The specific heat of a substance is 0.38 J/goC. How much energy is required to raise the temperature of 42 g of the substance from 25oC to 39oC?

223.4J

Explanation:

Given parameters:

Specific heat capacity of substance  = 0.38J/g°C

Mass of substance  = 42g

Initial temperature  = 25°C

Final temperature  = 39°C

Unknown:

Energy required to raise the temperature  = ?

Solution:

The amount of heat required by the substances can be derived using the expression below;

  H  = m c Δt

H is the amount of heat energy

m is the mass

c is the specific heat capacity

Δt is the change in temperature;

 Δt  = 39°C  -  25°C  = 14°C

 Now insert the parameters and solve;

 H = 42 x 0.38 x 14  = 223.4J

the earth would become to overheated and everything alive on it will eventually die from overheating. plants will eventually die as well, water will evaporate, and it will be nothing but a hot planet without anything living on it.