Quiz 7 Key - Chemistry 201X Quiz#7 Name_KEY(1(2 pts...

Info iconThis preview shows page 1. Sign up to view the full content.

View Full Document Right Arrow Icon
Chemistry 201X: Quiz #7 November 2, 2007 Name:____KEY___________________________ (1) (2 pts) Brønsted-Lowry acids and bases: (a) Which is the stronger base ? NO 3 (aq) or NO 2 (aq) (b) What is the conjugate base of OH ? _______ O 2 ______________ (2) (2 pts) In the following reduction-oxidation reaction, identify the reducing agent and the oxidizing agent . Cd(s) + NiO 2 (s) + 2 H 2 O(l) ⎯→ Cd(OH) 2 (s) + Ni(OH) 2 (s) Reducing Agent = _____ Cd(s) _____ Oxidizing Agent = ___ NiO 2 (s) _____ (3) (2 pts) A balloon is heated by adding 900 J of heat. It expands, doing 422 J of work on the atmosphere. Calculate the change in internal energy
Background image of page 1
This is the end of the preview. Sign up to access the rest of the document.

This homework help was uploaded on 03/27/2008 for the course CHEM 201 taught by Professor Miller during the Fall '07 term at Iowa State.

Ask a homework question - tutors are online