Norway
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Ukraine
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Physical properties are properties that change form but not it's chemical compound
chemical properties are properties that change in chemical substance like burning tearing
Answer: The law of corresponding states is an empirical law according to which the equations of states for real gases are similar when these gases are expressed in reduced temperature, pressures, and volumes at critical point.
Answer:
ionic bonding occurs between ions and covalent bonding occurs when atoms have electrons in common (they share).
Answer:
Lewis structure for isomers of butane has been given below.
Explanation:
Butane is a saturated alkane with molecular formula 
. Due to different positing of methyl groups, positional isomerism exists in butane.
Butane has two positional isomers with same molecular formula. One is n-butane and another one is isobutane. Lewis structures of these two isomers have been given below.
