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Scilla [17]
3 years ago
13

When two substances are mixed together, a color change is observed. Does this mean that a chemical reaction has definitely occur

red?
Physics
1 answer:
Elanso [62]3 years ago
7 0
Nope, color change can also occur during a physical change. 
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To warm 2.0 l of tea (d = 1.01 g/ml; sp. heat = a cook places a 500 g block of stone at a temperature of 200f into the teapot. a
IRISSAK [1]
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2. The car slows down from 36 m/s to 15 m/s over a 3.0 second time interval. What is its average acceleration?
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9 meter per second square

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2 years ago
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Another ship travels at an average velocity of 26 km/h for

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3 years ago
Explain why it is dangerous to touch the live wire when a switch in the<br> mains circuit is open.
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