Question

what does it mean when we say specific heat capacity of iron is 450 J / kg °c​

Answer 1

it means the amount of heat required to raise the temperature of 1 kilogram substance by 1 kelvin ( SI unit of specific heat)

Answer 2

Answer:

IT MEANS THE AMOUNT OF HEAT REQUIRED TO RAISE THE TEMPERATURE OF 1 KILOGRAM SUBSTANCE BY 1 KELVIN ( SI UNIT OF SPECIFIC HEAT AND

SI UNIT OF HEAT IS JOULE

AND

ONE CALORIE IS EQUAL TO 4.2 JOULE

AND

1 KILOKALORIE IS EQUAL TO 4200 JOULE

AND

WATER IS USED AS COOLANT IN MACHINES