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Chemistry, 22.06.2019 23:30
The comparison of the number of atoms in a copper coin the size of a penny with the number of people on earth is made to illustrate which of the following? a. that atoms are indivisible b. that atoms are very small c. that atoms are very large d. that in a copper penny, there is one atom for every person on earth
Answers: 1
Chemistry, 23.06.2019 00:00
Exit what is the density of an object having a mass of 5.0 g and a volume of 45.0 cm3?
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Chemistry, 23.06.2019 02:00
An alpha particle is: a hydrogen atom a nucleus of helium two neutrons an electron
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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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Which ingredients are needed to transform nadp to nadph?....
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