Brass is an alloy made from copper and zinc. A 0.59 kg brass candlestick has an initial temperature of 98.0°C. If 2.11 X 10^ J of energy is removed from the candlestick to lower its temperature to 6.8°C, what is the
specific heat of brass?

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In a hydrogen molecule there are a total of four charges, 2 protons in the two nuclei, and 2 electrons. how many unique charge-pairs are there (without double counting)?

Aspaceship starting from a resting position accelerates at a constant rate of 9.8 meters per second per second. how far will the spaceship travel if its final speed is 1 percent the speed of light (300,000,000 m/s)? a. 3.1 × 106 m b. 2.94 × 108 m c. 7.8 × 1010 m d. 4.6 × 1013 m