Acharge of +13 *10^-9 c is placed 0.25 m away from a charge of -23*10^-9 c. what will be the resultant electrical force? a. 4.3 *10^-5 c, attractive b. 4.3 *10^-5 c, repulsive c. 5.1 *10^-20 c, attractive d. 5.1 *10^-20 c, repulsive

The first law of thermodynamics states that heat added to a system is neither created nor destroyed but is transformed ⇒ as it changes into other forms of energy.

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.

Critical mass is the of material required to produce a chain reaction. a.) minimum amount b.) atomic mass c.) precise amount d.) maximum amount