Which sentence about particles in matter is true? ОА.
Atoms are present in solids and liquids but not in gases.
OB.
The particles of matter are in constant motion.
O c.
The same kinds of atoms are found in different elements.
OD.
When a solid changes to a liquid, the sizes of the particles change.

In the derivation of rrkm theory, a factor of 1/2 is introduced when equalizing the rates of formation and decomposition of activated complex as keal-hr) = ko this is clearly against the assumption of transition state theory that states all the activated complex in the transition state iss going to the product. find the reason why this factor is introduced here.

In positive numbers less than 1, the zeros between the decimal point and non zero are significant

While goofing off at the ice skating rink, a student takes off her shoes and places each of them on the ice. her friend, a hockey player, then shoots a hockey puck at each shoe. the first puck immediately comes to rest after it collides with the left shoe. the second puck rebounds after it collides with the right shoe. if each hockey puck has the same incoming speed, which shoe has greater speed after the collision? the right shoe. both shoes have the same speed. the left shoe.