24. The half-life of iodine-131 is 8.1 days. How long will three-fourths of a sample of iodine-131 take to decay?

What is the mass defect of a mole of nuclei with 1.8 x 10^15 j/mol binding energy?

What are transitions between a liquid and a solid called? identify which way they are transitioning

24. a sports ball is inflated to an internal pressure of 1.85 atm at room temperature (25 °c). if the ball is then played with outside where the temperature is 7.5 °c, what will be the new pressure of the ball? assume the ball does not change in volume nor does any air leak from the ball a) 0.555 atm b) 1.74 atm c) 1.85 atm d) 1.97 atm