How long did it take Pioneer 10's radio signals, traveling at the speed of light, take to reach Earth from the distance of Pluto in April 1983, a distance of 4.58 x 10^12 m ? Express your answer in hours.

If 10.g of agno3 is available, what volume of 0.25 m agno3 can be prepared

The formation of a solid, also known as a is an indication of a chemical change. precipitate particulate particle powder

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