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* 15.39 x - Question 7 (1 point) Manganese(II) oxide can react with oxygen to form...
Question 9 (1 point) Use the following equations to calculate the molar enthalpy of formation for manganese(IV) oxi...
Question 9 (1 point) Use the following equations to calculate the molar enthalpy of formation for manganese(IV) oxide, MnO2(s). MnO2(s) --> MnO(s) + 1/2O2(g) AH1 = 132 kJ/mol MnO2(s) + Mn(s) --> 2MnO(s) AH2 = -240 kJ/mol O +504 kJ/mol 0-504 kJ/mol 0-24.0 kJ/mol +24.0 kJ/mol 0-372 kJ/mol
19) When lead (II) oxide, PbO, is allowed to react with oxygen, O2, at a temperature...
19) When lead (II) oxide, PbO, is allowed to react with oxygen, O2, at a temperature of 823 K and standard pressure through the reaction PbO(s) + 420 (g) = PbO (5) the partial pressure of oxygen at equilibrium is 11.6 Pa. Determine the standard Gibbs energy of reaction at this temperature. a) -31.0 kJ mol b) 62.0 kJ mol-' 9-20.8 kJ mol'. d) -41.4 kJ mol-'
When lead (II) oxide, PbO, is allowed to react with oxygen, O2, at a temperature of...
When lead (II) oxide, PbO, is allowed to react with oxygen, O2, at a temperature of 723 K and standard pressure through the reaction PbO(s) + ½O2(g) ⇄ PbO2(s) the partial pressure of oxygen at equilibrium is 9.6 Pa. Determine the standard Gibbs energy of reaction at this temperature.
Question 10 Even in basic solution, MnO, can oxidize water. One product is manganese(IV) oxide. Write...
Question 10 Even in basic solution, MnO, can oxidize water. One product is manganese(IV) oxide. Write a balanced chemical equation for the reaction Mnog (aq) + 6H20(1) - MnO2(5) + 2H2(g) + SOH(aq) 4Mno. (aq) + 2H,0(1) --- 4MnO (5) + 302(g) + 40H (ag) 4Mno. (aq) + H20(1) - 4MnO(s) + O2(g) +2014(aq) 2MnO4 (aq) + 2H20(1) --- 2Mn?"(aq) + 302(g) + 4OH(aq) Mno," (aq) +H:0(1) --- MnO (s) +H3(e) -OH(aq)
Magnesium oxide can be made by heating magnesium metal in the presence of the oxygen. The...
Magnesium oxide can be made by heating magnesium metal in the presence of the oxygen. The balanced equation for the reaction is 2 Mg(s)+O2(g) 2 MgO(s) Consider that you react 12.62 g Mg with 13.08 g O2 gas. What is the theoretical yield of MgO that can be generated from this reaction? Enter a numerical answer only to three significant figures, in terms of grams.
Zinc sulfide and Oxygen gas reacted to form zinc oxide and sulfur dioxide. 7. How much...
Zinc sulfide and Oxygen gas reacted to form zinc oxide and sulfur
dioxide.
7. How much heat will be released if 30.0 g of octane (C,H,s) is burned in excess oxygen? CH + 12 1/2 0, + 8 CO + 9 H2O AH = -5483.4 kJ How much heat would be released by burning one gallon of octane? The density of octane is 0.703g/mL. 1 gallon = 3.79 liters.
Question 5 Solid aluminum and gaseous oxygen react in a combination reaction to produce aluminum oxide: 4Al(s) + 3...
Question 5 Solid aluminum and gaseous oxygen react in a combination reaction to produce aluminum oxide: 4Al(s) + 302 (g) → 2A1203 (s) The maximum amount of A1203 that can be produced from 2.5 g of Al and 2.5 g of O2 is 5.0 ③ 4.7 3 9.4 * 5.3 * 7.4 Question 3 -/1 The combustion of ammonia in the presence of excess oxygen yields NO2 and H20: 4 NH3(g) + 7 02 (g) → 4NO2(g) + 6H20 (g)...
Question 1 1 pts Fine wires of magnesium burn readily in oxygen to produce magnesium oxide....
Question 1 1 pts Fine wires of magnesium burn readily in oxygen to produce magnesium oxide. If 15.8 g of Mg are reacted with 9.69 g of Oz in a sealed reaction vessel, what is the mass of MgO produced? (Fill in only number, 3 sig figs) Question 2 1 pts Manganese(II) sulfate is produced in the following reaction: 5 H2C204(aq) + 2 KMnO4(aq) + 3 H2SO4 (aq) → 10C026 + 2 MnSO4(09) + K3504 (aq) + 8 H20 10...
QUESTION 2 Colorless gas nitric oxide gas, NO, can react with oxygen to form the brown...
QUESTION 2 Colorless gas nitric oxide gas, NO, can react with oxygen to form the brown gas nitrogen dioxide, NO2, as shown below: 2 NO(g)O2(g) -»2 NO2(g). Suppose you wanted to carry out this reaction in the laboratory. You could filled one gas syringe with 100. mL of nitric oxide and another with 125. mL of oxygen gas. When you connected the syringes and mixed the gases, the reaction mixture changes to a brown color indicating the the reaction had...
