What is the meaning of s e x and plz explain

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Energy is released during which phase changes? check all that apply. boiling condensing depositing freezing melting subliming

Iknow the answer to 13 is b and 14 is d. i just need to know why the correct answers are correct

Why is the bond angle in a water molecule less than the bond angle of methane? a. the central oxygen atom in water has two lone pairs of electrons, whereas the central carbon atom in methane has no lone pairs. b. the central hydrogen atom in water has one lone pair of electrons, whereas the central carbon atom in methane has two lone pairs. c. the central oxygen atom in water has four lone pairs of electrons, whereas the central carbon atom in methane has only one lone pair. d. the central oxygen atom exerts more repulsive force on surrounding atoms than the central carbon atom in methane does. reset next