Why does increasing the concentrations of two reactants in solution make a reaction proceed more quickly?
A. When the particles have more room to move, they can collide in a
better orientation.
B. Increasing the concentrations of reactants reduces the activation
energy of the reaction.
C. When there are more particles in the same space, they collide
more often.
D. Increasing the concentrations of reactants increases the speed of
the particles.

If a || b and e || f, what is the value of y ?

What is the most stable monatomic ion formed from nitrogen

Salicylic acid is a very important acid. it is used to synthesize the aspirin by treating with acetic anhydride. a 0.2015-g sample of salicylic acid was dissolved in a 100.00-ml volumetric flask, and the solution was diluted to the mark. a 10-ml aliquot of this solution was titrated with standard naoh (0.01130 + 0.2% n) to a phenolphthalein faint pink color end point at 19.81 ml. (a) (calculate the normality of the salicylic acid solution used in the titration. (b) assuming the salicylic acid is pure, what is the equivalent weight of the salicylic acid? practice problems for the final exam (continued) (c) (calculate the inherent error in the determination of the equivalent weight you calculated in part (b). use the following absolute errors in the equipment /glassware when calculating the inherent error. 5.00-ml pipet: + 0.02 ml 100-ml volumetric flask: + 0.08 ml analytical balance: + 0.2 mg 25-ml buret: + 0.03 ml