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Which of these ions is the most stable? Multiple Choice o o Pb4+ Pb44 o Pb2-...
A solution containing 0.190.19 M Pb2+Pb2+ , 1.5×10−61.5×10−6 M Pb4+Pb4+ , 1.5×10−61.5×10−6 M Mn2+Mn2+ , 0.190.19 M MnO−4MnO4− , and 0.900.90 M HNO3HNO3 was prepared. For this solution, the balanced reduction half‑reactions and overall net reaction shown can occur. 5[Pb4++2e−↽−−⇀Pb2+]5[Pb4++2e−↽−−⇀Pb2+] ?∘+=1.690 VE+°=1.690 V 2[MnO−4+8H++5e−↽−−⇀Mn2++4H2O]2[MnO4−+8H++5e−↽−−⇀Mn2++4H2O] ?∘−=1.507 VE−°=1.507 V 5Pb4++2Mn2++8H2O↽−−⇀5Pb2++2MnO−4+16H+5Pb4++2Mn2++8H2O↽−−⇀5Pb2++2MnO4−+16H+ A. Determine ?∘cellEcell∘, Δ?∘ΔG∘, and ?K for this reaction. ?∘cell=Ecell∘= V Δ?∘=ΔG∘= J ?=K= B. Calculate the value for the cell potential, ?cellEcell, and the free energy, Δ?ΔG, for the given conditions....
Exam Which of the following is the most stable alkene? АМ 26 Multiple Choice от Оп
Which account is most unlikely to be credited when an expense is recorded? Multiple Choice O O Cash O O Accounts Payable Accounts Receivable An account with the word "Prepaid" in its title A prepayment of rent for the next three months (not including this month): Multiple Choice decreases stockholders' equity. O increases expenses a has no effect on total assets. reduces total assets.
Using Lewis structures and formal charge, which of the following ions is most stable? OCN⁻ ONC⁻ NOC⁻ OCN- ONC- NOC- None of these ions are stable according to Lewis theory All of these compounds are equally stable according to Lewis theory
Which is the most reasonable prediction for the H-N-H bond angle in NH3? Multiple Choice o 105 o o o o
Using Lewis structures and formal charge, which of the following ions is most stable? OCN- ONC- NOC-
How many sodium ions are present in 325 mL of 0.850 M Na2SO4? Multiple Choice o 6.20 x 1023 sodium ions 1.66 x 1023 sodium ions 0 1 57-1024 sodium ions
Which of the following Lewis structures represents the most stable form of the NOT ions: [:N=0:]* [:x=;]* (N=0:]* (X=>]*
Which of the following is NOT an objective of the budgeting process? Multiple Choice O To uncover potential bottlenecks before they occur. O To ensure that the company continues to grow. O C) To provide a means of allocating resources to those parts of the organization where they can be used most effectively O To communicate management's plans throughout the entire organization.
Which of the following would activity-based costing most likely lead to? Multiple Choice O Distorting product cos costs. Raising the sale price of high-volume products. O Raising the sale price of low-volume products. Expanding low-volume products that appear to be profitable. O Cutting back on high-volume products that appear to be unprofitable.