xavi400 xavi400

24-11-2022
Chemistry

contestada

the unstable isotope of potassium 40k has a half life of 1.28 x109 years and can be used to date rocks. if you have a sample with 1.6x10-6 grams of 40k, home many decays per second will occur in your sample?

Respuesta :

Otras preguntas

How the theory of plate tectonics related to the formation and breakup of pangaea?

20 points! I need help with these problems!! Calculate the speed of a turtle that walked 280 centimeters in 7 seconds. Calculate the speed of an airplane that

Use the substitution method to solve the system of equations. {y=3x−715x−5y=14 What is the solution?

Add the two expressions. 3x - 4 and -2x + 8

Maple syrup, which comes from the sap of maple trees, contains water and natural sugars. It's a clear, brown liquid and the sugars can’t be separated by filtrat

Isaac goes to an amusement park where tickets for the rides cost $10 per sheet and tickets for the shows cost $15 each.

7x - 2y = 4 5y + 3x = 10

The ______________ ___________ and the ____________ ___________ were the two major man-made trade routes that made transportation and trade faster and easier

A 235 kg motorcycle moves with a velocity of 7 m/s. What's it's kenetic energy?

Vasco da Gama is known for