Suppose you are assigned two unknowns, compound a and compound b. one unknown is a fat, while the other is an oil. you dissolve a small amount of compound a in cyclohexane. after you add 4 drops of a cyclohexane solution containing bromine, the reaction mixture retains the bromine color. when you add the bromine solution to compound b, the bromine color remains after you add 1 drop of the test solution. which substance, a or b, is more likely to be an oil?

Why is the bond angle in a water molecule less than the bond angle of methane? a. the central oxygen atom in water has two lone pairs of electrons, whereas the central carbon atom in methane has no lone pairs. b. the central hydrogen atom in water has one lone pair of electrons, whereas the central carbon atom in methane has two lone pairs. c. the central oxygen atom in water has four lone pairs of electrons, whereas the central carbon atom in methane has only one lone pair. d. the central oxygen atom exerts more repulsive force on surrounding atoms than the central carbon atom in methane does. reset next

If one fission reaction of a uranium-235 atom produced two neutrons, how many neutrons would be released if the chain reaction occurred three more times?

Select all the correct answers.which compounds have the empirical formula ch20? (multiple answers)a.c2h4o2b.c3h603c.ch2o2d.c5h1005e.c6h1206