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8 June, 05:34

The temperature of a system rises by 45°C during a heating process. Express this rise in temperature in Kelvin. (Round the final answer to the nearest whole number.)

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  1. 8 June, 05:48
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    45K

    Explanation:

    Rise in temperature = Final - initial temperature.

    temperature in K = Temperature in Celsius + 273

    for Celsius; T2 - T1 = 45°C

    for kelvin; T2+273 - (T1+273) = ?

    T2+273 - T1-273 = ?

    T2-T1 = ?

    T2-T1 = 45k

    hence ΔT (K) = ΔT (°C) (temperature difference in Celsius is equal to temperature difference in kelvin)
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