Chemistry: Atoms First 1st. Edition by Julia R. Burdge | 9780073511160 | 0073511161 | Holooly

General Chemistry

Chemistry: Atoms First

237 SOLVED PROBLEMS

Question: 10.5

Adenosine triphosphate (ATP) is sometimes called the “universal energy carrier” or “molecular energy currency.” It contains two high-energy bonds (shown in red) that, when hydrolyzed (broken by the addition of water), release the energy necessary for cell function. Resonance stabilization of the ...

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A lone pair can be moved from one of the oxygen at...

Question: 19.6

Predict whether the following reaction will occur spontaneously as written at 298 K: Co(s) + Fe^2+(aq) → Co^2+(aq) + Fe(s) assuming [Co^2+] = 0.15 M and [Fe^2+] = 0.68 M. ...

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From Equation 19.7,

E = E^\circ − \frac{0.0...

Question: 19.5

Calculate the equilibrium constant for the following reaction at 25°C:Sn(s) + 2Cu^2+(aq) ←→ Sn^2+(aq) + 2Cu^+(aq) ...

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E^\circ_\text{cell} = E^\circ_\text{cathod...

Question: 19.4

Calculate the standard free-energy change for the following reaction at 25°C: 2Au(s) + 3Ca^2+(1.0 M) ←→ 2Au^3+(1.0 M) + 3Ca(s) ...

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E^\circ_\text{cell} = E^\circ_\text{cathode...

Question: 19.3

Predict what redox reaction will take place, if any, when molecular bromine (Br2) is added to (a) a 1-M solution of NaI and (b) a 1-M solution of NaCl. (Assume a temperature of 25°C.) ...

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(a) If a redox reaction is to occur, it will be th...

Question: 25.4

State whether each of the following combinations of elements could form a semiconductor: (a) Ga-Se, (b) In-P, (c) Cd-Te ...

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(a) Ga has three valence electrons, and Se has six...

Question: 25.3

Would the following molecule make a good liquid crystal? Why or why not? ...

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The left-hand portion of the molecule contains an ...

Question: 25.2

Kevlar, a condensation polymer used in bulletproof vests, has the following general structure: ...

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To determine what the monomers are, first remove t...

Question: 25.1

Polypropylene is used in applications that range from indoor-outdoor carpeting to soda bottles to bank notes. It is produced by the addition polymerization of propylene, H2C—CH—CH3. Draw the structure of polypropylene, showing at least two repeating monomer units, and write its general formula. ...

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The structure of polypropylene showing three monom...

Question: 24.6

The electrophilic addition of water to a molecule containing a double bond, known as hydration, is a reaction that is important biologically. One example is the enzyme-catalyzed hydration of fumarate to form malate, one of the steps in the citric acid cycle (also known as the Krebs cycle). ...

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