Chemistry, 26.08.2019 05:50 TheViperMlg23676
#1: which element has the same number of energy levels as bromine (br) and the same number of valence electrons as barium (ba)?
a. potassium (k)
b,. beryllium (be)
c. cadmium (cd)
d. calcium (ca)
Answers: 2
Chemistry, 22.06.2019 03:40
Kc = 0.040 for the system below at 450oc. if a reaction is initiated with 0.40 mole of cl2 and 0.40 mole of pcl3 in a 2.0 liter container, what is the equilibrium concentration of cl2 in the same system? pcl5(g) ⇄ pcl3(g) + cl2(g)
Answers: 3
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Compare and contrast physical changes with chemical changes.
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Why does a plastic bottle that is sealed at a high altitude change it’s shape when taken to lower altitude
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#1: which element has the same number of energy levels as bromine (br) and the same number of valen...
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