Write and balance the chemical equations, with physical states, for all reactants and products for the following descriptions: Liquid bromine and solid iodine are combined to produce solid iodine tribromide.
Liquid

18. use the activity series to predict whether the following synthesis reaction will occur. write the chemical equations for the reaction if it's predicted to occur. (s) + o2(g) -> *note: it is possible.*

Needthe meter is the standard unit for: 1) height 2) length 3) weight 4) mass

Why does the sun appear to be the brightest star in the sky? a- its apparent brightness is much greater than other stars. b- it burns more gas, making it brighter than any other star. c- it is the largest star in the galaxy, so it is the brightest star. d- its relative distance to earth is closer than the other stars.