Chemistry, 04.08.2019 20:30 maricelajacinto3379
Which of the following best represents potential energy being converted to kinetic energy? (2 points) the chemical energy in a battery is used to power a cell phone. the movement of wind turns a windmill that generates electricity. a man pedals a bicycle to ride across town. a woman kicks a soccer ball and scores a goal.
Answers: 2
Chemistry, 21.06.2019 23:50
How will the emission of an alpha particle affect the atomic number of an atom
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Chemistry, 23.06.2019 03:00
Give a real-world example of an energy transformation that uses two of the following forms of energy: chemical, mechanical, nuclear, gravitational, radiant, electrical, thermal (heat), and/or sound.
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Chemistry, 23.06.2019 04:31
Which of the following is an example of how telecommunication devices people do their jobs? a.) a security guard checks the time using a digital watch. b.) a banker does some quick math using a solar calculator. c.) a nurse uses a digital thermometer to take a patient’s temperature. d.) a construction worker reports in to his office using a cell phone.
Answers: 1
Chemistry, 23.06.2019 07:30
Which statement is actually true about the relationship between activation energy and reaction rates? low activation energy barriers result in low rates. high activation energy barriers result in low rates. low activation energy barriers result in no reaction. high activation energy barriers result in no reaction.
Answers: 2
Which of the following best represents potential energy being converted to kinetic energy? (2 point...
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