Chemistry, 13.04.2021 19:10 sharnisefrazier
A battery used in a mechanical toy stores 10,000 kJ of energy. The toy 5 points
expends 7,500 kJ of energy before the battery runs out of energy. What is
the efficiency of the system?
Answers: 3
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Which best describes how johannes kepler developed his laws of planetary motion
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What type of energy do chemical bonds have? what type of energy is it converted to during chemical reactions? question 15 options: chemical bonds have kinetic energy, which is converted to potential energy during chemical reactions. chemical bonds have electric energy, which is converted to potential energy during chemical reactions. chemical bonds have heat energy, which is converted to kinetic energy during chemical reactions. chemical bonds have potential energy, which is converted to heat energy during chemical reactions.
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Chemistry, 22.06.2019 19:00
Which is the solubility product expression for caf2(s)?  [ca2+]/[f–]2  [ca2+][f2–]  [ca]+[f]2  [ca2+][f–]2
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A battery used in a mechanical toy stores 10,000 kJ of energy. The toy 5 points
expends 7,500 kJ of...
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