the specific heat of a certain type of cooking oil is 1.75 j/(g*C) Celsius. how much heat energy is needed to raise the temperature of 2.43 kg of this oil from 23 C degrees Celsius to 191 C degrees celsius?

Respuesta :

You want to heat 2.06 kg of this oil from 23 °C to 191 °C, so you basically just use your specific heat capacity of 1.75 J/(g·°C) into your calculation 

2.06kg = 2060g 
change in temperature is 191-23=168 C 

the units cancel out 

2060g x 1.75 J/(g·°C) x (168C) = 605,640 J or 605. 64 KJ



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