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The first three ionization energies of an element X are 590,1145, and 4912 kJ.mol 1. What...
please help Question 38 (8 points) What element is oxidized and what is the oxidizing agent...
please help
Question 38 (8 points) What element is oxidized and what is the oxidizing agent in the reaction below? Fe2O3(s) + 3CO(g) - 2Fe(s) + 3CO2(e) Iron is oxidized, and the oxidizing agent is Fe2O3. Carbon is oxidized, and the oxidizing agent is Fe2O3. Iron is oxidized, and the oxidizing agent is CO. Carbon is oxidized, and the oxidizing agent is Co. Question 39 (8 points) What isotope is depicted in the figure? Key =proton =neutron lithium-7 helium-3 helium-4...
QUESTION 17 1 points [CLO-4] Consider the following equilibrium. 2 SO2(g) + O2 (g) ==== 2...
QUESTION 17 1 points [CLO-4] Consider the following equilibrium. 2 SO2(g) + O2 (g) ==== 2 SO3 (8) The equilibrium cannot be established when container [Hint: no need to do any calculations !!! 1.0 mol SO3 (8) is/are placed in a 1.0-L 0.25 mol of SO2 (g) and 0.25 mol of 503 (g) 0.50 mol O2(g) and 0.50 mol SO3 (g) 0.25 mol SO2 (g) and 0.25 mol O2 (g) 0.75 mol SO2 (9)
Groning Reagent Prelated write the balanced chemical equation for the reaction and complete the table below....
Groning Reagent Prelated write the balanced chemical equation for the reaction and complete the table below. Be sure use the correct number of significant fuures. Remember that leading reres are not considered si Prela Reaction Cuch •2H₂0 2 AgNO3. Cu Cuore | 2ACL Name: Initial moles Section 10.00645 0.02064 Change moles X -00 645 - 2x 606A5 1.02064 26 x 100 6 45 mol xz,0129 End moles Kamol End moles numerical 1. What 51 1. What does x equal? 2...
X 1. Aluminum reacts with oxygen to produce aluminum oxide 4 Al(s) + 3 O2(g) +...
X 1. Aluminum reacts with oxygen to produce aluminum oxide 4 Al(s) + 3 O2(g) + 2 Al2O3(s) IF 3.0 moles of Alreact with excess O2, how many moles of AlzO3 can be formed? a) 1.0 mol b) 1.50 mol c) 3.0 mol d ) 4.0 mol e) 4.5 mol 10. What is the log of 5,400.05? a) 3.07 b) 3.37 c) 3.73 d) 37.32 e) 37.23 Short Answer Questions (True or False)
Experiment 10 Pre laboratory Problems Name 1. What type of compound or element ionic, metallic or...
Experiment 10 Pre laboratory Problems Name 1. What type of compound or element ionic, metallic or covalent) are the following: a b. c. d. e. f. Glass Graphite in pencil lead Aluminum Copper Solid Naci Naco 8. HCI h. (NH4)2SO4 | || H4)2 j. CH2021 k CH OH 1. Agcl 2. What is the net ionic equation of solid Na Cos dissolving in water? a. Explain how you can quickly differentiate between electrolytes and nonelectrolytes? 3. Predict the conductivity of...
5, 7, and 8 please! 5. What mass of calcium chloride must be dissolved in water...
5, 7, and 8 please!
5. What mass of calcium chloride must be dissolved in water to renare 200 mL of a solution with concentration of 0.50 M? 6. What is the coefficient for oxygen when this equation is balanced? HS(g) + 20 (8) SO(g) + H2O(l) (B)3 (C)4 (D) 5 7. Ammonia is prepared by the Haber Process. N2 +3 H2< =>2 NHỊ If 2.0 mol of N, and 3.0 mol of Hare combined together, what is the percent...
1. (9 points) Balance the following reactions: H3PO4(1) + HCIE) C4H3 + O2 CO2 + H2O...
1. (9 points) Balance the following reactions: H3PO4(1) + HCIE) C4H3 + O2 CO2 + H2O PC15(s) + H2O LizNs) LiOH) + NH3(g) C3H12 + O2 CO2 + H2O 2. (12 points) Write and balance the equation based upon the following information. + H2O(1) Include the states of matter: a. Solid aluminum sulfate, carbon dioxide gas and liquid water are produced by the reaction of an aqueous solution of sulfuric acid and solid aluminum carbonate. b. The reaction of fluorine...
or treelement Aluminum (AL element #13) in the g round state is D. [Ne] 3s 3pE....
or treelement Aluminum (AL element #13) in the g round state is D. [Ne] 3s 3pE. Ne] 2s'3d 30. The correct electron configuration for the transition eral entg D. Art A. [Ar] 4s23d B. [Ar) 4s'3d #24), is: C. [Ne] 4s4p D. [Ar] 4s"4d6 E.[Ar] 4s23ds Part II, "show your work" 3 questions, worth 25 points. Your answer must include every detail and all the necessary steps.batan sary steps, balanced che on factors and using dimensional analysis method of calculation...
19. Calculate the rate of flow of O, (g) through the walls of a porous tube if H, (g) flows at the rate of 3.95 x 10...
19. Calculate the rate of flow of O, (g) through the walls of a porous tube if H, (g) flows at the rate of 3.95 x 10 mL/sec under identical conditions. 20. Acetylene gas reacts with oxygen gas as follows: 2 C,H, (B)+5 0, (8) 4 CO, (B) +2 H,0 (g) What quantity of CO, (g) is formed when 6.0 L of acetylene gas is completely combusted? 21. How many liters of O,(g) at STP are evolved when 3.25 g...
