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Molar Activity using Half Life Formula

GoMolar Activity of Compound Formula

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Molar Activity is defined as the measured radioactivity per mole of compound. Check FAQs

A m = \frac{0.693 \cdot [Avaga-no]}{T 1/2}

A_m - Molar Activity?T_1/2 - Radioactive Half Life?[Avaga-no] - Avogadro’s number?

Molar Activity using Half Life Example

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Here is how the Molar Activity using Half Life equation looks like with Values.

Here is how the Molar Activity using Half Life equation looks like with Units.

Here is how the Molar Activity using Half Life equation looks like.

6.6E+19 = \frac{0.693 \cdot 6E+23}{0.0002}

6.6E+19Bq/mol = \frac{0.693 \cdot 6E+23}{0.0002Year}

6.6E+19 = \frac{0.693 \cdot 6E+23}{0.0002}

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Molar Activity using Half Life Solution

Follow our step by step solution on how to calculate Molar Activity using Half Life?

FIRST Step Consider the formula

A m = \frac{0.693 \cdot [Avaga-no]}{T 1/2}

Next Step Substitute values of Variables

∴

A m = \frac{0.693 \cdot [Avaga-no]}{0.0002Year}

Next Step Substitute values of Constants

∴

A m = \frac{0.693 \cdot 6E+23}{0.0002Year}

Next Step Convert Units

∴

A m = \frac{0.693 \cdot 6E+23}{6311.3904s}

Next Step Prepare to Evaluate

∴

A m = \frac{0.693 \cdot 6E+23}{6311.3904}

Next Step Evaluate

∴

A m = 6.61239961749157E+19Bq/mol

LAST Step Rounding Answer

∴

A m = 6.6E+19Bq/mol

Molar Activity using Half Life Formula Elements

Variables

Constants

Molar Activity

Molar Activity is defined as the measured radioactivity per mole of compound.

Symbol: A_m

Measurement: Molar ActivityUnit: Bq/mol

Note: Value can be positive or negative.

Formulas to find Molar Activity

Radioactive Half Life

Radioactive Half Life is defined as the time required for a quantity of radioactive substance to decay to half of it's initial value.

Symbol: T_1/2

Measurement: TimeUnit: Year

Note: Value should be between 0 to 2345.

Formulas to find Radioactive Half Life

Avogadro’s number

Avogadro’s number represents the number of entities (atoms, molecules, ions, etc.) in one mole of a substance.

Symbol: [Avaga-no]

Value: 6.02214076E+23

Other Formulas to find Molar Activity

Go Molar Activity of Compound

A m = λ \cdot [Avaga-no]

Other formulas in Nuclear Chemistry category

Go Binding Energy Per Nucleon

B.E per nucleon = \frac{∆m \cdot 931.5}{A}

Go Mean Life Time

ζ = 1.446 \cdot T 1/2

Go Packing Fraction

PF = \frac{∆m}{A}

Go Packing Fraction (In Isotopic mass)

PF isotope = \frac{(A isotope - A) \cdot (10^{4})}{A}

How to Evaluate Molar Activity using Half Life?

Molar Activity using Half Life evaluator uses Molar Activity = (0.693*[Avaga-no])/(Radioactive Half Life) to evaluate the Molar Activity, Molar Activity using Half Life is defined as molar activity (Am) is used for the measured radioactivity per mole of a compound measured in Bq/mol or GBq/μmol. Molar Activity is denoted by A_m symbol.

How to evaluate Molar Activity using Half Life using this online evaluator? To use this online evaluator for Molar Activity using Half Life, enter Radioactive Half Life (T_1/2) and hit the calculate button.

FAQs on Molar Activity using Half Life

What is the formula to find Molar Activity using Half Life?

The formula of Molar Activity using Half Life is expressed as Molar Activity = (0.693*[Avaga-no])/(Radioactive Half Life). Here is an example- 6.6E+15 = (0.693*[Avaga-no])/(6311.3904).

How to calculate Molar Activity using Half Life?

With Radioactive Half Life (T_1/2) we can find Molar Activity using Half Life using the formula - Molar Activity = (0.693*[Avaga-no])/(Radioactive Half Life). This formula also uses Avogadro’s number constant(s).

What are the other ways to Calculate Molar Activity?

Here are the different ways to Calculate Molar Activity-

Molar Activity=Activity*[Avaga-no]

Can the Molar Activity using Half Life be negative?

Yes, the Molar Activity using Half Life, measured in Molar Activity can be negative.

Which unit is used to measure Molar Activity using Half Life?

Molar Activity using Half Life is usually measured using the Becquerel per Mole[Bq/mol] for Molar Activity. are the few other units in which Molar Activity using Half Life can be measured.

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