Astudent places three ice cubes in a beaker and allows them to partially melt. if she measures the temperature of the water in the beaker, what will she most likely observe? explain your answer.

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

In order to complete this lab. you will need to be familiar with some common chemistry terms. complete the chemical change puzzle and list the relevant terms and their meaning below a.rectant b.product c.supernate

Balance the following reaction. as2s3 + 9o2 → 2as2o3 + so2