Ayuda me urgue por favor ¿Qué presión ejerce sobre el suelo un vehículo de 2Ton, sabiendo que cada una de sus cuatro ruedas se apoya sobre una superficie de 60cm^2?​

5g of ammonium nitrate was dissolved in 60g of water in an insulated container. the temperature at the start of the reaction was 23.0°c and at the end it was 19.0°c. calculate the energy absorbed by the reaction.

What are the starting materials for nuclear fission? two small nuclei two large nuclei a neutron and a large nucleus a neutron and a small nucleus

Area around a charged object where the objects can exert a force on another charged objects is an electric