emilybb195
Answered

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HELP PLEASE!!!!!   How much heat is absored by by 20g granite boulder as energy from the sun causes its temperature to change from 10C to 29C (specific heat capacity of granite is 0.1 Cal/g C)

Sagot :

rabinshrestha41
so.......

here,
Mass (m) = 20g
Change in Temperature (ΔT) = 29C-10C
                                               = 19C
Specific Heat Capacity = 0.1 cal/ g C

now, plug the info. into the formula,

specific heat capacity = quantity of heat / (mass * change in temperature)
                       0.1       =  quantity of heat / (20 * 19)
                       0.1       =  quantiy of heat / 380
                0.1 * 380     =  quantity of heat
                       38        =  quantity of heat

so the granite rock boulder absorbed 38 calories of  heat energy from the sun



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