28. How many moles of BaSO4 could be obtained from 0.75moles of BaCl2 via the precipitation reaction: BaCl2(aq) + Na2S04(aq) --> 2NaCl(aq) + BaSO4(s)?​

vanderwaal's forces of attraction are the electrostatic intermolecular forces that exist in a molecule due to the temporary or permanent dipoles that are developed in a molecule. in , the major intermolecular forces are dipole-dipole interactions as the molecule is polar (bent structure). so the vanderwaal's forces of interaction in between molecules are the permanent dipole-dipole interactions that develop due to the dipole that exists in between the polar h - s bond. the positively charged hydrogen atom is attracted towards the negative end of the dipole that is sulfur of the adjacent molecule. therefore, these forces of attraction are relatively stronger than that of london dispersion forces that exist in non polar molecules.

answer by yourhope:

how do models compare to real-world objects?

d. most models represent a real-world object in a simpler way.

: )

answer: mole of the gas

answer: mole of the gasexplanation:

answer; the numbers of valence electrons in the acetic acid molecule (ch3co2h) is 24;