Question 1 (1 marks) Tron (II) sulfide can react with carbonic acid, H2CO3, according to the...
Question 1 (1 marks) Tron (II) sulfide can react with carbonic acid, H2CO3, according to the reaction shown. 2 FeS (s) + H2CO3 (aq) + 2 FeO (s) + 1/n (CH2O)n (aq) + 2 S (s) NO a) Calculate the mass (g) of iron (II) oxide produced when 10.20 g iron (II) sulfide and 1.450 mol carbonic acid are reacted. The reaction results in a 87.5 % yield of product formed. b) If the carbon containing product has a molar...
Question 9 (1 point) Use the following equations to calculate the molar enthalpy of formation for manganese(IV) oxide, MnO2(s). MnO2(s) --> MnO(s) + 1/2O2(g) AH1 = 132 kJ/mol MnO2(s) + Mn(s) --> 2MnO(s) AH2 = -240 kJ/mol O +504 kJ/mol 0-504 kJ/mol 0-24.0 kJ/mol +24.0 kJ/mol 0-372 kJ/mol
19) When lead (II) oxide, PbO, is allowed to react with oxygen, O2, at a temperature of 823 K and standard pressure through the reaction PbO(s) + 420 (g) = PbO (5) the partial pressure of oxygen at equilibrium is 11.6 Pa. Determine the standard Gibbs energy of reaction at this temperature. a) -31.0 kJ mol b) 62.0 kJ mol-' 9-20.8 kJ mol'. d) -41.4 kJ mol-'
Question 10 Even in basic solution, MnO, can oxidize water. One product is manganese(IV) oxide. Write a balanced chemical equation for the reaction Mnog (aq) + 6H20(1) - MnO2(5) + 2H2(g) + SOH(aq) 4Mno. (aq) + 2H,0(1) --- 4MnO (5) + 302(g) + 40H (ag) 4Mno. (aq) + H20(1) - 4MnO(s) + O2(g) +2014(aq) 2MnO4 (aq) + 2H20(1) --- 2Mn?"(aq) + 302(g) + 4OH(aq) Mno," (aq) +H:0(1) --- MnO (s) +H3(e) -OH(aq)
Magnesium oxide can be made by heating magnesium metal in the presence of the oxygen. The balanced equation for the reaction is 2 Mg(s)+O2(g) 2 MgO(s) Consider that you react 12.62 g Mg with 13.08 g O2 gas. What is the theoretical yield of MgO that can be generated from this reaction? Enter a numerical answer only to three significant figures, in terms of grams.
Zinc sulfide and Oxygen gas reacted to form zinc oxide and sulfur
dioxide.
7. How much heat will be released if 30.0 g of octane (C,H,s) is burned in excess oxygen? CH + 12 1/2 0, + 8 CO + 9 H2O AH = -5483.4 kJ How much heat would be released by burning one gallon of octane? The density of octane is 0.703g/mL. 1 gallon = 3.79 liters.
Question 5 Solid aluminum and gaseous oxygen react in a combination reaction to produce aluminum oxide: 4Al(s) + 302 (g) → 2A1203 (s) The maximum amount of A1203 that can be produced from 2.5 g of Al and 2.5 g of O2 is 5.0 ③ 4.7 3 9.4 * 5.3 * 7.4 Question 3 -/1 The combustion of ammonia in the presence of excess oxygen yields NO2 and H20: 4 NH3(g) + 7 02 (g) → 4NO2(g) + 6H20 (g)...
Question 1 1 pts Fine wires of magnesium burn readily in oxygen to produce magnesium oxide. If 15.8 g of Mg are reacted with 9.69 g of Oz in a sealed reaction vessel, what is the mass of MgO produced? (Fill in only number, 3 sig figs) Question 2 1 pts Manganese(II) sulfate is produced in the following reaction: 5 H2C204(aq) + 2 KMnO4(aq) + 3 H2SO4 (aq) → 10C026 + 2 MnSO4(09) + K3504 (aq) + 8 H20 10...
QUESTION 2 Colorless gas nitric oxide gas, NO, can react with oxygen to form the brown gas nitrogen dioxide, NO2, as shown below: 2 NO(g)O2(g) -»2 NO2(g). Suppose you wanted to carry out this reaction in the laboratory. You could filled one gas syringe with 100. mL of nitric oxide and another with 125. mL of oxygen gas. When you connected the syringes and mixed the gases, the reaction mixture changes to a brown color indicating the the reaction had...
Question 1 (1 marks) Tron (II) sulfide can react with carbonic acid, H2CO3, according to the reaction shown. 2 FeS (s) + H2CO3 (aq) + 2 FeO (s) + 1/n (CH2O)n (aq) + 2 S (s) NO a) Calculate the mass (g) of iron (II) oxide produced when 10.20 g iron (II) sulfide and 1.450 mol carbonic acid are reacted. The reaction results in a 87.5 % yield of product formed. b) If the carbon containing product has a molar...
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