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How Identify the most important types of interparticle forces present in the solids of each of the following substances ? a. #Ar# b. #CH_4# c. #HCl# d. #CO# e. #HF# f. #NaNO_3# g. #CaCl_2#

Answer 1

Ar = van de waals forces or london forces #CH_4# = van de waals forces or london forces HCl=permanent dipole-dipole interactions CO = permanent dipole-dipole interactions HF = hydrogen bonding #NaNO_3# = permanent dipole-dipole interactions #CaCl_2# = van de waals forces or london forces

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Answer 2

Naomi Aronson

a. Van der Waals forces: Ar; b. Van der Waals forces: CH₄; c. Dipole-dipole forces and Van der Waals forces: HCl; d. Dipole-dipole forces: CO; e. Van der Waals forces and hydrogen bonding: HF; f. NaNO₃: Ionic bonds; g. CaCl₂: Ionic bonds

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Answer from HIX Tutor

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.