This question is dealing with the half-life of carbon-14 which can be used to determine the age of a substance according to the following equation:
t = [ln(N/No)/(-ln2)] · t1/2
N = # of carbon-14 atoms presently = 250 atoms
No = # of carbon-14 atoms initially = 1000 atoms
t1/2 = half-life = 5730 years for carbon-14
We can now input all of the information into the formula to find the age of the fossil:
t = [ln (250/1000)/-ln2] x 5730 years
t = 11460 years
The fossil should be found to be roughly 11,460 years old.
The magnitude of the heats of vaporization, fusion and sublimation of a substance reflect the intermolecular forces.
What are intermolecular forces?
- “Intermolecular forces” is used to describe the forces of attraction between atoms, molecules, and ions when they are placed close to each other.
- Atoms, molecules, and ions are strongly attracted to one another and move toward one another when intermolecular interactions are strong. These are more frequently encountered in states that are condensed, like liquid or solid.
- Atoms, molecules, or ions do not have a significant attraction to one another and move far apart when intermolecular forces are weak.
Learn more about the intra- and intermolecular forces with the help of the following link:
brainly.com/question/26701678
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Timbuktu was considered a MASSIVE trade center in Mali. That is how all of the foreign goods came into the kingdom. It also had education centers which was very important in Mali.
Take a pic on google and do google speech’s nd it’ll find the packet for you
