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Question 12 2 pts The reaction Na PO,+ Al(SO), AIPO, +NaySO, is an example of a...
please show all work Question 45 2 pts What is the total internal energy change (AE),...
please show all work
Question 45 2 pts What is the total internal energy change (AE), in kJ, of a system that absorbs 15.4 kJ of heat and does 21.40 kJ of work on the surroundings? O 6.0 O 36.8 -36.8 O-6.0 Question 46 2 pts What is the conjugate base of HSO4? HSO4 H2SO4 O S042 H2SO4 Given the partial pressures and concentrations for the reactants and products below, answer questions 47-49. C2O 2 HF 2F( H2C204 ( (ag)...
D Question 14 2 pts Consider the gaseous (All reactants and products are gases) equilibrium reaction...
D Question 14 2 pts Consider the gaseous (All reactants and products are gases) equilibrium reaction for the formation of SOa from SO2 and O2. (Hint: You need to write the balanced chemical equation). When 3.00 moles of SO2 and 3.00 moles of O2 are placed in a 1 L flask and allowed to reach equilibrium at a certain temperature, which one of the following is the correct the equilibrium amount of O2? Given that the equilibrium amount of SOs...
question 9,10 Page 5 of 6 9. Scott collected 6.60 L of methane at 745 torr and 25 °C, which weighed 4.24 a) (2 pts)...
question 9,10
Page 5 of 6 9. Scott collected 6.60 L of methane at 745 torr and 25 °C, which weighed 4.24 a) (2 pts) Convert the pressure to atm. b) (2 pts) Convert the temperature to K. c) (6 pts) Calculate the molar mass of methane. 10. (10 pts) Terrence finds that all gases exhibit virtually the same behavior in response to temperature and pressure changes, no matter what the gaseous compound's formula mass or shape. The physical properties...
12:47 1 Exit Question 1 0.5 pts When 34.8 g of sodium chloride is dissolved in...
12:47 1 Exit Question 1 0.5 pts When 34.8 g of sodium chloride is dissolved in water, 2.31 kJ of energy is absorbed. Is the enthalpy of dissolution of NaCl exothermic or endothermic? Endothermic Exothermic Question 2 0.5 pts What is the balanced thermochemical equation for the combustion of two moles of gaseous acetylene, C2H2, with oxygen to produce carbon dioxide and water vapor at 24.59°C given that 2512 kJ of heat is released at a constant pressure of 1.14...
2. Complete and balance this single replacement reaction (assume Zn goes to Zn) Zn+H2SO4 3. Complete and bal...
2. Complete and balance this single replacement reaction (assume Zn goes to Zn) Zn+H2SO4 3. Complete and balance this decomposition reaction: HgO 4. Name three ways you can verify that a chemical reaction has taken place. 5. Balance the following equation: Fe2O3(s) O2(g) Fe(s)+ 090ewContent40616590/View 1) At 25 C, a sample of gas occupies 2.50 L of volume. What temperature would be required to triple the volume? 2) If a 8.0 L. container of oxygen gas has a pressure of...
0/ 1 pts Question 2 During a certain titration, 35.0 mL of 0.175 M aqueous sulfuric...
0/ 1 pts Question 2 During a certain titration, 35.0 mL of 0.175 M aqueous sulfuric acid was required to exactly neutralize 49.0 mL of sodium hydroxide. Determine the molarity of the base. H2SO4 (aq) + 2NaOH(aq) + 2 H2O (0) + Na2SO4 (aq) [balanced] 0.125 M 6.00 x 10 M 0.250 M 0.175 M 0.600 M 2ct Question 6 0/1 pts Calculate the pressure exerted by 5.12 grams of chlorine gas in a 850 mL sealed flask at 27.0°C....
please show all work
Question 45 2 pts What is the total internal energy change (AE), in kJ, of a system that absorbs 15.4 kJ of heat and does 21.40 kJ of work on the surroundings? O 6.0 O 36.8 -36.8 O-6.0 Question 46 2 pts What is the conjugate base of HSO4? HSO4 H2SO4 O S042 H2SO4 Given the partial pressures and concentrations for the reactants and products below, answer questions 47-49. C2O 2 HF 2F( H2C204 ( (ag)...
D Question 14 2 pts Consider the gaseous (All reactants and products are gases) equilibrium reaction for the formation of SOa from SO2 and O2. (Hint: You need to write the balanced chemical equation). When 3.00 moles of SO2 and 3.00 moles of O2 are placed in a 1 L flask and allowed to reach equilibrium at a certain temperature, which one of the following is the correct the equilibrium amount of O2? Given that the equilibrium amount of SOs...
question 9,10
Page 5 of 6 9. Scott collected 6.60 L of methane at 745 torr and 25 °C, which weighed 4.24 a) (2 pts) Convert the pressure to atm. b) (2 pts) Convert the temperature to K. c) (6 pts) Calculate the molar mass of methane. 10. (10 pts) Terrence finds that all gases exhibit virtually the same behavior in response to temperature and pressure changes, no matter what the gaseous compound's formula mass or shape. The physical properties...
12:47 1 Exit Question 1 0.5 pts When 34.8 g of sodium chloride is dissolved in water, 2.31 kJ of energy is absorbed. Is the enthalpy of dissolution of NaCl exothermic or endothermic? Endothermic Exothermic Question 2 0.5 pts What is the balanced thermochemical equation for the combustion of two moles of gaseous acetylene, C2H2, with oxygen to produce carbon dioxide and water vapor at 24.59°C given that 2512 kJ of heat is released at a constant pressure of 1.14...
2. Complete and balance this single replacement reaction (assume Zn goes to Zn) Zn+H2SO4 3. Complete and balance this decomposition reaction: HgO 4. Name three ways you can verify that a chemical reaction has taken place. 5. Balance the following equation: Fe2O3(s) O2(g) Fe(s)+ 090ewContent40616590/View 1) At 25 C, a sample of gas occupies 2.50 L of volume. What temperature would be required to triple the volume? 2) If a 8.0 L. container of oxygen gas has a pressure of...
0/ 1 pts Question 2 During a certain titration, 35.0 mL of 0.175 M aqueous sulfuric acid was required to exactly neutralize 49.0 mL of sodium hydroxide. Determine the molarity of the base. H2SO4 (aq) + 2NaOH(aq) + 2 H2O (0) + Na2SO4 (aq) [balanced] 0.125 M 6.00 x 10 M 0.250 M 0.175 M 0.600 M 2ct Question 6 0/1 pts Calculate the pressure exerted by 5.12 grams of chlorine gas in a 850 mL sealed flask at 27.0°C....
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