Calculate the δgorxn for the following reaction at 25.0oc
pb2+(aq) + mg(s) ⟶ pb(s) + mg2+(aq)
record your answer in kj.

african americans demonstrated their newly found freedom by relocating often in search of relatives whom they had been separated from during slavery. others established schools to educate freed people and they built institutions such as churches and political organizations to advocate for their rights.

a electronegativity decreases beacuse the size of nucleus is bigger.

answer: any goods being imported from another country may be subject to issued by the federal government are tariffs

explanation:  

tariffs are a tax on anything that are imported from abroad. government use them to protect and boost their local industries and the thought is that they encourage consumers to buy local instead of importing and they will hope will protect jobs and economy in the country that implements them