19-05-2017
Chemistry

contestada

If 20 grams of water absorbs 820 joules of heat, what is the temperature change of the water

Respuesta :

Aishani Aishani

19-05-2017

E = mcT
820 = 20 × 4.2 × T
T = 820/(20×4.2)
= 9.76
Change in temperature is 9.76°C

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