En fósforo P4 reacciona con el bromo para producir tribromuro de fósforo, si se hace reaccionar 100 g de bromo, obteniendo 90,4 g. del producto. ¿Cuál es el % de eficiencia de la reacción? PA ( Br = 80, P = 31 ) P4 + Br2 > PBr3

What type of energy do chemical bonds have? what type of energy is it converted to during chemical reactions? question 15 options: chemical bonds have kinetic energy, which is converted to potential energy during chemical reactions. chemical bonds have electric energy, which is converted to potential energy during chemical reactions. chemical bonds have heat energy, which is converted to kinetic energy during chemical reactions. chemical bonds have potential energy, which is converted to heat energy during chemical reactions.

How many atoms or molecules are there in a mole of a substance?

Which of these describes how heat is transferred by convection* a. sunlight travels through space without the aid of fluids or solids. b. warm air rises and takes the heat with it, eventually, it cools and sinks c. air at the equator rises and sinks at the poles. d. air molecules touch the warm ground, heating them up *not conduction