kenzieann7253 kenzieann7253

13-08-2024
Chemistry

Answered

The half-life for the first order radioactive decay of ⁹⁹Technetium is 6.0 After 2 half lives, what percentage of a sample of ⁹⁹Tc remains?

Answer :

Other Questions

The equation for a projectile's height versus time is [tex]h(t)=-16 t^2+V_0 t+h_0[/tex].A tennis ball machine serves a ball vertically into the air from a heigh

Which ordered pair is a solution to the following system of inequalities?[tex]\ \textless \ br/\ \textgreater \ \begin{array}{l}\ \textless \ br/\ \textgrea

Read the two excerpts."Remembering to Never Forget: Dominican Republic's Parsley Massacre" by Mark Memmott:The method his soldiers used in 1937 to try to identi

Select the correct answer.A triangle has side lengths [tex]\(BC = 9\)[/tex], [tex]\(AB = 7\)[/tex], and [tex]\(AC = 13\)[/tex].Which angle in the triangle has t

Ms. Williams counted students by eye color. The table shows how many students had each eye color. Brown 21 Blue 6 Green3 Write a ratio to compare blue eyes t

Luther and Zwingli were both influenced by

Which statements about the system are true? Select two options.[tex]\[ \begin{array}{l} y = \frac{1}{3}x - 4 \\ 3y - x = -7 \end{array} \][/tex]A. The system

Lakisha’s employer pays $2,150 in health insurance and $86 in life insurance per year. She also gets $3,520 in paid time off per year. Her monthly gross pay is

If 4 cans can make 24 cups of Lemonade then How many packs can make 10 gallons

Multiple Choice Question Consider the market for cotton shown in the graph. As the graph indicates, in the absence of international trade, the domestic price of