Chemistry, 18.03.2020 23:08 erinmcdonald6673
A new object has been discovered in the solar system. In your own words, justify how the object can be proved to be a planet. (5 points)
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
Chemistry, 22.06.2019 05:00
1)each group 16 element has how many valence electrons? ( )4 ( )6 ( )8 ( )16 2)how many dots appear in the dot structure for calcium ion, ca2+? ( )zero ( )one ( )two ( )eight 3) which of the following atoms forms a cation to obtain an octet of outer shell electrons? ( )magnesium ( )oxygen ( )fluorine ( )helium 4) an al3+ ion contains 13 protons and 10 electrons. ( )true ( )false 5) valence and non-valence electrons are represented in lewis dot structures. ( )true ( )false
Answers: 3
Chemistry, 22.06.2019 07:30
11. phosphorus-32 is radioactive and has a half life of 14 days. how much of a 124 mg sample of phosphorus-32 is present after 56 days? a) 7.75 mg b) 15.5 mg c) 31.0 mg d) 62.0 mg
Answers: 3
A new object has been discovered in the solar system. In your own words, justify how the object can...
Mathematics, 24.06.2021 03:40
Social Studies, 24.06.2021 03:40
Chemistry, 24.06.2021 03:40
History, 24.06.2021 03:40
Computers and Technology, 24.06.2021 03:40
Mathematics, 24.06.2021 03:50
History, 24.06.2021 03:50
Mathematics, 24.06.2021 03:50
Law, 24.06.2021 03:50
Mathematics, 24.06.2021 03:50