2 years ago

1 ______ energy is stored in the zinc rod, the copper rod, and their solution

1 answer:

3 0

1 ______ energy is stored in the zinc rod, the copper rod, and their solution

Chemical

2 the glowing of the bulb indicates that ______ energy is produced.

electrical

3 the flow of electrons through the wire produces _____ energy

electrical

4 ____ energy is converted into electrical energy

chemical

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The specific heat of palladium is 0.239 J/g°C. How much heat (q) is released when a 10.0 g piece of platinum cools from 100.0°C

Andrej [43]

Answer:

119.5 J

Explanation:

First we calculate the temperature difference:

ΔT = 100 °C - 50 °C = 50 °C

Then we can calculate the heat released by using the following formula:

q = Cp * ΔT * m

Where q is the heat, Cp is the specific heat, ΔT is the temperature difference and m is the mass.

We input the data:

q = 0.239 J/g°C * 50 °C * 10.0 g

q = 119.5 J

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