The diagram shows a box in the periodic table.
What is the chemical symbol for this elem...
Physics, 06.12.2021 22:30 ShugarLove4363
The diagram shows a box in the periodic table.
What is the chemical symbol for this element?
Answers: 2
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Which is the correct symbol for an isotope of iodine with 53 protons and 78 neutrons?
Answers: 2
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Estimate the schwarzschild radius (in kilometers) for a mini-black hole formed when a superadvanced civilization decides to punish you (unfairly) by squeezing you until you become so small that you disappear inside your own event horizon. (assume that the your weight is 50 kg)
Answers: 1
Physics, 22.06.2019 12:50
Air is contained in a variable-load piston-cylinder device equipped with a paddle wheel. initially, air is at 400 kpa and 17°c. the paddle wheel is now turned by an external electric motor until 75 kj/kg of work has been transferred to air. during this process, heat is transferred to maintain a constant air temperature while allowing the gas volume to triple. calculate the required amount of heat transfer in kj/kg.
Answers: 2
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