Physics, 30.10.2019 09:31 SMURFETTE86

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?

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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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Answer from: Quest

this is a good question! i'll do some research and come back when i have the answer!

Strehe name denean expression ordurina liquid of surface to play tobe ofradius 10m stands upright in

Answer from: Quest

force is based upon mass and acceleration.the statement is not always true.

it can be explained from newton's second law of motion.

as per newton's second law of motion the rate of change of momentum is directly proportional to the applied force and takes place along the direction of force.

mathematically it can be written as -

$f\alpha \frac{dp}{dt}$

⇒ $f= k \frac{dp}{dt}$

here k is the proportionality constant whose value is 1.

$f=\frac{dp}{dt}$

$f= \frac{d[mv]}{dt}$

$f= m\frac{dv}{dt} +v\frac{dm}{dt}$

$f=ma+v\frac{dm}{dt}$ [a is the acceleration=dv/dt]

hence we see that force not only depends on mass and acceleration but also on velocity and rate of change of mass. force f will depend on mass and acceleration only when mass is constant.

hence the statement that force is based upon mass and acceleration is false.

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The specific heat of a certain type of cooking oil is 1.75 j/(g*c) celsius. how much heat energy is...