How many mg remain after 1.23 years

Reference no: EM13700571

Question- Co-60 has a half-life of 5.26 years. How many mg remain after 1.23 years, if your original sample is 18.4 mg?

I need proficient assistance to solve the above problem

Reference no: EM13700571

Questions Cloud

Calculate the percent dissociation of hclo : Question- In 2011, researchers showed that hypochlorous acid (HClO) generated by white blood cells kills bacteria. Calculate (Ka)=2.9X10^-8 the percent dissociation of :( A). 0.40 M HClO, (B) 0.035 M HClO

Write the ion-prodcut expression at equilibrium : Question- Write the ion-prodcut expression at equilibrium for each compound: (a) calcium sulfate. (b) chromium(III) carbonate (c) magnesium hydroxide (d) arsenic sulfide.

What celsius temperature is needed to change the volume : Question- What Celsius temperature is needed to change the volume of a gas from 3,000 mL at 12.5 degrees Celsius to 4,200 mL? (R=0.08206 L-atm/mol-K)

Explain what is the concentration of an unknown water : Question- The equation of line determined from a Beer's Law plot is y = 0.195x + 0.4. What is the concentration of an unknown water sample if the assumed resistance is 650 ohms

How many mg remain after 1.23 years : Question- Co-60 has a half-life of 5.26 years. How many mg remain after 1.23 years, if your original sample is 18.4 mg

Explain what is the concentration of au3+ in the solution : Question- The cell potential of this electrochemical cell depends on the gold concentration in the cathode half-cell: Pt(s)|H2(g,1atm)|H+(aq,1.0M)||Au3+(aq,?M)|Au(s). What is the concentration of Au3+ in the solution if Ecell is 1.21V

Explain the nitrogen bound to nitorgen and oxygen : Does anyone know the curved arrow mechanism for 1,1-Dimethyl-3-oxo-2-triazanolate after it resonates to the form where the oxygens both have a negative charge and the Nitrogen bound to Nitorgen and Oxygen has a positive charge reacts with an acid ..

Write the complete nuclear equation for the bombardent : Question- Write the complete nuclear equation for the bombardent of a 14N atom with an alpha particle to yield 17O. Show the atomic number and mass number for each species in the equation

What is the half life of i-131 : Question- Iodine-131 is a radioactive isotope. After 4.00 days, 70.8% of a sample of I-131 remains. What is the half life of I-131?

User Account

All Pages