How much heat is needed to vaporize 10.00 grams of water at 100.0°C? The latent heat of vaporization of water is 2,259 J/g.

Use the heat of vaporization: heat = mass × latent heat of vaporization. For 10.00 g of water, heat = 10.00 g × 2,259 J/g = 22,590 J. Therefore, the correct choice is D, 22,590 J.

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