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How much energy is required to heat up a Styrofoam cup from 25oC to 40oC? The mass of the cup is 20 grams and the specific heat capacity of Styrofoam is 1.1 J/(g *oC). Group of answer choices

How Much Energy Is Required To Heat Up A Styrofoam Cup From 25oC To 40oC The Mass Of The Cup Is 20 Grams And The Specific Heat Capacity Of Styrofoam Is 11 Jg OC class=

Sagot :

sebassandin

Answer:

[tex]Q=330J[/tex]

Explanation:

Hello!

In this case, since the energy involved during a heating process is calculated as shown below:

[tex]Q=mC(T_2-T_1)[/tex]

Whereas we consider the mass, heat capacity and temperature; we are able to plug in the given data to obtain:

[tex]Q = 20g*1.1\frac{J}{g\°C}(40\°C-25\°C)\\\\Q = 330J[/tex]

Best regards!

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