Identify the mole ratio that can be derived from the following balanced chemical reaction: 4 fe + 3 o2 --> 2 fe2o3 a. 4 mol fe/3 mol o2 b. 3 mol fe/2 mol fe2o3 c. 3 mol o2/3 mol fe2o3 d. 2 mol o2/3 mol fe2o3

Select the correct answer. which statement is true about a polarized object? o a. it gains electrons and becomes negatively charged. ob. it gains protons and becomes positively charged. oc. the number of positive and negative charges can be the same. od. it has to be a metal. o e. there is no change in the distribution of the charge in the object. reset next what

Describing intermolecular forces use the drop down menus to match the type of intermolecular force to its name dipole dipole interactions dipole induced dipole interactions london dispersion forces hydrogen bond van der waals forces done

How many grams of oxygen gas are contained in a 15 l sample at 1.02 atm and 28°c? show your work.