Chemistry, 08.02.2021 18:20 hdhdhd49jdhd
Name the element which has the following numbers of particles. Be specific. (Include mass numbers where possible.)
26 electrons, 29 neutrons, 26 protons
53 protons, 74 neutrons
2 electrons (neutral atom)
20 protons
86 electrons, 125 neutrons, 82 protons (charged atom)
0 neutrons
Answers: 2
Chemistry, 21.06.2019 16:30
How many atoms of oxygen are contained in 160 grams of n2o3
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Chemistry, 22.06.2019 10:50
How many liters of oxygen gas, at standard temperature and pressure, will react with 35.8 grams of iron metal? 4 fe (s) + 3 o₂ (g) → 2 fe₂o₃ (s)
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Chemistry, 22.06.2019 15:00
Phosphorous acid, h3po3(aq) , is a diprotic oxyacid that is an important compound in industry and agriculture. p k a1 p k a2 1.30 6.70 calculate the ph for each of the points in the titration of 50.0 ml of 1.5 m h3po3(aq) 1.5 m h 3 po 3 ( aq ) with 1.5 m koh(aq). 1.5 m koh ( aq ) .
Answers: 1
Chemistry, 22.06.2019 21:50
If e is the symbol for an element, which two of the following symbols represent isotopes of the same element? 1. e2. e3. ea.1 and 2c.1 and 4b.3 and 4d.2 and 3
Answers: 2
Name the element which has the following numbers of particles. Be specific. (Include mass numbers wh...
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