lcjfletcher lcjfletcher

04-04-2021
Chemistry

contestada

Carbon 14 has a half-life of 5,730 years. If a sample contained 70 mg originally, how much is left after 17,190 years.

Respuesta :

keijosalonen keijosalonen

04-04-2021

Answer: Mass after three decay is 8.75 mg

Explanation: if you divide 17190 by 5730 you see three decays has happened.

So you divide mass by two three times. 70 mg :2 = 35 mg, 35 mg :2 = 17.5 mg

And 17.5 mg:2 = 8,75 mg

Answer Link

Otras preguntas

Jack has $4.95 in dimes and quarters. He has 30 coins total. How many dimes and how many quarters does he have ?

What were the working and living conditions for the working class people during the industrial revolution

Which statement about sternberg’s triangular theory of love is most accurate? A)There are five types of love that can be described from the three components of

Copy the measurements given onto the next of each solid.

On a number line, where is the sum (-2) + (-3) located?

When viral DNA combines with the host cell's DNA, the viral DNA becomes a

In the sentence I brought Jane herself to the party, herself is used as a reflexive pronoun true or false

which type of radiation particle cannot be completely blocked by lead shielding

how are these genes related

Susan found instruction for making a t-shirt memory quilt in a magazine. She thinks that she would like to make one, but the way that the instructions are writt