Why is it important to maintain the reaction temperature low and the addition of nitric acid- sulfuric acid mixture to be carried out slowly?
propose a structure for one of the reaction side-products, methyl dinitrobenzoate. explain your proposal using arguments based upon the electrophilic reaction directing effects of substituents present in methyl m-nitrobenzoate.

Which statement best describes the relationship between period and frequency of light waves? a) in wave b the period increases and the frequency decreases from wave a. b) in wave a the period increases and the frequency decreases from wave b. c) in wave b the period is shorter and the frequency is greater than in wave a. d) in wave a the period is shorter and the frequency is greater than in wave b.

Which three statements represent the benefits of performing experiments using computer simulations?

The chemical formula for emerald is be3al2(sio3)6.an emerald can be decided as