Part A A 60 kg laboratory worker is exposed to 30 mJ of beta radiation. What is the dose equivalent in mrem? Express your answer in millirems. IVO AEd d ? DE = 7.5 . 101 mrem Submit Previous Answers Request Answer X Incorrect; Try Again; 3 attempts remainingPart A The radium isotope 223 Ra, an alpha emitter, has a half-life of 11.43 days. You happen to have a 1.0 g cube of 22 Ra, so you decide to use it to boil water How long will it take the water to boil? for tea. You fill a well-insulated container with 500 Express your answer with the appropriate units. mL of water at 16 and drop in the cube of radium. OL HA ? At = 89.19 S Submit Previous Answers Request Answer X Incorrect; Try Again; 3 attempts remaining