N2 +3h2 2nh3 how many moles of hydrogen are needed to completely react with two moles of nitrogen?

The ratio of N₂ to hydrogen is 1:3
so if N₂ is 2 then hydrogen will be six
2:6.
6 moles

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.