cm621972
cm621972 cm621972
  • 12-02-2022
  • Chemistry
contestada

30) The number of calories needed to raise the temperature of 32 g of water from 12°C to 54 °C is A) 380 cal B) 1.3 cal C) 1300 cal D) 1700 cal E) 0.76 cal ​

Respuesta :

palazzolorachel palazzolorachel
  • 12-02-2022
5,600 J would be the answer

Explanation:
Joules = mass x specific heat x temperature change
32 x 4.184 x (54 - 12)
= 133.888 x 42
= 5,623.296
(significant figures => 5,600)
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