Two moles of magnesium (mg) and five moles of oxygen (o2) are placed in a reaction vessel. when magnesium is ignited, it reacts with oxygen. what is the limiting factor

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

8. what happens to matter during a chemical reaction

Which substance can be broken down by chemical means