Chemistry, 28.01.2021 07:20 jessica01479

A 467.8 ng sample of unknown radioactive substance was placed in storage and its mass measured periodically after 47 days the amount of radioactive substance had decreased 58.48 ng how many half-lives of the non-radioactive substance have occurred

Answers: 2

Show answers

Another question on Chemistry

Chemistry, 21.06.2019 17:00

What is the empirical formula of vanadium 1 oxide given that 20.38 grams of vandium combines with oxygen to form 23.58 grams of the oxide

Answers: 1

Answer

Chemistry, 22.06.2019 09:40

How many grams of aluminum will there be in 98g of al2o3?

Answers: 1

Answer

Chemistry, 22.06.2019 10:00

Suppose the universe were completely empty except for one object-a solid sphere moving through space of 100 km/s. what sort of path would the object be moving in? explain your answer

Answers: 1

Answer

Chemistry, 22.06.2019 13:00

Tell me the iupac name of the following compounds:

Answers: 1

Answer

You know the right answer?

A 467.8 ng sample of unknown radioactive substance was placed in storage and its mass measured perio...

Questions

English, 13.03.2022 16:30

During Atticus's speech, Scout sees him do two things she had never seen him do before. What are they, and what do they reveal about how Atticus think...

Business, 13.03.2022 16:30

During February, Degan Inc. transferred $60,000 from Work in Process to Finished Goods and recorded a Cost of Goods Sold of $65,000. The journal entri...

Business, 13.03.2022 16:30

Global AgSystems operates worldwide and is organized into a(n) structure. Within this structure, each of the four division presidents and their respe...

Chemistry, 13.03.2022 16:30

Please help me and number all of the answers ...

Geography, 13.03.2022 16:30

Mathematics, 13.03.2022 16:30

A bag contains a collection of metal shapes. There are 11 hexagon, 12 trapezoid, 7 triangle, and 6 square shapes. What is the prob...

Computers and Technology, 13.03.2022 16:30

Write a Matlab function quadrant that returns the quadrant (1,2,3, or 4) of a list of angles in degrees. Assume 90 degrees is quadrant 2, 180 is quadr...

Engineering, 13.03.2022 16:30

If the resultant of the two forces andcouple M passes through point 0,determine M...

Mathematics, 13.03.2022 16:30

In a right triangle, the side opposite angle θ has a length of 80 inches, the side adjacent to angle θ has a length of 84 inches, and the hypotenuse h...

History, 13.03.2022 16:30

List 10 facts about Fred Korematsu...

Mathematics, 13.03.2022 16:40

Consider the sequence: 3, -3/2, -6,-21/2, What is the explicit function that defines this sequence? If arithmetic, write the function in simplified f...

Mathematics, 13.03.2022 16:40

4 to the power of 3 times 4 to the power of -1...

Mathematics, 13.03.2022 16:40

Mustafa, Heloise, and Gia have written more than a combined total of 222222 articles for the school newspaper. Heloise has written \dfrac{1}{4} 4

Mathematics, 13.03.2022 16:40

Ayuda Pliss. No le entiendo ...

English, 13.03.2022 16:40

There will come soft rain.. Does the future presented in this story fit with your idea of a future world? Why or why not?...

Health, 13.03.2022 16:40

ILL GIVE B IF ANYONE ANSWERS THIS QUESTION QUESTION #1 Explain the difference between muscular strength and muscular endurance. QU...

Mathematics, 13.03.2022 16:40

You are dealt five cards from an ordinary deck of 52 playing cards. In how many ways can you get a full house...

Mathematics, 13.03.2022 16:40

Find the area of the figure. Use 3.14 for it. 30 m 34 m The area of the figure is about m?

English, 13.03.2022 16:40

50 POINT!! Can someone please write 4 conflicts from Romeo and Juliet ACT 2 SCENE 2 (I NEED 2 FOR ROMEO AND 2 FOR JULIET) you need to describe the c...

Chemistry, 13.03.2022 16:40

The mineral manganosite, manganese (II) oxide, crystallizes in the sodium chloride like structure, with a density of 5.365 g /cm3. Find the unit cell...

More questions: Chemistry Another questions