Chemistry, 12.10.2019 13:30 miguelalvarado3968
A1.5g sample of a compound, consisting of elements chlorine and chromium, was dissolved completely in water. the solution was added to excess silver nitrate solution, agno3. all the chlorine from the samplebwas converted to 4.074g of silver chloride precipitate, agcl. determine the number of moles of ag+ and cl- in the silver chloride precipitate.
Answers: 2
Chemistry, 22.06.2019 02:30
Select each correct answer. more than one answer may be correct. which of the following is a characteristic of unicellular organisms? they can possess tissues and organs. all of their functions are performed by a single cell. they are usually microscopic. each of their cells is specialized to perform a specific function.
Answers: 1
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 05:50
In an exothermic reaction the bonding energy of the product is: less than the reactants same as the reactants greater than the reactants dependent upon the presence of a catalyst
Answers: 1
A1.5g sample of a compound, consisting of elements chlorine and chromium, was dissolved completely i...
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