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12. what element is this? how do you know? for question #13, use the following picture:
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In the reaction between a crushed antacid tablet and vinegar what gas is emitted
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How does the motion of particles in a gas change as the gas cools
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Chemistry, 22.06.2019 16:50
Which of the following is an indication that a substance has undergone a chemical change? a. no new product has been formed. b. the color of the substance has not changed. c. the original constitute has not changed. d. the molecular structure has changed.
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Chemistry, 22.06.2019 19:50
Which sentence from holes contains an implied personality trait? stanley and his parents had tried to pretend that he was just going away to camp for a while, just like rich kids do. he'd just been in the wrong place at the wrong time. stanley felt somewhat dazed as the guard unlocked his handcuffs and led him off the bus. stanley nodded to show he understood
Answers: 3
12. what element is this? how do you know? for question #13, use the following picture:...
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