Answers: 1
Chemistry, 22.06.2019 08:00
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
Answers: 2
Chemistry, 22.06.2019 21:30
Describe at least two advantages and two disadvantages of using hydropower as a source of energy.
Answers: 2
Chemistry, 23.06.2019 01:40
Calcium carbonate decomposes at high temperatures to give calcium oxide and carbon dioxide as shown below. caco3(s) cao(s) + co2(g) the kp for this reaction is 1.16 at 800Β°c. a 5.00 l vessel containing 10.0 g of caco3(s) was evacuated to remove the air, sealed, and then heated to 800Β°c. ignoring the volume occupied by the solid, what will be the mass of the solid in the vessel once equilibrium is reached?
Answers: 1
Explain the law of conservation of mass...
English, 31.10.2019 07:31
Mathematics, 31.10.2019 07:31
Biology, 31.10.2019 07:31