Choose the true statement. (MTS 7/14/2021)  

Calculate the Kf of M(NH3)2 + from M+(aq) + e- ⇋ M(s)  E0= [x] V M(NH3)2+(aq) + e- ⇋ M(s) + 2NH3(aq)  E0= [y] V You may enter as e notation (e.g. 2.34e6 or 4.56e-4) or enter the whole number (132465780).  Canvas will change it to a number. (MTS 7/18/2020)

Balance the following skeleton reaction in acidic solution (if the coefficient is 1, put 1; if the coefficient is 0, put 0) and identify the oxidizing and reducing agents. For the oxidizing and reducing agent, enter numbers and +/- directly for superscripts and subscripts. (eg. enter HCO3- for HCO3-, Cu2+ for Cu2+) H2S (g) + NO3- (aq)     S8 (s) + NO (g) [1]H2S(g) + [2]NO3-(aq) + [3]H+(aq) + [4]H2O(l)  [5]S8(s) + [6]NO(g) + [7]H+(aq) + [8]H2O(l) (acidic)   Oxidizing agent: [9] Reducing agent: [10]

1.5 The living room [room5]  (1)

1.6 The basement [room6]  (1)

1.3 The kitchen [room3]  (1)

2.8 Voy a comprar pan en la panadería.  (1)

2.3 Hay muchos libros en la biblioteca.  (1)

2.7 Hay muchos monumentos en el museo.  (1)

INSTRUCTIONS 1. Answer all questions. 2. Dictionaries and other resources may not be used in this examination. 3. Your 5 minutes to read through the paper are included in the recording. 4. Listen to each extract twice only. You may make notes or answer questions at any time during the examination.  5. Read each question carefully before you start to answer it. 6. Check your answers if you have time at the end. 7. Good luck! ¡Suerte! 8. To type (or copy paste) special characters, here are the accents, and codes: á – Alt 160 é – Alt 130 í – Alt 161 ó – Alt 162 ú – Alt 163 ñ – Alt 164