Murphree efficiency and actual number of trays. for the
distillation of heptane and ethyl benzene in problem 11.4-2, the
murphree tray efficiency is estimated as 0.55. determine the actual
number of trays needed by stepping off the trays using the tray
efficiency of 0.55. also, calculate the overall tray efficiency
eo.

2positives of biotechnology: 1. plants have become more resistant to viruses and other communicable pests.2. with the of biotechnology, we have been able to produce better tasting fruits as well as vegetables.2 negatives of biotechnology: 1. biotechnology poses a number of environmental threats. genetically modifies crops often infect monarch butterflies and other insect species.2. viruses could combine with crops.

Idon’t know sorry i don’t know the answer i’m s sorry