Given the reaction: s(s)+ o2(g)- so2(g)+ energy which diagram best represents the potential energy changes for this reaction

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

Based on its chemical properties, identify the position of each chemical family on the periodic table.

The chart shows the bid provided by four contractors to complete a job. which contractor is the most cost-effective?