15 points here if you could me out : ) dimethlylhydrazine has a molar mass of 60.10g/mol. it is made up of carbon, hydrogen, and nitrogen atoms. the combustion of 2.859g of dimethlylhydrazine in excess oxygen yields nitrogen, 4.190g co2, 3.428g h2o, what are its empirical and molecular formulas?

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Answer: temperature? i hope this and have a wonderful

Vander waals forces are inter molecular bonds that exist within molecules of the same substance. a water molecule is made up of oxygen and hydrogen atoms which share electrons between each other. the vander waals forces are forces that exist between multitude of different  molecules of water. dipole dipole forces is the type of vander waals force that exist in water. the oxygen atom which is more electronegative pulls the shared electron closer to itself thus generating a partial negative charge while the hydrogen acquire a partial positive charge. these two different charges causes attraction to occur in water molecules.