2. A metal weighing 50.0 g absorbs 220.0 J of heat when its temperature increases by
120.0°C. What is the specific heat of the metal?

Respuesta :

The specific heat of the metal is [tex]0.037 J(g^{\circ}C)[/tex]

Explanation:

When a sample of a material absorbs energy, its temperature increases according to the equation

[tex]Q=m C_s \Delta T[/tex]

where

Q is the amount of energy supplied to the sample

m is the mass of the sample

Cs is its specific heat capacity

[tex]\Delta T[/tex] is the increase in temperature

In this problem,

m = 50.0 g

Q = 220.0 J

[tex]\Delta T =120.0^{\circ}C[/tex]

Solving for C_s, we find the specific heat capacity:

[tex]C_s = \frac{Q}{m\Delta T}=\frac{220.0}{(50.0)(120.0)}=0.037 J(g^{\circ}C)[/tex]

Learn more about specific heat capacity:

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