How much of a 500 g isotope sample is left after 62 hours if the half-life is 6.2 hours?

Use the table to answer question 22 23 and 24.

What are chlorofluorocarbons and what impact do they have on the atmosphere?

In a set amount of time, a battery supplies 25j of energy to an electric circuit that includes two different loads. one of the loads produces 10 j of heat energy during this time interval. how much heat energy is produced by the second load in this time? explain your answer