contestada

what is the specific heat of a substance if 300 j are required to raise the temperature of a 267-g sample by 12 degrees c

Respuesta :

Answer : The specific heat of the substance is 0.0936 J/g °C

Explanation :

The amount of heat Q can be calculated using following formula.

[tex] Q = m \times C \times \bigtriangleup T [/tex]

Where Q is the amount of heat required = 300 J

m is the mass of the substance = 267 g

ΔT is the change in temperature = 12°C

C is the specific heat of the substance.

We want to solve for C, so the equation for Q is modified as follows.

[tex] C = \frac{Q}{m \times \bigtriangleup T} [/tex]

Let us plug in the values in above equation.

[tex] C = \frac{300J}{267g \times 12 C} [/tex]

[tex] C = \frac{300J}{3204 g C} [/tex]

C = 0.0936 J/g °C

The specific heat of the substance is 0.0936 J/g°C