Two alternative procedures may be used to compare the effect of concentration on reaction rate. The first was demonstrated in the Introductory Activity. The second procedure involves the change in mass of the reaction mixture versus time. How would you expect the mass of the system to change as the reaction proceeds

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

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What are the two basic types of satellites