The first paragraph of the passage is ironic because: a. the porter’s wife has taken over her husband’s job for the narrator. c. the couple are celebrity personalities in disguise. b. the narrator is not as talented an artist as he wants people – including the readers – to believe. d. the narrator is hoping to earn money from drawing the sitters, but the sitters are hoping to earn money from the narrator.

The activity series is shown in the attached picture. if the element is below the other, then you can displace the other. following the activity series as a guide, the reactions are as follows: nickel and aluminum chloride3 ni + 2 alcl₃  → 3 nicl₂ + 2 albarium and copper bromideba + cubr  →  no reaction because cu is less oxidizable than bapotassium nitrate and aluminum3 kno₃ + al  → al(no₃)₃ + 3 ksodium phosphate and zincnaso₄ + zn  → znso₄ + na

Neither model is able to show the reactivity of potassium.

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