Answer:
Molecules must collide with sufficient energy, known as the activation energy, so that chemical bonds can break. Molecules must collide with the proper orientation. A collision that meets these two criteria, and that results in a chemical reaction, is known as a successful collision or an effective collision.
Answer:
(A)
Explanation:
Answer is (a) Both the assertion and the reason are correct and re!son is the correct explanation of the assertion
<span> some unique properties about ice that differ from liquid water to water vapor are that it is a solid, not a liquid or gas. It also expands. </span>
Answer:
24) F. 3 mol.......ratio of hydrogen and oxygen is 2:1 , if hydrogen 6 then oxygen 3
25) B. 2.5 moles ......take ration fo 2RbNO3 and O2 which is 2:1 then if RbNO3 has 5 moles these O2 will have 2.5 moles
