Chemistry, 22.01.2021 01:00 TayJoker966
Which of the following are examples of chemical energy being released or stored?
Fireworks burning and exploding in the sky
The wind blowing a seed through the sky
A guitar string making sounds
I only
I and II only
I and III only
I, II, and III
Answers: 1
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The is a particle with one unit of positive charge a. proton b. positron c. electron d. nucleus awnser quick it is a important science test!
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In 2002, the rare earth elements mine in mountain pass, california was closed because
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Inside a flashbulb, oxygen surrounds a thin coil of magnesium. when the flashbulb is set off, a chemical reaction takes place in which magnesium combines with oxygen to form magnesium oxide. which of the chemical equations matches the reaction above? a. mg + o2 mgo2 + energy b. 2mg + o mg2o + energy c. 2mg + o2 2mgo + energy d. mg + o mgo + energy
Answers: 1
Which of the following are examples of chemical energy being released or stored?
Fireworks burning...
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