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52 mL of H₂O.

Explanation:

The balanced equation for the reaction is given below:

2H₂ + O₂ —> 2H₂O

From the balanced equation above,

2 mL of H₂ reacted with 1 mL of O₂ to produce 2 mL of H₂O.

Finally, we shall determine the volume of H₂O that will be produced by the reaction of 52 mL of H₂ at the same temperature and pressure.

This can be obtained as follow:

From the balanced equation above,

2 mL of H₂ reacted to produce 2 mL of H₂O.

Therefore, 52 mL of H₂ will also react to produce 52 mL of H₂O.

Thus, 52 mL of H₂O were obtained from the reaction.

d.) circle motion requires a force to give it a centripetal acceleration.