12. Suppose something contained 37% parent material and 63% daughter material. How many half-lives have passed?
I

In the following redox reaction which is the oxidizing agent and which is the reducing agent? alcl3 + na nacl + al

Suppose you have designed a new thermometer called the x thermometer. on the x scale the boiling point of water is 129 ? x and the freezing point of water is 13 ? x. part a at what temperature are the readings on the fahrenheit and x thermometers the same?

What is the empirical formula for c4h8o2