalent, polar covalent, or ionic. A. H2S F....
10. Classify the bonds in each of the following compounds as nonpolar covalent, polar covalent, or ionic. A. H2S F. Naci B. CF4 G. iron (III) chloride C. CH4 H. 02 D. F2 1. Na2SO4 E. CO2 J. Carbonic acid
2. Classify the following amino acids as essential or non-essentia ids as essential or non-essential amino...
2. Classify the following amino acids as essential or non-essentia ids as essential or non-essential amino acids. b. R c. H d. D e. V f. N g. F h. I i. K j. Q K. A 198
1) Classify the following as kinetic or potential energy: Answer: Answer: A) energy stored by position...
1) Classify the following as kinetic or potential energy: Answer: Answer: A) energy stored by position B) energy in nuclear particles C) energy of a moving object D) energy in chemical bonds Answer: Answer: E) energy of a fish swimming Answer: F) energy stored in methane Answer: Answer: G) energy of a flowing river Answer: H) energy stored in glucose 1 energy of an airplane in flight Answer:
Problem 3 (5 marks): The advantage of fossil fuels is that a lot of energy can be transported in a small amount of mass...
Problem 3 (5 marks): The advantage of fossil fuels is that a lot of energy can be transported in a small amount of mass. The disadvantage is that their combustion produces CO2 (a greenhouse gas). a) Calculate how much energy is recoverable by the combustion of 1 g of octane. In a hydrogen-based economy, H2 could be produced collected and compressed so that it could be transported and burned like fossil fuels in car engines. b) How many grams of...
Ynthesis gas, a mixture that includes the fuels carbon monoxide and molecular hydrogen, is used p...
ynthesis gas, a mixture that includes the fuels carbon monoxide and molecular hydrogen, is used produce liquid hydrocarbons and methanol. It is made at pressures up to 100 atm by oxidation of methane followed by the steam re-forming and water-gas shift reactions. Because the is exothermic, temperatures reach 950 1100°C, and the conditions are such that the amounts of hydrogen, carbon monoxide, carbon dioxide, methane and water leaving the reactor are close to the equilibrium amounts for the steam re-forming...
Only need question C answered Problem 3 (5 marks): The advantage of fossil fuels is that a lot of energy can be transpor...
Only need question C answered
Problem 3 (5 marks): The advantage of fossil fuels is that a lot of energy can be transported in a small amount of mass. The disadvantage is that their combustion produces CO2 (a greenhouse gas). a) Calculate how much energy is recoverable by the combustion of 1 g of octane. In a hydrogen-based economy, H2 could be produced collected and compressed so that it could be transported and burned like fossil fuels in car engines....
Ethanol (C2H5OH) is used as an additive in many fuels today. What is AHørxn (kJ) for...
Ethanol (C2H5OH) is used as an additive in many fuels today. What is AHørxn (kJ) for the combustion of 2 moles of liquid ethanol? C2H5OH (1) + 3 O2() + 2 CO2(g) + 3 H20 (1) Formula Hºf (kJ/mol) @ 298K C2H5OH-277.6 CO2(g) -393.5 H2O () -241.8 H20 -285.8 A. -401.7 kJ B. +401.7 kJ C. -2469 kJ D. +2734 kJ E. -2734 kJ О Е ОА oc OB
3. Why halogenated compounds like CCl4 act as a quencher? Explain the mechanism 4. Which of the following molecules may show infrared absorption spectra: a) H2 b) HC c) CO2 d) H20? 5. How many normal modes of vibrations are there in: a) H2 b) HCIc) CO2 d) H20?
1. Balance the following equations and classify the reaction by type (i.e. decomposition etc.) Reaction type a. CH12 + HCI CHCI b. HI → H2 + 12 c. FeCl3 + Na.co; ► Fez(CO3)+ NaCl d. HzAsO4 + NaOH → NasAsos + H2O e. CH10+ 02 → CO2 + H2O f. Cu + O2 → Cuo 8. HgO Hg + O₂ h. H20 Hz + O2 i. BaCl2 + Na2S → Bas + NaCl j. Na + H2O → NaOH +...
10. Classify the bonds in each of the following compounds as nonpolar covalent, polar covalent, or ionic. A. H2S F. Naci B. CF4 G. iron (III) chloride C. CH4 H. 02 D. F2 1. Na2SO4 E. CO2 J. Carbonic acid
2. Classify the following amino acids as essential or non-essentia ids as essential or non-essential amino acids. b. R c. H d. D e. V f. N g. F h. I i. K j. Q K. A 198
1) Classify the following as kinetic or potential energy: Answer: Answer: A) energy stored by position B) energy in nuclear particles C) energy of a moving object D) energy in chemical bonds Answer: Answer: E) energy of a fish swimming Answer: F) energy stored in methane Answer: Answer: G) energy of a flowing river Answer: H) energy stored in glucose 1 energy of an airplane in flight Answer:
Problem 3 (5 marks): The advantage of fossil fuels is that a lot of energy can be transported in a small amount of mass. The disadvantage is that their combustion produces CO2 (a greenhouse gas). a) Calculate how much energy is recoverable by the combustion of 1 g of octane. In a hydrogen-based economy, H2 could be produced collected and compressed so that it could be transported and burned like fossil fuels in car engines. b) How many grams of...
ynthesis gas, a mixture that includes the fuels carbon monoxide and molecular hydrogen, is used produce liquid hydrocarbons and methanol. It is made at pressures up to 100 atm by oxidation of methane followed by the steam re-forming and water-gas shift reactions. Because the is exothermic, temperatures reach 950 1100°C, and the conditions are such that the amounts of hydrogen, carbon monoxide, carbon dioxide, methane and water leaving the reactor are close to the equilibrium amounts for the steam re-forming...
Only need question C answered
Problem 3 (5 marks): The advantage of fossil fuels is that a lot of energy can be transported in a small amount of mass. The disadvantage is that their combustion produces CO2 (a greenhouse gas). a) Calculate how much energy is recoverable by the combustion of 1 g of octane. In a hydrogen-based economy, H2 could be produced collected and compressed so that it could be transported and burned like fossil fuels in car engines....
Ethanol (C2H5OH) is used as an additive in many fuels today. What is AHørxn (kJ) for the combustion of 2 moles of liquid ethanol? C2H5OH (1) + 3 O2() + 2 CO2(g) + 3 H20 (1) Formula Hºf (kJ/mol) @ 298K C2H5OH-277.6 CO2(g) -393.5 H2O () -241.8 H20 -285.8 A. -401.7 kJ B. +401.7 kJ C. -2469 kJ D. +2734 kJ E. -2734 kJ О Е ОА oc OB
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