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What is true about the elements that make up a mineral?
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Ammonia enters the expansion valve of a refrigeration system at a pressure of 10 bar and a temperature of 18oc and exits at 6.0 bar. the refrigerant undergoes a throttling process. determine the temperature, in oc, and the quality of the refrigerant at the exit of the expansion valve.
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Sort the images based on whether there's a force of attraction or repulsion between the magnets shown. attraction repulsion
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What is true about the elements that make up a mineral?...
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