Ch.2 - Atoms & ElementsWorksheetSee all chapters
All Chapters
Ch.1 - Intro to General Chemistry
Ch.2 - Atoms & Elements
Ch.3 - Chemical Reactions
BONUS: Lab Techniques and Procedures
BONUS: Mathematical Operations and Functions
Ch.4 - Chemical Quantities & Aqueous Reactions
Ch.5 - Gases
Ch.6 - Thermochemistry
Ch.7 - Quantum Mechanics
Ch.8 - Periodic Properties of the Elements
Ch.9 - Bonding & Molecular Structure
Ch.10 - Molecular Shapes & Valence Bond Theory
Ch.11 - Liquids, Solids & Intermolecular Forces
Ch.12 - Solutions
Ch.13 - Chemical Kinetics
Ch.14 - Chemical Equilibrium
Ch.15 - Acid and Base Equilibrium
Ch.16 - Aqueous Equilibrium
Ch. 17 - Chemical Thermodynamics
Ch.18 - Electrochemistry
Ch.19 - Nuclear Chemistry
Ch.20 - Organic Chemistry
Ch.22 - Chemistry of the Nonmetals
Ch.23 - Transition Metals and Coordination Compounds

Solution: An α particle,  4He2+, has a mass of 4.00151 amu. Find the value of its charge-to-mass ratio in C/kg. 

Solution: An α particle,  4He2+, has a mass of 4.00151 amu. Find the value of its charge-to-mass ratio in C/kg. 

Problem

An α particle,  4He2+, has a mass of 4.00151 amu. Find the value of its charge-to-mass ratio in C/kg.

 

Solution

We’re being asked to find the value of the charge-to-mass ratio in C/kg for an α particle 4H2+

The mass of the α particle is 4.00151 amu.


The charge-to-mass ratio in C/kg. First, we have to calculate the mass of 4H2+ in kg.

1 amu = 1.66054x10-27 kg

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