(a)
Interpretation:
The strongest acid among the following should be identified:
CH3 OH, CH3 SH, (CH3 )2 NH.
Concept Introduction:
The acidity of any compound is higher when the compound has a higher electron withdraw or a higher proton donating capacity.
(b)
Interpretation:
The strongest base among the following should be identified:
CH3 OH, CH3 SH, (CH3 )2 NH.
Concept Introduction:
The basicity of any compound is higher when the compound has a higher electron donating ability or a higher proton accepting capacity.
(c)
Interpretation:
The compound with highest boiling point should be identified:
CH3 OH, CH3 SH, (CH3 )2 NH.
Concept Introduction:
The temperature at which the system changes its state from liquid to vapor is known as boiling point. It depends on the size and bonding within the molecules. Higher the size, higher will be the boiling point. Also, stronger the intermolecular interaction within in the compound higher will be the boiling point.
(d)
Interpretation:
The compound with the strongest intermolecular hydrogen bonds in the pure state should be identified.
Concept Introduction:
A hydrogen bond is formed when hydrogen atom bonded with an electronegative atom interacts weakly with other electronegative atom which is present in the vicinity of another electronegative atom.
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Chapter 15 Solutions
INTRO.TO GENERAL,ORGAN...-OWLV2 ACCESS
- The emission data in cps displayed in Table 1 is reported to two decimal places by the chemist. However, the instrument output is shown in Table 2. Table 2. Iron emission from ICP-AES Sample Blank Standard Emission, cps 579.503252562 9308340.13122 Unknown Sample 343.232365741 Did the chemist make the correct choice in how they choose to display the data up in Table 1? Choose the best explanation from the choices below. No. Since the instrument calculates 12 digits for all values, they should all be kept and not truncated. Doing so would eliminate significant information. No. Since the instrument calculates 5 decimal places for the standard, all of the values should be limited to the same number. The other decimal places are not significant for the blank and unknown sample. Yes. The way Saman made the standards was limited by the 250-mL volumetric flask. This glassware can report values to 2 decimal places, and this establishes our number of significant figures. Yes. Instrumental data…arrow_forwardSteps and explanation pleasearrow_forwardSteps and explanation to undertand concepts.arrow_forward
- Nonearrow_forward7. Draw a curved arrow mechanism for the following reaction. HO cat. HCI OH in dioxane with 4A molecular sievesarrow_forwardTry: Convert the given 3D perspective structure to Newman projection about C2 - C3 bond (C2 carbon in the front). Also, show Newman projection of other possible staggered conformers and circle the most stable conformation. Use the template shown. F H3C Br Harrow_forward
- Nonearrow_forward16. Consider the probability distribution p(x) = ax", 0 ≤ x ≤ 1 for a positive integer n. A. Derive an expression for the constant a, to normalize p(x). B. Compute the average (x) as a function of n. C. Compute σ2 = (x²) - (x)², the variance of x, as a function of n.arrow_forward451. Use the diffusion model from lecture that showed the likelihood of mixing occurring in a lattice model with eight lattice sites: Case Left Right A B C Permeable Barrier → and show that with 2V lattice sites on each side of the permeable barrier and a total of 2V white particles and 2V black particles, that perfect de-mixing (all one color on each side of the barrier) becomes increasingly unlikely as V increases.arrow_forward
- 46. Consider an ideal gas that occupies 2.50 dm³ at a pressure of 3.00 bar. If the gas is compressed isothermally at a constant external pressure so that the final volume is 0.500 dm³, calculate the smallest value Rest can have. Calculate the work involved using this value of Rext.arrow_forwardNonearrow_forward2010. Suppose that a 10 kg mass of iron at 20 C is dropped from a heigh of 100 meters. What is the kinetics energy of the mass just before it hits the ground, assuming no air resistance? What is its speed? What would be the final temperature of the mass if all the kinetic energy at impact is transformed into internal energy? The molar heat capacity of iron is Cpp = 25.1J mol-¹ K-1 and the gravitational acceleration constant is 9.8 m s¯² |arrow_forward
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