Answer:
<h2>A.EARTH PASSES BETWEEN THE SUN AND THE MOON</h2>
Explanation:
When Earth passes directly between Sun and Moon, its shadow creates a lunar eclipse.
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Explanation:
Moving from left to right across a period, the atomic radius decreases. The nucleus of the atom gains protons moving from left to right, increasing the positive charge of the nucleus and increasing the attractive force of the nucleus upon the electrons.
The molecular compound in the given statement is CH₆N₂.
<h3>What defines a molecular compound?</h3>
Chemical compositions of molecules that make up molecular compounds reflect the number of elements that are really bound together within the molecule. Due to the sides and angles of a atoms' links to one another, the complex has a certain structure.
<h3>Briefing:</h3>
Consider 140.22 g/mol of compound
Carbon = 140.22 * 51.38/100
Carbon = 72 gm = 1 mol
Hydrogen = 140.22 * 8.64/100
Hydrogen = 12 gm = 6 mol
Nitrogen = 140.22 * 39.97/100
Nitrogen = 56 gm = 2 mol
The molecular compound is CH₆N₂.
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The complete question is -
A compound with molar mass 140.22g/mol is known to contain 51.38% carbon, 8.64% hydrogen and 39.97% nitrogen. Find the molecular of this compound.
Answer:
The strength of these force of attraction is lesser in chalk hence it could be easily broken into small pieces by hammering. But the strength of inter molecular force of attraction is very strong in iron therefore it is not possible to break them into pieces by hammering.
Explanation:
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Answer:
CaS + 2H2O is the balanced equation
