Cuales eran los tres cultivos principales en México y America central ? A. El cacao , el maní , el aguacate B. El chile , la papa , el tomate , C . El maíz , el frijol , y la calabaza

4moles of nitrogen gas are confined to a 6.0 l vessel at 177 °c and 12.0 atm. if the vessel is allowed to expand isothermally to 36.0 l, what would be the final pressure?

Which formula can be used to calculate the molar mass of ammonia (nh3)? molar mass of n + molar mass of h 3 × molar mass of n + molar mass of h molar mass of n + 3 × molar mass of h 3 × molar mass of n + 3 × molar mass of h

Which of the following describes a situation where competition between producers exists