Chemistry, 30.04.2021 07:00 trying2passs

The half life for the radioactive decay of potassium-40 to argon-40 is 1.26 x 10^9 years. Suppose nuclear chemical analysis shows that there is 0.367 mmol of argon-40 for every 1.000 mmol of potassium-40 in a certain sample of rock. Calculate the age of the rock.
Round your answer to 2 significant digits.

Answers: 3

Show answers

Another question on Chemistry

Chemistry, 21.06.2019 19:00

Iknow the answer to 13 is b and 14 is d. i just need to know why the correct answers are correct

Answers: 3

Answer

Chemistry, 21.06.2019 21:00

Consider the nuclear equation below. 239 > x + 4 he 94 2 what is x? 1.235 cm 96 2.243 u 92 3.235 u 92 4.243 cm 96

Answers: 2

Answer

Chemistry, 22.06.2019 12:00

Hey guys so i need to know what is _nh3+> nh4oh ~chemistry~

Answers: 1

Answer

Chemistry, 22.06.2019 15:00

20 pts ‼️ an unmanned spacecraft travels to mars. mars has a lower strength of gravity than earth. where in the image is the spacecraft’s weight the greatest?

Answers: 2

Answer

You know the right answer?

The half life for the radioactive decay of potassium-40 to argon-40 is 1.26 x 10^9 years. Suppose...

Questions

Chemistry, 09.07.2019 03:00

Honey is a solution of two sugars glucose and fructose once the jar has been opened...

History, 09.07.2019 03:00

Which of the following is an accurate statement? a. the incan emperor conquered neighboring peoples and enlisted them in his army. b. the maya empi...

Biology, 09.07.2019 03:00

Plants and bacteria, that come into contact with fresh water are surrounded by tough that prevent the cells from expanding, even under tremendous osm...

Mathematics, 09.07.2019 03:00

The patient is to receive his daily dose in three doses. how many milligrams of medicine should the patient receive in each dose if his daily does is...

History, 09.07.2019 03:00

Describe how the government of the roman republic contributed to the development of democratic principles such as the separation of powers, rule of la...

Physics, 09.07.2019 03:00

Three forces acting on an object f1=10nup, f2=20ndown, f3= 5nup. find the net force using head to tail diagram....

Geography, 09.07.2019 03:00

Why did european countries sent colonists to the americas? to ease over population to convert the natives people to christianity to collect taxes fr...

Social Studies, 09.07.2019 03:00

What is a primary election, general election, special election, run-off election and recall election....

Mathematics, 09.07.2019 03:00

Given that the points (-1, 6), (3, 6), (3, 1), and (-1, 1) are vertices of a rectangle, how much shorter is the width than the length?...

Biology, 09.07.2019 03:00

Can someone me! ? levels of organization- name and describe each level of organization. i have included an acronym to you remember. old people c...

Mathematics, 09.07.2019 03:00

Why could the mean of the data set below be misleading? ages of teachers: 29, 38, 39, 26, 29, 29, 39, 77, 38, 29...

Health, 09.07.2019 03:00

3. in evaluating the rbrvs reimbursements for the physician practice, what other data should the intern consider? the intern notes that code 99205 ha...

Health, 09.07.2019 03:00

Jane gets bitten by a mosquito. through the bite, she can become infected with an organism carried by the mosquito. what role did the mosquito play in...

English, 09.07.2019 03:00

What best support the inference that tan believes nonstandard english in no less valid than standard english?...

Mathematics, 09.07.2019 03:00

1) a speed walker covered 4 1/2 mi in 3/4 hour. how far will he walk with the same pace in 2 hours? 3 hours? 3.5 hours? 2) two combine harvesters a...

History, 09.07.2019 03:00

The magna carta limited the king's power...

Mathematics, 09.07.2019 03:00

Which triangle defined by three points on the coordinate plane is congruent with the triangle illustrated, and why? a) (-1, , , 4); because correspo...

History, 09.07.2019 03:00

Conduct internet research and read the original letter that chief john ross wrote to president lincoln in an effort to assuage his relationship with t...

Mathematics, 09.07.2019 03:00

Which is a better deal a 16in diameter pizza for$12.99 or an 8in diameter pizza for $6?...

Mathematics, 09.07.2019 03:00

Taylor bought 200 shares of stock for $18.12 per share last year. he paid his broker a flat fee of $30. he sold the stock this morning for $21 per sha...

More questions: Chemistry Another questions