Sarah performs an experiment to see whether bees prefer red flowers or yellow flowers. Look at this table of results from the experiment. What is the independent variable in this investigation?
A. time
B. color of flower
C. total number of bees
D. number of bees at each flower

How many grams of n2h4 will be consumed by 23 g of n2o4

Reduction is a reaction which results in a in electrons and a in positive charge of the atom or ion 1) a- loss 1) b- gain 2) a-increase 2) b-decrease

You just calculated that the heat of fusion for chloromethane is 6400 j/mol. the heat of fusion for hydrogen is 120 j/mol.? which of the following account for this difference? more than one correcta. chloromethane can absorb more energy at the same temperature. b. hydrogen has stronger intermolecular forces than chloromethane. c. hydrogen molecules can pack more closely than chloromethane molecules. d. chloromethane experiences dipole-dipole interactions. e. chloromethane has a higher molar mass than hydrogen.