Chemistry, 13.04.2021 23:00 Rubendelarosa1529

The half life of potassium 40 is approximately 1.25 billion years. An igneous rock is found to contain about 1/4 of its original mass of potassium 40. The approximate age of the rock is billion years.

Answers: 2

Show answers

Another question on Chemistry

Chemistry, 21.06.2019 19:30

Determine the number o moles of ions/atoms/particle in the following: 2.50 miles of k2s (let me know how to do)

Answers: 1

Answer

Chemistry, 22.06.2019 06:30

This drawing shows a human body system. what is the primary function of this body system?

Answers: 3

Answer

Chemistry, 22.06.2019 15:30

How many moles are in 43.9 l of oxygen

Answers: 1

Answer

Chemistry, 22.06.2019 23:00

What is the formula of the ionic compound composed of calcium cations and chloride anions

Answers: 1

Answer

You know the right answer?

The half life of potassium 40 is approximately 1.25 billion years. An igneous rock is found to conta...

Questions

Mathematics, 01.10.2019 09:30

Which expression is equivalent to (82)−4?...

Physics, 01.10.2019 09:30

You would most likely find a weather ballon an it's highest altitude in which layer above earth (a) exosphere (b) mesospher (c) stratosphere (d) therm...

Mathematics, 01.10.2019 09:30

There is a small pond which is 8 metres long 4 metres wide and 2 metre deep what is the volume of the pond...

Mathematics, 01.10.2019 09:30

2. a 2-mi cab ride costs $5.25. a 5-mi cab ride costs $10.50. which equation models the cost y of the cab ride for ride that is x miles? a) y =...

Arts, 01.10.2019 09:30

Islamic illuminated manuscripts often preserves knowledge from which area of the world? a. medieval africa b. ancient mesopotamia

History, 01.10.2019 09:30

Name the u. s. women's clothing retailer that was founded in 1976 and recently announced that it's closing all of its retail stores in may....

Mathematics, 01.10.2019 09:30

Ajewelry store buys small boxes in which to wrap items that they sell. the diagram below shows one of the boxes. find the lateral area and the surface...

Mathematics, 01.10.2019 09:30

How many roots does y=x^2-4x+6 have...

Mathematics, 01.10.2019 09:30

Break apart the addends to find the sum second grade...

Mathematics, 01.10.2019 09:30

Nick has 31 coins, make up of quarters, nickels, and dimes. if he had one more dime, he would have just as many dimes as he has nickels and quarters p...

Mathematics, 01.10.2019 09:30

If f(x)=e^sinx, how many zeros does f'(x) have on the closed interval [0,2╥]?...

History, 01.10.2019 09:30

All of the following allowed for widespread exploration starting in the 1400s except: better, more maneuverable ships navigation devices such as the...

History, 01.10.2019 09:30

which act best describes the reason for the barbary war? a. the seizure of american cargo vessels by the french b. the violation of...

Physics, 01.10.2019 09:30

Besides the sun and planets what other objects make up our solar system?...

History, 01.10.2019 09:30

Question 2 (multiple choice)what was the impact of the allied defeat of the axis powers in italy? a. the axis defeat in italy...

Mathematics, 01.10.2019 09:30

Consider the equation below. (if an answer does not exist, enter dne.) f(x) = x4 − 32x2 + 3 (a) find the interval on which f is increasing. (enter you...

Social Studies, 01.10.2019 09:30

Which of these best describes the advice george washington gave americans about relationships with foreign powers in his farewell address? a) america...

English, 01.10.2019 09:30

Key words are the main words in a sentence. true false...

Biology, 01.10.2019 09:30

For which form of reproduction is a mate required...

English, 01.10.2019 09:30

What is the most likely reason this campaign includes a city in the background ?

More questions: Chemistry Another questions