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11. Consider the reaction: M + 2HO → MOg + H2 When 0.25 mol of the...
IN ILLIULIOL JU_SUN/Lab%20Exams/CHEZ101%2... Submit Answer kJ/mol Tries 0/2 7. Consider the following reactions: A-B AH =...
IN ILLIULIOL JU_SUN/Lab%20Exams/CHEZ101%2... Submit Answer kJ/mol Tries 0/2 7. Consider the following reactions: A-B AH = 272 kJ C-B AH = 36 kJ What is AH for A C ? It is possible that your answer could be either positive or negative. If it is negative, you must include the "minus" sign. Enter your answer as a decimal number. k] Tries 0/2 Submit Answer 8. Consider the following reactions: A + 2B - C + D AH = -224 kJ...
8. Can two of these molecules hydrogen bond with each other? НН НН YES NO НН...
8. Can two of these molecules hydrogen bond with each other? НН НН YES NO НН Tries 0/2 Submit Answer 9. Can two of these molecules hydrogen bond with each other? НН H-C-C-o-H НН O YES NO Tries 0/2 Submit Answer 10. A chemical reaction was run in 155.0 mL of H2O. During the reaction, the temperature of the H2O changes from 28.4 oC to 57.6 oC. How much heat (in kJ) did the chemical reaction produce? For H2O, Cp=...
21. Consider the following balanced redox reaction: 2Cr3+ (aq) + 7H2O(l) + 6Fe3+ (aq) + Cr20,2-(aq)...
21. Consider the following balanced redox reaction: 2Cr3+ (aq) + 7H2O(l) + 6Fe3+ (aq) + Cr20,2-(aq) + 14H+ (aq) + 6Fe2+ (aq) (a) (0.5 mark) What is the oxidation number of Cr in Cr20-2-? INSTRUCTIONS: Give your answer as a WHOLE NUMBER (i.e. 1, if positive or -1, if negative). * Tries 0/2 (b) (0.5 mark) What is the oxidizing agent in this reaction? Fe3+ Fe2+ H+ • Cr2O2- H2O O Cr3+ 13. (1 mark) Which statement is TRUE about...
Consider the hypothetical reaction and its rate of the reaction expression: 4 X + 2 Y→...
Consider the hypothetical reaction and its rate of the reaction expression: 4 X + 2 Y→ Z + 6 U In certain experiment, over a specific time period, rate of consuming of reactant X: = – 0.0024 M/s. What are (a) the rate of changing of reactant Y in this experiment; (b) the rate of production of Z; (c) the rate of production of U; (d) the rate of the reaction? Hint: Keep in mind that reactant X is consuming and...
Constants Periodic Table Consider the reaction: H2(g) +12(s) + 2HI(g) Average Bond Enthalpies (kJ/mol) Part A...
Constants Periodic Table Consider the reaction: H2(g) +12(s) + 2HI(g) Average Bond Enthalpies (kJ/mol) Part A Use the bond enthalpies in the table to estimate AH for this reaction, ignoring the fact that iodine is in the solid state. Express your answer in kilojoules to two significant figures. IVO AQ R o 21 ? C-H 413 N-H 391 0-H 463 F-F 155 C-C 348 N-N 163 0-0 146 C=C 614 N-O 201 0=0 495 Cl-F 253 C-N 293 N-F 272...
Consider the reaction Mg(s)+Fe2+(aq)→Mg2+(aq)+Fe(s) at 69 ∘C , where [Fe2+]= 3.40 M and [Mg2+]= 0.310 M...
Consider the reaction
Mg(s)+Fe2+(aq)→Mg2+(aq)+Fe(s)
at 69 ∘C , where [Fe2+]= 3.40 M and [Mg2+]= 0.310 M .
Constants Periodic Table Consider the reaction Mg(s) + Fe2+ (aq)+Mg2+ (aq) + Fe(s) at 69 °C, where Fe2+1 = 3.40 M and Mg²+] = 0.310 M. Part A What is the value for the reaction quotient, Q. for the cell? Express your answer numerically. ► View Available Hint(s) VO AEQ o oi ? Q= Submit Part B What is the value for the...
1. Consider the reaction: 2 NO (g) + 2 H2 (g) → N2 (g) + 2...
1. Consider the reaction: 2 NO (g) + 2 H2 (g) → N2 (g) + 2 H2O (g). If the rate of change in NO is -0.68 M s^-1 then write the rate of change for the other reactants and products. What is the rate of the reaction? 2. Consider the reaction: CH3COOC2H5 (aq) + OH- (aq) → CH3CO2- (aq) + CH3CH2OH (aq) The reaction is known to be first order in CH3COOC2H5 and first order in OH-. The second-...
Consider the reaction Mg(s)+Fe2+(aq)→Mg2+(aq)+Fe(s) at 57 ∘C , where [Fe2+]= 3.40 M and [Mg2+]= 0.210 M...
Consider the reaction
Mg(s)+Fe2+(aq)→Mg2+(aq)+Fe(s)
at 57 ∘C , where [Fe2+]= 3.40 M and
[Mg2+]= 0.210 M .
help
Part D Calculate the standard cell potential for Mg(s) Fe2 (aq)Mg2 (aq)Fe(s) Express your answer to three significant figures and include the appropriate units. View Available Hint(s) ? Value Eo Units Submit Part C What is the value for n? Express your answer as an integer and include the appropriate units (i.e. enter mol for moles). View Available Hint(s) HA ? Value...
