Calculate the Energy Released in Joules When One Mole of Polonium-214

question 18

Multiple Choice

Calculate the energy released in joules when one mole of polonium-214 decays according to the following equation. Particle Mass (amu)
Pb-210
209) 98284
Po-214
213) 99519
He-4
4) 00260
(1 kg = 6.022 × 10²⁶ amu;
N_A = 6.022 × 10²³ mol^-1;
C = 2.99792458 × 10⁸ m/s)

• A)8.78 × 10¹⁴ J/mol
• B)7.2 × 10¹⁴ J/mol
• C)8.76 × 10¹¹ J/mol
• D)-9.75 × 10^-3 J/mol
• E)1.46 × 10^-9 J/mol

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Definitions:

Pequot War

An armed conflict in 1637 that led to the destruction of one of New England’s most powerful Indian groups.

Pequot Tribe

A Native American people of Connecticut, who were involved in the Pequot War with settlers in the 17th century, leading to their near destruction.

Colonists' Victory

Refers to the successful outcomes achieved by colonial inhabitants, especially in the context of wars or conflicts against colonial powers for independence or self-governance.

Half-Way Covenant

A form of partial church membership created by New England Puritans in 1662, allowing for the baptism and a form of limited membership for individuals not yet converted.