Chapter 5 and Chapter 10 Problem solving (please practice the following questions and make sure that you understand...
Chapter 5 and Chapter 10 Problem solving (please practice the following questions and make sure that you understand the principles behind: you can find Ar from textbook or website I. A 145 g sample of copper metal at 100.0°C is placed into 250.0 g of water at 25.0°C in a calorimeter. When the system reaches thermal equilibrium, the temperature of the water in the calorimeter is 28.8°C. Assume the calorimeter is perfectly insulated. What is the specific heat capacity of...
please help
Question 38 (8 points) What element is oxidized and what is the oxidizing agent in the reaction below? Fe2O3(s) + 3CO(g) - 2Fe(s) + 3CO2(e) Iron is oxidized, and the oxidizing agent is Fe2O3. Carbon is oxidized, and the oxidizing agent is Fe2O3. Iron is oxidized, and the oxidizing agent is CO. Carbon is oxidized, and the oxidizing agent is Co. Question 39 (8 points) What isotope is depicted in the figure? Key =proton =neutron lithium-7 helium-3 helium-4...
QUESTION 17 1 points [CLO-4] Consider the following equilibrium. 2 SO2(g) + O2 (g) ==== 2 SO3 (8) The equilibrium cannot be established when container [Hint: no need to do any calculations !!! 1.0 mol SO3 (8) is/are placed in a 1.0-L 0.25 mol of SO2 (g) and 0.25 mol of 503 (g) 0.50 mol O2(g) and 0.50 mol SO3 (g) 0.25 mol SO2 (g) and 0.25 mol O2 (g) 0.75 mol SO2 (9)
Groning Reagent Prelated write the balanced chemical equation for the reaction and complete the table below. Be sure use the correct number of significant fuures. Remember that leading reres are not considered si Prela Reaction Cuch •2H₂0 2 AgNO3. Cu Cuore | 2ACL Name: Initial moles Section 10.00645 0.02064 Change moles X -00 645 - 2x 606A5 1.02064 26 x 100 6 45 mol xz,0129 End moles Kamol End moles numerical 1. What 51 1. What does x equal? 2...
X 1. Aluminum reacts with oxygen to produce aluminum oxide 4 Al(s) + 3 O2(g) + 2 Al2O3(s) IF 3.0 moles of Alreact with excess O2, how many moles of AlzO3 can be formed? a) 1.0 mol b) 1.50 mol c) 3.0 mol d ) 4.0 mol e) 4.5 mol 10. What is the log of 5,400.05? a) 3.07 b) 3.37 c) 3.73 d) 37.32 e) 37.23 Short Answer Questions (True or False)
Experiment 10 Pre laboratory Problems Name 1. What type of compound or element ionic, metallic or covalent) are the following: a b. c. d. e. f. Glass Graphite in pencil lead Aluminum Copper Solid Naci Naco 8. HCI h. (NH4)2SO4 | || H4)2 j. CH2021 k CH OH 1. Agcl 2. What is the net ionic equation of solid Na Cos dissolving in water? a. Explain how you can quickly differentiate between electrolytes and nonelectrolytes? 3. Predict the conductivity of...
5, 7, and 8 please!
5. What mass of calcium chloride must be dissolved in water to renare 200 mL of a solution with concentration of 0.50 M? 6. What is the coefficient for oxygen when this equation is balanced? HS(g) + 20 (8) SO(g) + H2O(l) (B)3 (C)4 (D) 5 7. Ammonia is prepared by the Haber Process. N2 +3 H2< =>2 NHỊ If 2.0 mol of N, and 3.0 mol of Hare combined together, what is the percent...
1. (9 points) Balance the following reactions: H3PO4(1) + HCIE) C4H3 + O2 CO2 + H2O PC15(s) + H2O LizNs) LiOH) + NH3(g) C3H12 + O2 CO2 + H2O 2. (12 points) Write and balance the equation based upon the following information. + H2O(1) Include the states of matter: a. Solid aluminum sulfate, carbon dioxide gas and liquid water are produced by the reaction of an aqueous solution of sulfuric acid and solid aluminum carbonate. b. The reaction of fluorine...
or treelement Aluminum (AL element #13) in the g round state is D. [Ne] 3s 3pE. Ne] 2s'3d 30. The correct electron configuration for the transition eral entg D. Art A. [Ar] 4s23d B. [Ar) 4s'3d #24), is: C. [Ne] 4s4p D. [Ar] 4s"4d6 E.[Ar] 4s23ds Part II, "show your work" 3 questions, worth 25 points. Your answer must include every detail and all the necessary steps.batan sary steps, balanced che on factors and using dimensional analysis method of calculation...
19. Calculate the rate of flow of O, (g) through the walls of a porous tube if H, (g) flows at the rate of 3.95 x 10 mL/sec under identical conditions. 20. Acetylene gas reacts with oxygen gas as follows: 2 C,H, (B)+5 0, (8) 4 CO, (B) +2 H,0 (g) What quantity of CO, (g) is formed when 6.0 L of acetylene gas is completely combusted? 21. How many liters of O,(g) at STP are evolved when 3.25 g...
Chapter 5 and Chapter 10 Problem solving (please practice the following questions and make sure that you understand the principles behind: you can find Ar from textbook or website I. A 145 g sample of copper metal at 100.0°C is placed into 250.0 g of water at 25.0°C in a calorimeter. When the system reaches thermal equilibrium, the temperature of the water in the calorimeter is 28.8°C. Assume the calorimeter is perfectly insulated. What is the specific heat capacity of...
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