You have two containers at 25°c and 1 atm. one has 22.4 l of hydrogen gas, and the other has 22.4 l of oxygen gas. which of the following statements is true? the oxygen gas container has more molecules than the hydrogen gas container. both containers contain 6.022 x10^23 molecules of gas. both containers have the same number of molecules. the hydrogen gas container has more molecules than the oxygen gas container.

Both containers have the same number of molecules
As they have the same values for pressure, volume and temperature so have the same amount of moles thus the same number of molecules as (number of molecules=(moles*Avagadro’s constant) )

They would only both contain 6.022*10^23 molecules if they both were at STP as at STP you would only have 1 mole of each gas.

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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