Physics, 09.09.2020 22:01 ramose7021
18. A medical institution requests 2 g of bismuth-214, which has a half-life of 20 min. How many
grams of bismuth-214 must be prepared if the shipping time is 2 hours?
a. 128
b. 64
C. 32
d. 16
e. 6
Answers: 3
Physics, 21.06.2019 19:30
Molten iron fills a mould, which has a volume of 200 cm cubed. calculate the volume when the iron cools and solidifies. molten iron has a density of 7.0g/cm cubed. in its solid state, iron has a density of 8.0g/cm cubed.
Answers: 3
Physics, 22.06.2019 07:00
The speed of sound in ice, water, and steam is shown. what best explains the speed of sound in different states of matter? sound travels fastest in ice because energy is easier to transfer when the molecules are close together. sound travels slowest in steam because the sound has to move around the gas molecules that are far apart. sound travels fastest in ice because the temperature of solids is always greater, so the heat transfers the sound energy. sound travels slowest in steam because the pressure is so great the sound cannot travel though the steam particles.
Answers: 1
Physics, 22.06.2019 12:30
Which levels of government establish and implement educational requirements for minors
Answers: 1
Physics, 22.06.2019 13:20
Ahanging spring stretches by 35.0 cm when an object of mass 450 g is hung on it at rest. in this situation, we define its position as x = 0. the object is pulled down an additional 18.0 cm and released from rest to oscillate without friction. what is its position x at a moment 84.4 s later? express your answer in cm.
Answers: 1
18. A medical institution requests 2 g of bismuth-214, which has a half-life of 20 min. How many
gr...
Biology, 18.07.2019 02:40
English, 18.07.2019 02:40
Biology, 18.07.2019 02:40
Chemistry, 18.07.2019 02:40
Mathematics, 18.07.2019 02:40
History, 18.07.2019 02:40
English, 18.07.2019 02:40
Geography, 18.07.2019 02:40