Fe2O3(s) + CO(g) Fe(l) + CO2(g) How many grams of Fe2O3(s) will be required to produce 1.90 moles of Fe(l)?

One does not belong why? ice, gold ,wood ,diamond and table salt

Select all that apply. using a value of ksp = 1.8 x 10-2 for the reaction pbcl2 (s) pb+2(aq) + 2cl -(aq). the concentration of the products yield a ksp of 2.1 x 10-2:

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