Is the reaction above a replacement reaction? Explain.

Calculate the energy required to ionize a hydrogen atom to an excited state where the electron is initially in the n = 5 energy level. report your answer in kilojoules

Many pharmaceutical drugs are organic compounds that were originally synthesized in the laboratory. which two scientific disciplines are bridged by pharmaceutical drugs? chemistry and forensics chemistry and medicine biology and forensics biology and criminology

15. what volume of cci, (d = 1.6 g/cc) contain6.02 x 1025 cci, molecules (ci = 35.5)(1) 10.5 l(2) 250 ml(3) 9.625 l(4) 1.712 lplz answer with step by step explanation