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number 8, i just need clarification
10.4) QUESTIONS The following reaction is: Na → Na+ +...
Refer to the following reaction to answer the following questions.
Refer to the following reaction to answer the following questions.2 Na(s)+Cl2(g) → 2 NaCl(s)+819 kJa. Identify the reaction as being endothermic or exothermic. (Circle one.)Endothermic _______ Exothermicb. How many grams of sodium was used if 93.7 kJ of heat is produced?
i dont need number 9 done just need help on number 8 11-8. Write the chemical...
i
dont need number 9 done just need help on number 8
11-8. Write the chemical reactions whose equilibrium constants are Kbi and Kb2 for the amino acid serine, and find their numerical values. 11-9. Abbreviating malonic acid, CH (CO2H)2, as H2M, find the pH and concentrations of H M, HM”, and M' in each of the following solutions: (a) 0.100 M H2M; (b) 0.100 M NaHM; (c) 0.100 M Na M. For (b), use the approximation [HM ] =...
Question 10 Is the following reaction endothermic or exothermic? AH (-) value CH4 (8)02(8)- CO2 (8)...
Question 10 Is the following reaction endothermic or exothermic? AH (-) value CH4 (8)02(8)- CO2 (8) H20 (8) + energy o endothermic, energy is given off by the reaction e exothermic. energy is absorbed by the reaction o exothermic, energy is given off by the reaction o endothermic, energy is absorbed by the reaction
I got this question wrong originally and just need some clarification. Would it actually be “remains...
I got this question wrong originally and just need some
clarification. Would it actually be “remains the same” because a
decrease in volume would only affect the equilibrium constant,
K?
UO₂ (s) + 4HF (g) UFu (g) + 2H2Ocg) The system is at equilibrium in a rigid container. If the volume of the container is reduced to half its original volume, what happens to the value of the reaction quotient, Q? Increases Decreases Remains the Same
I just need help with #9 thanks! Use the following to answer questions 8-9: Consider three...
I
just need help with #9 thanks!
Use the following to answer questions 8-9: Consider three 1-L flasks at STP. Flask A contains NH, gas, flask C contains N, gas. I STP. Flask A contains NH, gas, flask B contains NO, gas, and flask 8. Which contains the largest number of molecules? A) flask A B) flask B C) flask C D) all are the same E) none 9. In which flask do the molecules have the highest average velocity?...
need answer for the #4 02 Question (1 point) The following reaction has the following standard...
need answer for the #4
02 Question (1 point) The following reaction has the following standard thermodynamic parameters: AHºran --29.0 kJ/mol and AS --64.5J(molok) c(g) +D(g) →E(8) 4th attempt Part 1 (0.3 point) Il See Periodic Tat Is the reaction exothermic or endothermic? Choose one: Endothermic 25 OF 29 QUESTIONS COMPLETED < 02/29 > + VIEW SOLUTION Part 4 (0.3 point) Calculate the temperature at which the reaction bepymes nonspontaneous. 417 > 3rd attempt 2nd attempt 1st attempt 25 OF...
I'm not sure if 4 is correct so I just wanted some clarification, and for 5...
I'm not sure if 4 is correct so I just wanted some
clarification, and for 5 I also am not sure as I need more
reasoning for why product B was formed!
4. Propose an arrow-pushing mechanism for the reaction below. 1. Cl₂, H₂O 2. NaH HO O-H Loh HOH Na-u 00 27, 5. During a “routine" bromination of an alkene, a team of researchers at the University of Georgia were surprised to find that got a significant amount of...
I need clarification with number two! Which formula do I gave to use to calculate the...
I need clarification with number two! Which formula do I gave
to use to calculate the e/m ratio? Below are all the informations
for this lab!
A ANALYSIS: . Use information from the trendline of the first graph to show the following calculations: e/m ratio · e/m ratio percent uncertainty · e/m ratio percent error second graph
Experiment #9: Heats of Reaction Pre-Lab Questions Name Date Lab Mamal helps in answering the following...
Experiment #9: Heats of Reaction Pre-Lab Questions Name Date Lab Mamal helps in answering the following questions 1. A reaction in which heat is absorbed is called a. Endothermic b. Exothermic c. Cooling d. Heating 2. A reaction where heat is released is called a. Endothermic b. Exothermic c. Cooling d. Heating 3. The energy change of a reaction that occurs at constant pressure is called the a. Total energy change b. Work c. Heat of reaction d pressure 4....
