General Chemistry I

| 1 Problem Set Organic Chemistry 1)Give the number of covalent bonds that a carbon atom can form. A) 1 B) 2 C) 3 D) 4 E) 5 2)Which of the following compounds is a ketone? | 2 A) CH 3 CH 2 CH 2 CO 2 H 3) A hydrocarbon contains only the elements A) hydrogen and oxygen. B)carbon and oxygen. C) carbon and hydrogen. D) carbon, hydrogen, and oxygen. E)carbon, hydrogen, and nit

CHM | 1046 | General Chemistry I | question bank | | 1 Problem Set Organic Chemis

Chapter 16 | 1 Problem Set Aqueous Ionic Equilibrium 1) Calculate the pH of a buﬀer that is 0.225 M HC 2 H 3 O 2 and 0.162 M KC 2 H 3 O 2 . The K a for HC 2 H 3 O 2 is 1.8 × 10 -5 . A) 4.89 B) 9.11 C) 4.74 D) 9.26 E) 4.60 2)Calculate the pH of a solution formed by mixing 250.0 mL of 0.15 M NH 4 Cl with 100.0 mL of 0.20 M NH 3 . The K b for NH 3 is 1.8 x 10 -5 . A) 9.13 B) 9.25 C) 9.53 D) 4.74 E) 8.98 3)A 25.

CHM | 1046 | General Chemistry I | question bank | Chapter 16 | 1 Problem Set Aqu

CHM 1046 Chapter 18. Electrochemistry | 1 Problem Set Electrochemistry 1)What element is being reduced in the following redox reaction? MnO 4 ⁻(aq) + H 2 C 2 O 4 (aq) → Mn 2+ (aq) + CO 2 (g) A) C B) O C) Mn D) H 2)What element is being oxidized in the following redox reaction? Zn 2+ (aq) + NH 4 + (aq) → Zn(s) + NO 3 ⁻(aq) A) Zn B) N C) H D) O 3)Balance the following redox reaction

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