Which of the following changes are classified as physical changes? -dissolving sugar in hot tea
-petrifying wood
-cutting an apple into smaller pieces
-carving wood
-Oburning wood

Which of the following is true for the actual yield of a reaction? it is always calculated as a ratio. it is the yield from the excess reactant. it is the yield from the limiting reactant. it is always less than the theoretical yield.

If two objects at different te,peraure are in contact with each other what happens to their temperature

Which statement explains why the bonds between non metals tend to be covalent? the bonds are found to be nondirectional they have large differences in electronegativity they have small differences in electronegativity they have ions that produce an electrostatic pull