How many unchanged atoms would remain after 3 half-lives if the initial sample had 600 atoms? explain.

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?

How does concentration affect reaction rate

How many moles of sulfur dioxide are produced when 4.38 moles of oxygen completely react with iron (iv) sulfide