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Slav-nsk [51]
3 years ago
6

Oil is used for political power by some countries. True False

Chemistry
1 answer:
makvit [3.9K]3 years ago
7 0
It’s truuueee

Explaining:
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A star is observed from two positions of Earth in its orbit, in summer and winter. Which of these is the best method to calculat
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D. Calculate the variations in the potions of the star due to movement of Earth in its orbit

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(ii) Electrons are supplied to the external circuit. How and where is this done?<br> [2]
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The electrons are supplied by the species getting oxidized. They move from anode to the cathode in the external circuit. The external battery supplies the electrons. They enter through the cathode and come out through the anode

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One mole of ANY element contains the:
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1)The molar mass of an atom is simply the mass of one mole of identical atoms. However, most of the chemical elements are found on earth not as one isotope but as a mixture of isotopes, so the atoms of one element do not all have the same mass.

2)Equally important is the fact that one mole of a substance has a mass in grams numerically equal to the formula weight of that substance. Thus, one mole of an element has a mass in grams equal to the atomic weight of that element and contains 6.02 X 1023 atoms of the element.

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3 years ago
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Properties of a substance such as vapor pressure and surface tension depend on electrical forces between particles, as given by Coulomb's law.

The vapor pressure refers to how easily a liquid converts to gas while surface tension is the force that makes a liquid surface act as a stretched elastic skin.

Both vapor pressure and surface tension has a lot to do with the degree of polarity in a molecule. Usually, polar molecules have a low vapor pressure and high surface tension due to a high electrical forces between particles, as given by Coulomb's law.

Learn more: brainly.com/question/13440572

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The one with higher mass has a higher density because it fits more mass into the same amount of space (volume).

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