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1. A carbon atom contains 6 protons and 6 electrons. In order for the carbon atom to become negatively charged, what must happen?

An isolated box with volume V is initially split into two halves by a partition. One side has gas at temperature T with pressure P and number of molecules N, and the other side has nothing (it is a void).

In the figure, a ball is thrown leftward from the left edge of the roof, at height h above the ground. The ball hits the ground 2.40 s later, at distance d = 27.0 m from the building and at angle θ = 59.0° with the horizontal. (a) Find h.

When an experiment is replicated, how should the results of the two experiment compare?

What fraction of Earth's volume is taken up by the core?

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Which states the law of conservation of energy? A. Energy cannot be created or destroyed, but it can be converted or changed into different forms. B. Energy can be created or destroyed, and it can be converted or changed into different forms. C.

What is density? How can you find density?

A 15 kg child experiences an acceleration of 0.25 m/s2 as she is pulled 1.7 m horizontally across the floor by her sister. what is the change in the child's kinetic energy?

A piece of candy has 5 calories (or 5000 calories). if it could be burned, leaving nothing but carbon dioxide and water, how much heat would it give off?