What are two radioactive isotopes that are used for dating rocks that are older than 10 million years

Which statement is true about this reaction? 14n+1h 15o it is a practical source of energy on earth. it occurs only outside the solar system. its product is heavier than each of its reactants. it shows the critical mass of an element.

In the space, show a correct numerical setup for calculating the number of moles of co2 present in 11 grams of co2

A2.5% (by mass) solution concentration signifies that there is a 2.5 % (by mass) solution concentration signifies that there is blank of solute in every 100 g of solution. of solute in every 100 g of solution