Chemistry, 30.10.2020 15:50 Dianar8407
A laboratory is suspected to be contaminated with radiation from a radioactive material. Which of the following detection instruments can be best used to detect this radiation?
1) An X-ray film, because it can detect the low frequency X-rays.
2) An X-ray film, because it can detect the low energy infrared radiation.
3) A Geiger counter, because it can detect the high energy gamma rays.
4) A Geiger counter, because it can detect the highly penetrating ultraviolet radiation.
Answers: 3
Chemistry, 22.06.2019 14:30
For the reaction shown, find the limiting reactant for each of the following initial amounts of reactants. 4al(s)+3o2(g)→2al2o3(s) a) 1 molal, 1 mol o2 b) 4 molal, 2.6 mol o2 c) 16 molal, 13 mol o2 d) 7.4 molal, 6.5 mol o2
Answers: 3
Chemistry, 23.06.2019 08:00
Drag each pressure unit with the corresponding number to describe standard atmospheric pressure
Answers: 1
Chemistry, 23.06.2019 09:00
Which of the following are in a chemical family a. ca, sc, k b. cu, ag, au c. so, ge, sb
Answers: 1
A laboratory is suspected to be contaminated with radiation from a radioactive material. Which of th...
Mathematics, 25.01.2021 18:20
Biology, 25.01.2021 18:20
Mathematics, 25.01.2021 18:20
Mathematics, 25.01.2021 18:20
Mathematics, 25.01.2021 18:20
Mathematics, 25.01.2021 18:20