What mass of 14C, with a half-life of 5730 y, do you need to provide a decay rate of 280.0 Bq? The mass of 14C is 14.00 u, and 1 u = 1.6605 × 10-27 kg.
A) 8.68 × 10-13 kg B) 5.38 × 10-19 kg C) 1.70 × 10-12 kg D) 3.84 × 10-20 kg
What mass of 14C, with a half-life of 5730 y, do you need to provide a decay rate of 280.0 Bq?
What mass of 14C, with a half-life of 5730 y, do you need to provide a decay rate of 280.0 Bq? The mass of 14C is 14.00 u, and 1 u = 1.6605 × 10-27 kg.A) 8.68 × 10-13 kg B) 5.38 × 10-19 kg C) 1.70 × 10-12 kg D) 3.84 × 10-20 kg
All of the following questions are in relation to the following journal article which is available on Moodle: Parr CL, Magnus MC, Karlstad O, Holvik K, Lund-Blix NA, Jaugen M, et al. Vitamin A and D intake in pregnancy, infant supplementation and asthma development: the Norwegian Mother and Child Cohort. Am J Clin Nutr 2018:107:789-798 QUESTIONS: 1. State one hypothesis the author's proposed in the manuscript. 2. There is previous research that shows that adequate Vitamin A intake is required...