SAT Subject Test Chemistry,10 edition

Amphoteric Species An amphoteric, or amphiprotic, species is one that can act either as an acid or a base, ...

Salt Formation Strong Acid and Strong Base Weak Acid and Strong Base Buffers ...

Review Questions 1 . A certain aqueous solution at 25°C has [OH−] = 6.2 × 10−5 M. (A) Calculate [H+]. (B) Ca ...

6 . Identify the conjugate acids and bases in the following equation: NH 3 + H 2 O NH 4 + + OH− 7 . Ide ...

(A) H 2 O, 1 M NaOH, 1 M H 2 SO 4 (B) H 2 O, 1 M CH 3 COOH, 1 M Na+CH 3 COO− (C) H 2 O, 1 M CH 3 COOH, ...

Answer Key REVIEW QUESTIONS 1 . See Answers and Explanations 2 . 1000:1 3 . See Answers and Explanations 4 . 0.067 5 . 10.2 ...

Answers and Explanations REVIEW QUESTIONS 1 . A certain aqueous solution at 25°C has [OH−] = 6.2 × 10−5 M. (A ...

NH 3 + H 2 O → NH 4 + + OH− C. NO 2 − + H 2 O → HNO 2 + OH− D. 4 . 0.067 At the equivalence point, Plug ...

NH 3 + H 2 O → NH 4 + + OH− According to the Brønsted-Lowry theory of acids and bases, an acid releases ...

9 . A higher Ka indicates a stronger acid; a lower Ka indicates a weaker acid. X is one-third the ...

Choice C is wrong because it shows a weak acid and its conjugate base, where the concentrations of the ...

Chapter 14 Redox Chemistry and Electrochemistry Redox chemistry involves the study of reduction and oxidation r ...

Oxidation States and Assigning Oxidation Numbers It is important to know which atom is oxidized and which ...

QUICK QUIZ Match the substance with its correct oxidation number below. Answers: Example: Assign oxidation numbers ...

reaction is equal to zero, so charge has been conserved. Note that even though we have been makin ...

Balancing Redox Reactions By assigning oxidation numbers to the reactants and products, one can determine how many ...

Finally, add H+ to the left side to balance the 4H 2 Os. These two half-reactions are now balanced in mass ...

Step 5: Finally, confirm that mass and charge are balanced. There is a +4 net charge on each side of t ...

Oxygen as an Oxidizing Agent and the Chemistry of Oxides Oxygen is a powerful oxidizing agent; after all, ...

Electrochemical Cells The concept of separating a redox reaction into separate reduction and oxidation part ...