How much energy is required to raise the temperature of 3 kg of iron from 20° C to 25°C? Use the table below and this equation: Q = mcAT.

Option C (6750 J) is the appropriate response.

Explanation:

The given values are:

Mass of iron,

m = 3 kg

Specific heat capacity,

= 0.450

Temperature,

T =

  =

Now,

⇒  

On substituting the values, we get

⇒      

⇒      

i.e,

⇒      

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