Determining the same mass of solute
Mass of solvent=134.4 g/mol
The same mass of solute is dissolved in 9.82 g of t-butanol instead of cyclohexane. What is the expected freezing pt. change of this solution?
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When a pure solvent freezes the temperature remains constant till all liquid is frozen (thus the freezing point). When the solvent in a solution freezes the temperature keeps decreasing. Explain why you do not see a steady freezing point for a sol
What volume of water should be added to 600 mL of ethanol in order to have a solution that boils at 95 degrees Celsius?
The value of E for the following reaction is 0.34 V. What will the cell potential be when the [Cu2+] =10 M and the [Cr3+]=1 M? 2Cr(s) + 3 Cd 2+ (aq) --> 2Cr3+ (aq) + 3Cd(s) a)0.31 b) 0.46 c) 0.4 d) 037 e)0.28
Bromobutane can be converted to butan- ol using aqueous potassuim hydroxide solution. Outline one possible method. that does NOT involve the use of rate experiments, of determining wether the mechanism of the reaction is SN1 or SN2
The confirmation test for Ag^+ is to add HNO3 to the [Ag(NH3)2] ^+ and see if a precipitate of AgCl forms. Where does the Cl ^ - come from. Why does adding HNO3 make AgCl precipitate
Define in terms of the electronic structure of an element, chemical activity as it relates to metals, nonmetals, and noble gases. Discuss the change in chemical activity of metals as you go down a group.
Our Sun is made up of several elements, mostly hydrogen and helium, but there are significant amounts of metallic ions in it chromosphere and photosphere.
Calculate the mass (in grams) of sucrose in 1.0 kg of a 0.25% sucrose solution.
A solution is prepared by combining .025 mole CaCl2 and .015 mol Pb (NO3)2 and adding water to make 1L of solution. Will a precipitate of PbCl2 form in this solution
Structure of a compound containing a leaving group that is more hindered than the leaving group in t-butyl bromide
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