A Proton (Mass = 1

question 39

Multiple Choice

A proton (mass = 1.67 *10 ^{- 27} kg) has a kinetic energy of 1.00 MeV. If its momentum is measured with an uncertainty of 2.00%, what is the minimum uncertainty in its position? (h = 6.63 *10 ^{- 34} J.s and 1 eV = 1.6 *10 ^{- 19} J)

• A) 9.08 * 10 ^{- 14} m
• B) 1.14 *10 ^{- 13} m
• C) 5.64 *10 ^{- 14} m
• D) 2.28 * 10 ^{- 13} m

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Definitions:

Carbon Atoms

The basic building blocks of the vast majority of organic compounds, capable of forming strong covalent bonds due to their tetravalency.

Hydrogen Atoms

The simplest type of atoms consisting of one proton and one electron, fundamental in chemistry and the building blocks of molecules.

Alkane Name

The systematic nomenclature assigned to alkanes based on the number of carbon atoms in their longest chain and specific rules.

Triacontane

A saturated hydrocarbon with a chemical formula of C30H62, commonly found in waxes.