When Two Atoms of ²H Are Fused to Form One

question 16

Multiple Choice

When two atoms of ²H are fused to form one atom of ⁴He, the total energy evolved is 3.83 × 10^-12 J. What is the total change in mass (in kg) for this reaction? (c = 3.00 × 10⁸ m/s)

• A)1.28 × 10^-17
• B)4.26 × 10^-26
• C)3.45 × 10⁸
• D)1.15
• E)4.26 × 10^-29

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Standard Error

A measure of the variability or precision of the sample mean estimate of a population mean, reflecting how much the sample mean would vary if the study were repeated.

Sampling Distribution

Chance distribution specifics for a statistic based on a random sampling method.

Sample Mean

The average of the observations in a sample, used as an estimate of the population mean.