Chemistry, 08.07.2019 23:20 epicchicken420
How many grams of pbbr2 will precipitate when excess crbr; solution is added to 60.0 ml of 0.551 m pb(no3)2 solution?
3pb(no3)2(aq) + 2crbr3(aq) –> 3pbbrz(s) + 2cr(no3)(aq)
Answers: 1
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How much would the freezing point of water decrease if 4 mol of sugar were added to 1 kg of water(k=1.86 c/mol/kg for water and i=1 for sugar
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Which of the following is most likely true about water in chemical systems? a) water dissolves nonpolar ionic compounds. b) water dissociates ionic compounds. c) water dissociates covalent molecules. d) water dissolves nonpolar covalent substances.
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What is the difference between covalent bonds and ionic bonds? covalent bonds involve the sharing of electrons between atoms; ionic bonds involve the electrical attraction between charged atoms. covalent bonds involve the transfer of electrons between charged atoms; ionic bonds involve the sharing of electrons between atoms. covalent bonds involve the sharing of pairs of electrons between atoms; ionic bonds involve the sharing of single electrons between atoms. covalent bonds involve the sharing of electrons between atoms; ionic bonds involve the sharing of protons between charged atoms.
Answers: 1
How many grams of pbbr2 will precipitate when excess crbr; solution is added to 60.0 ml of 0.551 m...
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