Percent purity of fe2o3 in original sample. fe2o3 + 3co - 2fe+3co2. 1.39 x 10^3 kg of fe is obtained from 2.22 x 10^3 kg sample of fe2o3. reaction goes to completion

Use examples from the article to explain one positive and one negative effect that chemistry has had on society.

According to the tide table below what time of day will the highest tide occur? (2 pt) the highest tide will occur at

The msds for glacial acetic acid says that it is a flammable liquid that can severely burn any human tissue it comes in contact with. it reacts with bases, various metals, and strong oxidizing agents. its vapors can form explosive mixtures with air.