III higher solubility in water IV longer shelf life V higher energy density Which of the above options apply to biodiesel compared to petrodiesel? A. I and II only. B. I, II and V only. C. II, III and IV only D. I, II and III only. Question 5 A 90 g sample of fuel produces 149 L of CO2 at SLC when it undergoes complete combustion. The fuel could be A. ethanol B. ethane C. butane octane D. Use the following information to answer Questions 6 and 7 A common set of reactants in button batteries is zinc metal and silver oxide, Ag2O. A typical cell is shown above. The overall equation for this cell is Zn(s) + Ag2O(s) ZnO(s) + 2Ag(s) Question 6 In this cell, A. zinc ions are reduced to zinc ions at the positive electrode. B. zinc atoms are reduced to zinc ions at the positive electrode. C. silver ions are reduced to silver metal at the anode. silver ions are reduced to silver metal at the positive electrode. D. Question 7 In this cell, A. the products will have a greater level of chemical potential energy than the reactants. B. electrons will flow from the zinc atoms to the silver ions. C. the chemical potential energy is all converted to electrical energy. the insulation is used to protect the cell from extreme temperature environments. D. Question 8 In a hydrogen/oxygen fuel cell A. the overall equation will be the same in acidic or alkaline environments. B. the half-equations will be the same in acidic or alkaline environments.
III higher solubility in water IV longer shelf life V higher energy density Which of the above options apply to biodiesel compared to petrodiesel? A. I and II only. B. I, II and V only. C. II, III and IV only D. I, II and III only. Question 5 A 90 g sample of fuel produces 149 L of CO2 at SLC when it undergoes complete combustion. The fuel could be A. ethanol B. ethane C. butane D. octane Use the following information to answer Questions 6 and 7 A common set of reactants in button batteries is zinc metal and silver oxide, Ag2O. A typical cell is shown above. The overall equation for this cell is Zn(s) + Ag2O(s) ZnO(s) + 2Ag(s) Question 6 In this cell, A. zinc ions are reduced to zinc ions at the positive electrode. B. zinc atoms are reduced to zinc ions at the positive electrode. C. silver ions are reduced to silver metal at the anode. D. silver ions are reduced to silver metal at the positive electrode. Question 7 In this cell, A. the products will have a greater level of chemical potential energy than the reactants. B. electrons will flow from the zinc atoms to the silver ions. C. the chemical potential energy is all converted to electrical energy. D. the insulation is used to protect the cell from extreme temperature environments. Question 8 In a hydrogen/oxygen fuel cell A. the overall equation will be the same in acidic or alkaline environments. B. the half-equations will be the same in acidic or alkaline environments.