Which of the following pairs share the same empirical formula?

select one:
a. ch4 and c2h4
b. pbcl2 and pbcl4
c. n2o5 and no2
d. c2h6 and c4h12

Si una estrella no tiene paralaje medible, ¿qué puedes inferir?

Consider the equilibrium system: 2icl(s) ⇄ i2(s) + cl2(g) which of the following changes will increase the total amount of of cl2 that can be produced? all of the listed answers are correct decreasing the volume of the container removing the cl2 as it is formed adding more icl(s) removing some of the i2(s)

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