Carbon-14 has a half-life of 5720 years and this is a first order reaction. if a piece of wood has converted 25% of the carbon-14, then how old is it?

Complete this brønsted-lowry reaction placing each product by its appropriate label. hso4- + hcn

Why does a plastic bottle that is sealed at a high altitude change it’s shape when taken to lower altitude

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.