13.
avogadro's constant has the same value as the number of
a.
molecules in 1 mol of solid iodine
atoms in 1 mol of chlorine gas.
c.
ions in 1 mol of solid potassium bromide (kbr).
d.
protons in 1 mol of helium gas.

Zoe is investigating the composition of substance a, an unknown substance. using chemical processes, she analyzes substance a and determines it is composed of sodium, oxygen, and hydrogen atoms in a ratio of 1 : 1 : 1. what is substance a? a. a compound b. an element c. a heterogeneous mixture d. a homogeneous mixture

The nuclear fission process releases neutrons and question 27 options: alpha particles electrons energy beta particles

Consider the reaction: n2(g) + o2(g) ⇄ 2no(g) kc = 0.10 at 2000oc starting with initial concentrations of 0.040 mol/l of n2 and 0.040 mol/l of o2, calculate the equilibrium concentration of no in mol/l how would this be done?