You happen upon an antiques store and the clerk claims that he has a belt that was once worn by alexander the great, around 350 bc. you radiocarbon date it and find the percent of carbon to be 75% remaining. could the belt be genuine?

What are the major products produced in the combustion of c10h22 under the following conditions? write balanced chemical equations for each. a. an excess of oxygen b. a slightly limited oxygen supply c. a very limited supply of oxygen d. the compound is burned in air

What is the density of the black hole

Frictional forces acting on an object are often converted into energy, which causes the temperature of the object to rise slightly.