3 years ago

What % of original U238 remains after three half lives? 1-50 2-25 3-12.5 4-6.25

Chemistry

1 answer:

Grace [21]3 years ago

7 0

Answer:

12.5

Explanation:

After three half-lives, one eighth (1/2 x 1/2 x 1/2) of the uranium-238 will remain. One-eighth equals 12.5%

You might be interested in

What makes a question testable? Can someone help me on this pls it has to be either a 4-5 sentence! this is a science question.

Alexxandr [17]

Answer:

testable questions are answer through observation or an experiment that provides evidence that the questions connects to the scientific concepts rather the opinion feelings

therefore the question can be tested through observation or experiment

7 0

3 years ago

Calculate the Ph of:

andrey2020 [161]

Answer:

pH= 3.82

Explanation:

Sodium ethanoate or sodium acetate (CH3COONa) ionises completely.

Ethanoic acid or acetic acid (CH3COOH), ionises partially because it is a weak acid.

4 0

3 years ago

6. The modern view of the atom has come a long way from that of a solid, indestructible sphere

Fynjy0 [20]

It is a true statement

4 0

3 years ago

After throwing the ball in the pool for my dog the ball sprung a leak and begin to fill with water. How many mL of water can th

ikadub [295]

Answer: i think 250ML

Explanation:

5 0

3 years ago

Hewo fellow earthlings

kobusy [5.1K]

Answer:

Hello!

Explanation:

5 0

2 years ago

Read 2 more answers