Chemistry, 18.11.2020 17:10 keke6361

How much energy, in kWh, is used if a hair dryer with a power of 20 watts was used for 0.5 hours? (Remember to convert to kW first)

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How much energy, in kWh, is used if a hair dryer with a power of 20 watts was used for 0.5 hours? (...