A3.50 g sample of rice is burned in a bomb calorimeter containing 1680 g of water. the temperature of the water increases from 22.75°c to 27.84°c. how much heat, in joules, did the rice sample release when it burned? (c water = 4.184 j/g°c)1.88 x 10 5 j2.39 x 10 5 j5.08 x 10 4 j3.58 x 10 4 j4.22 x 10 2 j

How much energy moves onto the next level, in an energy pyramid

How does a hydroelectric power plant converts energy into energy.

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