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What is the bond angle of methane (CH4) molecule and how can we predict it using the VSEPR theory?
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5 days
ago
in
Chemical bonding
0
votes
55
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Calculate the lattice energy of MgO if the charge on the magnesium ion is +2 and the charge on the oxide ion is -2. The ionic radius of Mg2+ is 0.072 nm and the ionic radius of O2- is 0.140 nm.
answered
Jan 23
in
Inorganic Chemistry
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56
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What is the fight or flight response, and what brain area is responsible?
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Jan 20
in
Psychology
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35
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When evaluating the effectiveness of cognitive behavioural therapy, what is meant by maintenance of gains?
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Jan 15
in
Psychology
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13
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Time, mass, length, and temperature are considered to be what kinds of units?
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Jan 2
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Science
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47
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Producing light without heat is called what?
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Dec 31, 2024
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Science
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