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3 years ago

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8. Explain the process of convection at the molecular level.

1 answer:

Ilya [14]3 years ago

8 0

Answer:

Convection is a type of heat transfer that only happens in liquids and gasses. Convection happens when there is a difference in temperature between two parts of a liquid or gas.

Explanation:

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An unknown piece of metal absorbs 1350 J of heat as 55.0 g of the metal heats up from 20.0 oC to 47.0 oC

mash [69]

Answer:

$C=0.91\frac{J}{g\°C}$

Explanation:

Hello there!

In this case, according to the given information, it is possible to recall the equation to calculate the heat, Q, in these calorimetry problems as shown below:

$Q=mC(T_f-T_i)$

Thus, given the absorbed heat, mass and temperatures, we can easily calculate the specific heat of the metal as shown below:

$C=\frac{Q}{m(T_f-T_i)}$

Then, by plugging in we obtain:

$C=\frac{1350J}{55.0g(47.0\°C-20.0\°C)} \\\\C=0.91\frac{J}{g\°C}$

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