What volume will 1.27 moles of helium gas occupy at 80.00 °C and 1.00 atm? Pls and thank you :) !

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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

Aand x are the answers to your question.hope it !

Asolution is a mixture of 2 or more substances which are called a solute and a solvent