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Introductory Chemistry: A Foundati...
ercise 10.3 A 5.63-g sample of solid gold is heated from 21 to 32 °C. How much energy (in joules and calories) is required?
Interpretation:
The amount of energy in joules and calories should be calculated when 5.63 g sample of gold is heated from 21
Concept Introduction:
Thus, formula used for calculate energy in joules is
Where, E = energy in joules
m = mass of gold
c = specific heat capacity of gold
A conversion factor is a numerical ratio which is used to show a measurement in one unit as another unit. It is always equal to 1.
Specific heat capacity of gold is
Therefore, multiply 0.13 J by the mass of water and temperature change.
So,
Energy in joules =
= 8
Chapter 10 Solutions
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