Concept explainers
(a)
Interpretation:
The keyword for the description, “an unstable solution that contains more of the dissolved solute than the maximum amount, as dictated by solubility�, is to be identified.
(b)
Interpretation:
The keyword for the description, “a homogeneous mixture of two or more substances uniformly dispersed at a molecular or ionic level�, is to be identified.
(c)
Interpretation:
The keyword for the description, “the moles of solute per kilogram of solvent�, is to be identified.
(d)
Interpretation:
The keyword for the description, “the substance being dissolved in another, which is usually the present in a lesser amount�, is to be identified.
(e)
Interpretation:
The keyword for the description, “An intermolecular force between an ion and a polar molecule�, is to be identified.
(f)
Interpretation:
The keyword for the description, “the relative amounts of the solute and the solvent in a solution�, is to be identified.
(g)
Interpretation:
The keyword for the description, “the mass of the solute divided by the mass of the solution and multiplied by
(h)
Interpretation:
The keyword for the description, “a solution that contains less than the maximum amount of solute possible in a stable system�, is to be identified.
(i)
Interpretation:
The keyword for the description, “a barrier that allows the passage of solvent molecules but not of solute particles�, is to be identified.
(j)
Interpretation:
The keyword for the description, “the process of determining the concentration of one substance in a solution by reacting with a solution of another substance of a known concentration�, is to be identified.
(k)
Interpretation:
The keyword for the description, “the mass of the solute divided by the mass of the solution and multiplied by
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ALEKS 360 AC INTRD CHEM >I<
- IX) By writing the appropriate electron configurations and orbital box diagrams briefly EXPLAIN in your own words each one of the following questions: a) The bond length of the Br2 molecule is 2.28 Å, while the bond length of the compound KBr is 3.34 Å. The radius of K✶ is 1.52 Å. Determine the atomic radius in Å of the bromine atom and of the bromide ion. Br = Br b) Explain why there is a large difference in the atomic sizes or radius of the two (Br and Br). Tarrow_forwardWhen 15.00 mL of 3.00 M NaOH was mixed in a calorimeter with 12.80 mL of 3.00 M HCl, both initially at room temperature (22.00 C), the temperature increased to 29.30 C. The resultant salt solution had a mass of 27.80 g and a specific heat capacity of 3.74 J/Kg. What is heat capacity of the calorimeter (in J/C)? Note: The molar enthalpy of neutralization per mole of HCl is -55.84 kJ/mol.arrow_forwardWhen 15.00 mL of 3.00 M NaOH was mixed in a calorimeter with 12.80 mL of 3.00 M HCl, both initially at room temperature (22.00 C), the temperature increased to 29.30 C. The resultant salt solution had a mass of 27.80 g and a specific heat capacity of 3.74 J/Kg. What is heat capacity of the calorimeter (in J/C)? Note: The molar enthalpy of neutralization per mole of HCl is -55.84 kJ/mol. Which experimental number must be initialled by the Lab TA for the first run of Part 1 of the experiment? a) the heat capacity of the calorimeter b) Mass of sample c) Ti d) The molarity of the HCl e) Tfarrow_forward
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