1) If the activation energy of a reaction is 34 kJ/mol and the amount of energy provided by the collision...
1) If the activation energy of a reaction is 34 kJ/mol and the amount of energy provided by the collision of reactants (in the correct orientation) is 28 kl/mol, will a reaction occur? Explain your answer. What could you do to attempt to get this reaction to occur? 2) Using the reaction below, explain what would occur to equilibrium position and why FeCl,(ag)+3KSCN(aq)Fe(SCN), (ag)+3KC[ (aq) + heat A. Performing the reaction in a freezer (ie. removing heat). B. Adding more...
create a procedure to determine the heat neutralization for the reaction between 1 M HCl and 1 M NaOH. create a data...
create a procedure to determine the heat neutralization for
the reaction between 1 M HCl and 1 M NaOH. create a data sheet
which shows the calculations.
Procedure Design your own procedure to determine the heat of neutralization for the reaction between 1.0 M HCl and 1.0 M NaOH. This procedure must be approved by your instructor before you can begin experimentation. It will most likely change as you work in lab. You will also need to decide what data...
IN ILLIULIOL JU_SUN/Lab%20Exams/CHEZ101%2... Submit Answer kJ/mol Tries 0/2 7. Consider the following reactions: A-B AH = 272 kJ C-B AH = 36 kJ What is AH for A C ? It is possible that your answer could be either positive or negative. If it is negative, you must include the "minus" sign. Enter your answer as a decimal number. k] Tries 0/2 Submit Answer 8. Consider the following reactions: A + 2B - C + D AH = -224 kJ...
8. Can two of these molecules hydrogen bond with each other? НН НН YES NO НН Tries 0/2 Submit Answer 9. Can two of these molecules hydrogen bond with each other? НН H-C-C-o-H НН O YES NO Tries 0/2 Submit Answer 10. A chemical reaction was run in 155.0 mL of H2O. During the reaction, the temperature of the H2O changes from 28.4 oC to 57.6 oC. How much heat (in kJ) did the chemical reaction produce? For H2O, Cp=...
21. Consider the following balanced redox reaction: 2Cr3+ (aq) + 7H2O(l) + 6Fe3+ (aq) + Cr20,2-(aq) + 14H+ (aq) + 6Fe2+ (aq) (a) (0.5 mark) What is the oxidation number of Cr in Cr20-2-? INSTRUCTIONS: Give your answer as a WHOLE NUMBER (i.e. 1, if positive or -1, if negative). * Tries 0/2 (b) (0.5 mark) What is the oxidizing agent in this reaction? Fe3+ Fe2+ H+ • Cr2O2- H2O O Cr3+ 13. (1 mark) Which statement is TRUE about...
Constants Periodic Table Consider the reaction: H2(g) +12(s) + 2HI(g) Average Bond Enthalpies (kJ/mol) Part A Use the bond enthalpies in the table to estimate AH for this reaction, ignoring the fact that iodine is in the solid state. Express your answer in kilojoules to two significant figures. IVO AQ R o 21 ? C-H 413 N-H 391 0-H 463 F-F 155 C-C 348 N-N 163 0-0 146 C=C 614 N-O 201 0=0 495 Cl-F 253 C-N 293 N-F 272...
Consider the reaction
Mg(s)+Fe2+(aq)→Mg2+(aq)+Fe(s)
at 69 ∘C , where [Fe2+]= 3.40 M and [Mg2+]= 0.310 M .
Constants Periodic Table Consider the reaction Mg(s) + Fe2+ (aq)+Mg2+ (aq) + Fe(s) at 69 °C, where Fe2+1 = 3.40 M and Mg²+] = 0.310 M. Part A What is the value for the reaction quotient, Q. for the cell? Express your answer numerically. ► View Available Hint(s) VO AEQ o oi ? Q= Submit Part B What is the value for the...
Consider the reaction
Mg(s)+Fe2+(aq)→Mg2+(aq)+Fe(s)
at 57 ∘C , where [Fe2+]= 3.40 M and
[Mg2+]= 0.210 M .
help
Part D Calculate the standard cell potential for Mg(s) Fe2 (aq)Mg2 (aq)Fe(s) Express your answer to three significant figures and include the appropriate units. View Available Hint(s) ? Value Eo Units Submit Part C What is the value for n? Express your answer as an integer and include the appropriate units (i.e. enter mol for moles). View Available Hint(s) HA ? Value...
1) If the activation energy of a reaction is 34 kJ/mol and the amount of energy provided by the collision of reactants (in the correct orientation) is 28 kl/mol, will a reaction occur? Explain your answer. What could you do to attempt to get this reaction to occur? 2) Using the reaction below, explain what would occur to equilibrium position and why FeCl,(ag)+3KSCN(aq)Fe(SCN), (ag)+3KC[ (aq) + heat A. Performing the reaction in a freezer (ie. removing heat). B. Adding more...
create a procedure to determine the heat neutralization for
the reaction between 1 M HCl and 1 M NaOH. create a data sheet
which shows the calculations.
Procedure Design your own procedure to determine the heat of neutralization for the reaction between 1.0 M HCl and 1.0 M NaOH. This procedure must be approved by your instructor before you can begin experimentation. It will most likely change as you work in lab. You will also need to decide what data...
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