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17.10.2020 •
Chemistry
An 1875 watt hair dryer has a resistance of 8.3 ohms and a capacity of 15 amps if 110 V of electricity is delivered to the hair dryer then is the hairdryer operating at its fullest compacity? Explain your awnser and support your answer with mathmatical evidence
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Ответ:
A physical change in a substance doesn't change what the substance is. While a chemical change is where there is a chemical reaction, a new substance is formed and energy is either given off or absorbed.