38. Given that a reaction absorbs energy and has an activation energy of 50 kJ/mol, which of the following statements are correct?
(1) The reverse reaction has an activation energy equal to 50 kJ/
mol.
(2) The reverse reaction has an activation energy less than 50 kJ/mol.
(3) The reverse reaction has an activation energy greater than 50 kJ/mol.
(4) The change in internal energy is less than zero.
(5) The change in internal energy is greater than zero.
a.
1&4
b. 2 & 4
c. 3&4
d. 2 & 5

Which statement explains which component is likely to be more powerful in explaining a scientific phenomenon? a) component c, because a theory is often passed on possibility and not certainty b) component d, because a hypothesis is often based on possibility not certainty c) component c, because the ability to explain several occurrences in the natural world is a characteristic of a hypothesis d) component d, because the ability to explain several occurrences in the natural world is a characteristic of a theory