Chemistry, 29.06.2019 19:30 tayveon122
Alaboratory technician needs to prepare 500 milliliters of a 2 m solution of sodium hydroxide (naoh) in a flask. the flask has a volume of exactly 500 milliliters. which quantity does the laboratory technician need to measure before making the solution?
Answers: 1
Chemistry, 21.06.2019 18:20
Complete the table for ion charge based upon their losing or gaining electrons in the outer shell. (use the periodic table as necessary.) group most likely ionic charge # of valence electrons i +1 ii +2 iii +3 iv +4 or -4 v -3 vi -2 vii -1 viii 0
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Chemistry, 22.06.2019 13:50
Amap that uses a range of colors and shading to represent the elevation, depth, or landscape of specific features on earth is a/an map.
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Chemistry, 22.06.2019 18:00
What amount of heat is exchanged when 106.2 grams of substance y goes from a liquid at 35 degrees celsius to a solid at the same temperature? melting point of substance y = 35 degrees c; δhvaporization = 3.67 j/mol; δhfusion = 3.30 j/mol. mwsubstance y = 28.22 g/mol. −12.4 j −3.51 x 102 j 1.24 x 101 j 351 j
Answers: 1
Alaboratory technician needs to prepare 500 milliliters of a 2 m solution of sodium hydroxide (naoh)...
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