HELP VERY URGENT I’LL GIVE 50 POINTS
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Chemistry, 22.06.2019 06:00
There are 6.022, 104 atoms of hg in 1 mole of hg the number of atoms in 45 moles of hg can be found by multiplying 4.5 by 6.022, 102 which is the number of atoms in 4.5 moles of hg, correctly written in scientific notation with the correct number of significant figures? 0 21,109 0 21,100 271, 1024 27.099, 100 mark this and retum save and exit submit
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Chemistry, 22.06.2019 19:30
Helium decays to form lithium. which equation correctly describes this decay?
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Chemistry, 22.06.2019 22:30
Which of these statements best explains why space exploration should be encouraged? it prepares humans to live without oxygen. it dispel myths about objects in space. it prevents comets and asteroids from striking earth. it creates technology to absorb harmful radiations in space.
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Chemistry, 23.06.2019 08:40
Calculate the number of grams of sodium in 3.00 g of each sodium-containing food additive.
Answers: 3
History, 19.11.2019 02:31
English, 19.11.2019 02:31
Mathematics, 19.11.2019 02:31
History, 19.11.2019 02:31
History, 19.11.2019 02:31