SAT Subject Test Chemistry,10 edition

In the Daniell cell, a zinc bar is placed in an aqueous ZnSO 4 solution, and a copper bar is placed in an a ...

Instead of an ammeter that simply measures the current, one can place a device that is powered by electric ...

(1.6 × 10−19)(6.022 × 1023 ) = 96,487 C/mol e− This number is called Faraday’s constant, and one Farad ...

Reduction Potentials and the Electromotive Force Sometimes when electrolysis is carried out in an aqueous solution ...

Solution: Ag+ would be reduced to Ag (s) and Tl (s) would be oxidized to Tl+, since Ag+ has the higher E°re ...

oxidized and the Sm3+ is reduced. Thus the Sm3+ reduction potential is used as is, while the reverse re ...

Thermodynamics of Redox Reactions The thermodynamic criterion for determining the spontaneity of a reaction is ...

nFE°cell = RT ln Keq If the values for n, T, and Keq are known, then the E°cell for the redox reaction can ...

Review Questions 1 . If one F is equivalent to 96,487 C/mol e−, what is the charge on an individual electron ...

4 . The standard reduction potential of Cr3+ (aq) + 3e− → Cr (s) is −0.74 V. The standard reduction pot ...

(A) F− will be oxidized and Ca2+ will be reduced. (B) Ca2+ will be oxidized and F 2 will be red ...

(A) 144.73 kJ (B) 144.73 J (C) −144.73 J (D) −144.73 kJ 10 . Assign oxidation numbers to each atom of the follow ...

Answer Key REVIEW QUESTIONS 1 . D 2 . B 3 . B 4 . D 5 . C 6 . C 7 . A 8 . D 9 . D 10 . 2Fe (s ...

Answers and Explanations REVIEW QUESTIONS 1 . D Avogadro’s number (6.022 × 10^23 ) defines the number of particles ...

4 . D Remember that in opposition to free energy, the more positive the E is for a reaction, the mor ...

−1.63 V + (+2.38 V) = 0.75 V = 0.75 By inspection, 2 moles of electrons are transferred to produce 1 ...

Chapter 15 Nuclear Chemistry The Nucleus Nuclear Binding Energy and Mass Defect Nuclear Reactions and Decay ...

The Nucleus At the center of an atom lies its nucleus, consisting of one or more nucleons (protons or ...

where X is the chemical symbol for the element. This representation is sometimes referred to as a nuclid ...

hydrogen called tritium. Note that despite the existence of names like deuterium and tritium, they are ...