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Chemistry, 05.02.2020 11:44 yvettegonzalez3390yg
1. the dissolution of water in octane (c8h18) is prevented by a) london dispersion forces between octane molecules b) hydrogen bonding between water molecules c) dipole-dipole attraction between octane molecules d) ion-dipole attraction between water and octane molecules e) repulsion between like-charged water and octane molecules
2. for a substitutional alloy to form, the two metals combined must have similar a) ionization potential and electron affinity. b) number of valance electrons and electronegativity. c) reduction potential and size. d) atomic radii and chemical bonding properties. e) band gap and reactivity.
3. as a polymer becomes more crystalline, a) its melting point decreases b) its density decreases c) its stiffness decreases d) its yield stress decreases e) none of the above is correct.
4. list the substances ccl4, cbr4, and ch4 in order of increasing boiling point and give the reason.
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