Calculate the volume of an ideal plug flow reactor for the following scenario. the volumetric flow rate is 6,500 m3/day and species a is being removed or converted according to a first-order reaction as follows: dca/dt = - k ca, where ca is the concentration of species a and k = 9,000 d-1. a 95% removal or conversion of species a is required.

Which of the following observations indicates that there is a small, dense, positively charged part in the center of an atom? some uncharged particles are scattered by a gold foil. all uncharged particles are attracted towards a gold foil. all positively charged particles pass straight through a gold foil. some positively charged particles bounce back from a gold foil.

The chemical equation below shows the reaction of sodium (na) and chlorine (cl) to form sodium chloride (nacl). 2na + cl2 → 2nacl in this equation, which of the following is a reactant? i. sodium ii. chlorine iii. sodium chloride

An atom with 7 protons, 6 neutrons, and 7 electrons has an atomic mass of amu. (enter a whole number.) numerical answers expected! answer for blank 1: