A 7.50 g sample of potassium 40 was collected after 8.757 x 10^9 years 0.05859 g of the sample remained. what is the half life of potassium 40?

The nuclear fission process releases neutrons and question 27 options: alpha particles electrons energy beta particles

You exhale co2 which is produced during cellular respiration.  co2 combines with the water in your blood's plasma to make up one half of the body's most important buffer pair, carbonic acid.  the more physical activity you engage in, the more co2 your body is producing.  you can see this by putting some of the cabbage indicator in a glass and then blowing bubbles into it through a straw.  can you see a change in the color of the indicator?

What is the compound name for the formula [ru(en)2cl2]2+ and [co(en)cl2br]-