¿Por qué algunas reacciones necesitan ayuda para efectuarse?
(Como el calor o un catalizador)

Naoki's bicycle has a mass of 10 kg. if naoki sits on her bicycle and starts pedaling with a force of 168 n, causing an acceleration of 2.8 m/s2, what is naoki's mass?

What will most likely happen when two bromine atoms bond together?

Covalent compounds: mastery test select the correct answer what is formed when atoms join together with a covalent bond? a. an ion b. a molecule c. a neutral atom d. a noble gas