SAT Subject Test Chemistry,10 edition
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 ...
Nuclear Binding Energy and Mass Defect Every nucleus (other than ) has a smaller mass than the combined ...
Nuclear Reactions and Decay Nuclear reactions such as fusion, fission, and radioactive decay involve either comb ...
arrow is indeed balanced. To find the number of neutrons, solve for x in the last equation (arrow): So th ...
The “reactant” in a radioactive decay is known as the parent isotope while the “product” is the daughter isot ...
So A’ = 234 and Z’ = 90. Note that it was not necessary to know the chemical species of the isotopes to ...
A ́ = 60 Now balance the atomic numbers, taking into account that cobalt has 27 protons (you learn this ...
given the symbol e+ or β+. Positron emission is sometimes referred to as β+ decay, as distinguished from ...
The first reaction was a β+ decay (positron emission) that must have looked like: Again, balance the at ...
«
50
51
52
53
54
55
56
57
58
59
»
Free download pdf