Mathematics, 12.10.2019 05:20 mytime8774

Suppose a laboratory has a 30 g sample of polonium-210. the half-life of polonium-210 is about 138 days. how many half-lives of polonium-210 occur in 1104 days? how much polonium is in the sample 1104 days later?

Answers: 3

Show answers

Another question on Mathematics

Mathematics, 21.06.2019 15:30

The ratio pv to nrt is plotted against pressure for ch4 at 0°c and 200°c. why does the curve for 0°c drop below the horizontal line for an ideal gas whereas the curve for 200°c does not?

Answers: 2

Answer

Mathematics, 21.06.2019 18:30

Find the constant of variation for the relation and use it to write an equation for the statement. then solve the equation.

Answers: 1

Answer

Mathematics, 21.06.2019 19:30

Consider that lines b and c are parallel. what is the value of x? what is the measure of the smaller angle?

Answers: 1

Answer

Mathematics, 21.06.2019 19:30

Hey am have account in but wished to create an account here you guys will me with my make new friends of uk !

Answers: 1

Answer

You know the right answer?

Suppose a laboratory has a 30 g sample of polonium-210. the half-life of polonium-210 is about 138 d...

Questions

English, 26.07.2019 15:40

What is the preface or introduction to a book? an alphabetical list of all topics covered in the book and the pages on which they can be found a stat...

English, 26.07.2019 15:40

Which approach is best for generating ideas to include in your writing? a. asking friends b. organizing c. brainstorming d. outlining...

Biology, 26.07.2019 15:40

Which term do biologists use to describe the average number of individuals of a species per unit area? _carrying capacity _population density _minim...

Physics, 26.07.2019 15:40

How do scientists determine where an earthquake starts?...

Biology, 26.07.2019 15:40

Which of the following is not true? a. atp is formed during glycolysis. b. atp contains less potential energy than adp c. plant cells generate atp dur...

Mathematics, 26.07.2019 15:40

Acactus casts a shadow that is 15 ft long. a gate nearby casts a shadow that is 5 ft long. find the height of the cactus...

Mathematics, 26.07.2019 15:40

Simplify the function c(x)=x^2+4x-5 over x+5...

English, 26.07.2019 15:40

Which word from the press release addresses marquez's wide range of writing?...

History, 26.07.2019 15:40

Akhenaton can be distinguished from other egyptian pharaohs because he did which of the following?...

History, 26.07.2019 15:40

Do you agree that the supreme court should be allowed to reinterpret the law to meet changing social conditions? explain your reasoning....

Health, 26.07.2019 15:40

Below is a list of actions or circumstances that could affect your physical health in a positive or a negative way. put a checkmark next to the ones t...

Physics, 26.07.2019 15:40

Physics cannot account for blackbody radiation....

Mathematics, 26.07.2019 15:40

Abuilding with a height of 14 m casts a shadow that is 16 m long while a taller building casts a 24m long shadow. that is the height of the taller bui...

English, 26.07.2019 15:40

Richard preston’s book the hot zone details the steps soldiers and scientists took to identify the deadly ebola virus found in monkeys near washington...

Mathematics, 26.07.2019 15:40

Pls ! i only have 5 minutes earth orbits the sun in an elliptical pattern. the equation of earth's path is (x+2.5)^2/22350.25 + y^2/22344=1 where th...

Biology, 26.07.2019 15:40

Match the term with its description. match term definition chloroplast a) a green pigment present in all plants that absorbs light to provide energy f...

Mathematics, 26.07.2019 15:40

How many sides does a decagon have?...

Biology, 26.07.2019 15:40

Technology can have good and bad affects. what is a bad effect spraying pesticides on crops with the use of airplanes?...

Mathematics, 26.07.2019 15:40

Assume you’ve taken a job that pays $15 an hour. you will work 20 hours a week and be paid every two weeks. perform online research to determine your...

History, 26.07.2019 15:40

Which trail extended from independence, mississippi to the columbia river in oregon...

More questions: Mathematics Another questions