What is the specific heat of iron, if it requires 1050 J of heat energy to raise the temperature of 220.0 g of iron from 10.0oC to 20.4oC?

The specific heat for iron is

Explanation:

The quantity of heat required to raise the temperature of a substance by one degree Celsius is called the specific heat capacity.

Q = Heat absorbed= 1050 Joules

m= mass of substance = 220.0 g

c = specific heat capacity = ?

Initial temperature = = 10.0°C

Final temperature =  = 20.4°C

Change in temperature ,

Putting in the values, we get:

The specific heat for iron is

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in scientific notation, the value of the  speed of light in a vacuum

  will be written as 2.995 * 10^8. when this value is represented in the form of

  a * 10^b, then, a = 2.995 and b = 8.

the value of the speed of light in a vacuum given above can also be rounded up to approximately 300000000. in this case, the scientific notation will be written as 3 *10^8.