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Chemistry, 21.06.2019 23:00
Write a brief passage describing a neutral atom of nitrogen-14 (n-14). describe the number of protons, neutrons, and electrons in the atom, where each type of particle is located, and how the terms atomic number, mass number, and atomic mass are related to the particles. use the periodic table to you. 14 protons and eletrons since its a neutral atom
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Chemistry, 22.06.2019 10:30
Balance and in which category does it fit in? single or double displacement or synthesis or decomposition? (a) k2 o â k + o2 (b) na + i2 â nai (c) cu(no3 )2 + naoh â cu(oh)2 + nano3 (d) kclo3 â kcl + o2 (e) ca(no3 )2 + hbr â cabr2 + hno3 (f) sn(oh)2 â sno + h2 o (g) p4 + n2 o â p4 o6 + n2 (h) fe + al2 (so4 )3 â feso4 + al (i) alcl3 + na2 co3 â al2 (co3 )3 + nacl (j) c3 h6 + o2 â co2 + h2 o
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Chemistry, 22.06.2019 14:30
Aroom with dimensions 7.00mĂ8.00mĂ2.50m is to be filled with pure oxygen at 22.0âc and 1.00 atm. the molar mass of oxygen is 32.0 g/mol. how many moles noxygen of oxygen are required to fill the room? what is the mass moxygen of this oxygen?
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Chemistry, 22.06.2019 22:30
Why is it possible for different microorganisms to extract energy not only from carbohydrates and other biological molecules but from a large variety of substances?
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When an object is burning, two atoms of oxygen (in the air) combine with one atom of carbon (from th...
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