Chemistry, 20.01.2020 21:31 gallegosarmanni
When a compound is dissolved in hot ethanol during a recrystallization, what is changing on a molecular level?
a. the compound is melting into the hot solvent.
b. the molecular weight of the compound is decreasing.
c. the covalent bonds are breaking.
d. the intermolecular forces within the solvent.
e. the intermolecular forces between the solute and solvent
Answers: 2
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The standard emf for the cell using the overall cell reaction below is +2.20 v: 2al(s) + 3i2(s) β 2ai3+(aq) + 6i-(aq) the emf generated by the cell when [ai3+] = 3.5 Γ 10-3 m and [i-] = 0.015 m is v. the standard emf for the cell using the overall cell reaction below is +2.20 v: 2al(s) + 3i2(s) 2ai3+(aq) + 6i-(aq) the emf generated by the cell when [ai3+] = 3.5 Γ 10-3 m and [i-] = 0.015 m is v. 2.36 2.24 2.21 2.51 2.04
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Chemistry, 23.06.2019 13:00
Using the periodic table complete the table to describe each atom type in your answers
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When a compound is dissolved in hot ethanol during a recrystallization, what is changing on a molecu...
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