Chemistry, 10.12.2020 22:40 kaitlyn114433
The half life of Carbon-14 is 20 years. What is the mass of the original sample if 10g of Carbon-14 is left after 40 years? *
20
100
40
10
Answers: 2
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How many grams of aluminum will there be in 98g of al2o3?
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Diffraction is when light is bent around obstructions. which of the these observation about clouds would indicate diffraction? a) after rain storms, you can sometimes see rainbows. b) clouds are white or gray and cannot be seen through. c) on a cloudy day, the temperature tends to be cooler than a sunny day. d) the edges of dark clouds appear lighter. this
Answers: 3
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He table below gives the atomic mass and relative abundance values for the three isotopes of element m. relative abundance (%) atomic mass (amu) 78.99 23.9850 10.00 24.9858 11.01 25.9826 what is the average atomic mass (in amu) of element m? 2.86 5.36 24.30 24.98
Answers: 2
Chemistry, 23.06.2019 01:30, Dmoney5104
The biomedical technique in which a part of the brain is destroyed with electric current is known as a. electroconvulsive therapy b. prefrontal lobotomy c. bilateral cingulotomy d. tardive dyskinesia
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The half life of Carbon-14 is 20 years. What is the mass of the original sample if 10g of Carbon-14...
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