Fe2O3 (s) + 3 CO (g) 2 Fe (s) + 3 CO2 (g) 1. Calculate the number of grams of CO that can react with 250 g of Fe2O3.

2. Calculate the number of grams of Fe and the number of grams of CO2 formed when 250 grams of Fe2O3 reacts.

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.

Olá. porque a reação na temperatura é muito rapida a do copo : )

High-energy and unstable.

A. ​it generates energy from carbohydrates.b. it requires activation by oxygen.​c. ​it is used by cells to dispose of excess electrons