Chem 110 Exam 2 (2002)

Chem 110 Exam 2 (2002) - PENN STATE ALTOONA CAMPUS Chem 12...

Info iconThis preview shows pages 1–2. Sign up to view the full content.

View Full Document Right Arrow Icon
PENN STATE ALTOONA CAMPUS Chem 12: Chemical Principles Fall 2002 Exam 2.1 Friday Oct. 25, 2002 1.) (20) Answer the following questions for the given equation; a.) What is the oxidation number of Mn in MnO 4 - ? b.) What is the oxidation number of Mn in MnO 2 ? c.) What is the oxidation number of Cl in ClO - ? d.) What is the oxidation number of Cl in ClO 4 - ? e.) What is the oxidation half-reaction? f.) What is the reduction half-reaction? g.) What is the oxidizing reactant? h.) What is the reducing reactant? i.) Balance the equation. M n O 4 - + ClO - => MnO 2 + ClO 4 - (basic) 2.) (5) Give an example of a balanced chemical equation between an ionic salt and an acid which produces carbon dioxide as one of its products. 3.) (5) What is the mass in grams of a chlorine atom? 4.) (5) A sample of a gas from a neon sign contains 0.856 mol neon, Ne, and 0.0254 mol krypton, Kr. What are the mass percentages of neon and krypton? 5.)
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Image of page 2
This is the end of the preview. Sign up to access the rest of the document.

Page1 / 3

Chem 110 Exam 2 (2002) - PENN STATE ALTOONA CAMPUS Chem 12...

This preview shows document pages 1 - 2. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online