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kirza4 [7]
3 years ago
8

Give two examples of energy transfer by conduction between two objects

Chemistry
1 answer:
algol133 years ago
7 0
A boat being accelerated by the engine

Bringing water to the boil in an electric kettle
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Pepsi [2]

Answer:

radiation, conduction, convection, conduction

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How much heat will be absorbed by a 63.1 g piece of aluminum (specific heat = 0.930 J/g・°C) as it changes temperature from 23.0°
cluponka [151]

Answer:

Q=2582J=2.58kJ

Explanation:

Hello,

In this case, for us to compute the absorbed heat, we apply the following equation:

Q=m_{Al}Cp_{Al}(T_2-T_1)

Whereas we use the mass, specific heat and temperature change for the piece of aluminium, thus, we obtain:

Q=63.1g*0.930\frac{J}{g*\°C}*(67.0-23.0)\°C\\ \\Q=2582J=2.58kJ

It is positive as the heat is entering, therefore the temperature raises.

Best regards.

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maxonik [38]

Answer:

the direction of the object

Explanation:

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According to my mind and my biology test, it is B) Low concentration of oxygen IN THE BLOOD; high concentration co2 in the tissue
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