Which statement regarding the second law of thermodynamics is true?

1 answer:

4 0

The Second Law of Thermodynamics says that processes that involve the transfer or conversion of heat energy are irreversible. ... The First Law of Thermodynamics states that energy cannot be created or destroyed; the total quantity of energy in the universe stays the same.

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Arrange steps in order to describe what happens to a gas when it is cooled

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A) Particles of gas move slower.

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C) The gas loses thermal energy.

D) Gas particles decrease.

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Which is a property that Mendeleev predicted for gallium (Ga)?

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The correct option is B.
Mendeleev was the one who originated the idea of arranging elements in the periodic table according to their chemical and physical properties. He left spaces in the periodic table and predicted the discovery of those elements that had not been discovered then. One of these elements is Gallium. He predicted that gallium is going to be a metal and he gave the properties that the element will possess. He also predicted that the element gallium will be placed under aluminium in the periodic table.

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The boiling point of a substance in City A is found to be 145°C the boiling point of th same substance in Xity B is 141°C which

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City B. Higher altitudes have lower boiling points due to lower atmospheric pressure at higher altitudes

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Which of the following is non polar covalent bond?

vladimir2022 [97]

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N-Cl