How do I solve this? Na(s) + Cl2(9) + 2NaCl(s), AH = -821.8 kJ (a) Is...
How
do I solve this?
Na(s) + Cl2(9) + 2NaCl(s), AH = -821.8 kJ (a) Is this reaction exothermic or endothermic? (b) Calculate the amount of heat transferred when 8.0 g of Na(s) reacts according to this reaction at constant pressure. (c) How many grams of NaCl are produced during an enthalpy change of 10.0 kJ? (d) How many kJ of heat are absorbed when 25.0 g of NaCl(s) is decomposed into Na(s) and Cl2(9) at constant pressure?
i
dont need number 9 done just need help on number 8
11-8. Write the chemical reactions whose equilibrium constants are Kbi and Kb2 for the amino acid serine, and find their numerical values. 11-9. Abbreviating malonic acid, CH (CO2H)2, as H2M, find the pH and concentrations of H M, HM”, and M' in each of the following solutions: (a) 0.100 M H2M; (b) 0.100 M NaHM; (c) 0.100 M Na M. For (b), use the approximation [HM ] =...
Question 10 Is the following reaction endothermic or exothermic? AH (-) value CH4 (8)02(8)- CO2 (8) H20 (8) + energy o endothermic, energy is given off by the reaction e exothermic. energy is absorbed by the reaction o exothermic, energy is given off by the reaction o endothermic, energy is absorbed by the reaction
I got this question wrong originally and just need some
clarification. Would it actually be “remains the same” because a
decrease in volume would only affect the equilibrium constant,
K?
UO₂ (s) + 4HF (g) UFu (g) + 2H2Ocg) The system is at equilibrium in a rigid container. If the volume of the container is reduced to half its original volume, what happens to the value of the reaction quotient, Q? Increases Decreases Remains the Same
I
just need help with #9 thanks!
Use the following to answer questions 8-9: Consider three 1-L flasks at STP. Flask A contains NH, gas, flask C contains N, gas. I STP. Flask A contains NH, gas, flask B contains NO, gas, and flask 8. Which contains the largest number of molecules? A) flask A B) flask B C) flask C D) all are the same E) none 9. In which flask do the molecules have the highest average velocity?...
need answer for the #4
02 Question (1 point) The following reaction has the following standard thermodynamic parameters: AHºran --29.0 kJ/mol and AS --64.5J(molok) c(g) +D(g) →E(8) 4th attempt Part 1 (0.3 point) Il See Periodic Tat Is the reaction exothermic or endothermic? Choose one: Endothermic 25 OF 29 QUESTIONS COMPLETED < 02/29 > + VIEW SOLUTION Part 4 (0.3 point) Calculate the temperature at which the reaction bepymes nonspontaneous. 417 > 3rd attempt 2nd attempt 1st attempt 25 OF...
I'm not sure if 4 is correct so I just wanted some
clarification, and for 5 I also am not sure as I need more
reasoning for why product B was formed!
4. Propose an arrow-pushing mechanism for the reaction below. 1. Cl₂, H₂O 2. NaH HO O-H Loh HOH Na-u 00 27, 5. During a “routine" bromination of an alkene, a team of researchers at the University of Georgia were surprised to find that got a significant amount of...
I need clarification with number two! Which formula do I gave
to use to calculate the e/m ratio? Below are all the informations
for this lab!
A ANALYSIS: . Use information from the trendline of the first graph to show the following calculations: e/m ratio · e/m ratio percent uncertainty · e/m ratio percent error second graph
Experiment #9: Heats of Reaction Pre-Lab Questions Name Date Lab Mamal helps in answering the following questions 1. A reaction in which heat is absorbed is called a. Endothermic b. Exothermic c. Cooling d. Heating 2. A reaction where heat is released is called a. Endothermic b. Exothermic c. Cooling d. Heating 3. The energy change of a reaction that occurs at constant pressure is called the a. Total energy change b. Work c. Heat of reaction d pressure 4....
How
do I solve this?
Na(s) + Cl2(9) + 2NaCl(s), AH = -821.8 kJ (a) Is this reaction exothermic or endothermic? (b) Calculate the amount of heat transferred when 8.0 g of Na(s) reacts according to this reaction at constant pressure. (c) How many grams of NaCl are produced during an enthalpy change of 10.0 kJ? (d) How many kJ of heat are absorbed when 25.0 g of NaCl(s) is decomposed into Na(s) and Cl2(9) at constant pressure?
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