Write down chemical reaction equations of the of 2,4- dinitrophenylhydrazine (DNP) and second simplest aldehyde.

Areaction is first order with respect to reactant x and second order with respect to reactant y. which statement describes the rate law for this reaction?

Answer asap need it by wednesday morning calculate the ph of 0.02m hcl best answer will be brainliest

Which statement best summarizes the importance of ernest rutherford’s gold foil experiment? it proved that all of john dalton’s postulates were true. it verified j. j. thomson’s work on the atomic structure. it showed that an electron circles a nucleus in a fixed-energy orbit. it showed that a nucleus occupies a small part of the whole atom.