subject

Chemistry, 01.12.2021 17:10 xxxanitaxxx

Ash remains from an ancient fire pit was discovered to have only 12.5% of the original Carbon-14 it once contained. If the half-life of Carbon-14 is 5,730 years,

how long ago was this pit used? Show or describe how you solved this. *

ansver

Answers: 1

Show answers

Another question on Chemistry

question

Chemistry, 22.06.2019 06:00

Compare and contrast physical changes with chemical changes.

Answers: 1

question

Chemistry, 22.06.2019 06:30

The best solution for preventing harm to people and pets from severe hurricanes involves determining and warning residents about what

Answers: 1

question

Chemistry, 22.06.2019 16:00

Inside a flashbulb, oxygen surrounds a thin coil of magnesium. when the flashbulb is set off, a chemical reaction takes place in which magnesium combines with oxygen to form magnesium oxide. which of the chemical equations matches the reaction above? a. mg + o2 mgo2 + energy b. 2mg + o mg2o + energy c. 2mg + o2 2mgo + energy d. mg + o mgo + energy

Answers: 1

question

Chemistry, 22.06.2019 16:00

As changes in energy levels of electrons increase, the frequencies of atomic line spectra they emit

Answers: 2

You know the right answer?

Ash remains from an ancient fire pit was discovered to have only 12.5% of the original Carbon-14 i...

Questions

question

English, 20.03.2021 19:30

How much wood would a woodchuck chuck if a woodchuck could chuck wood (free Points)...

question

Mathematics, 20.03.2021 19:30

When you have a slope of -3 what is the rise and run you will need to graph the equation...

question

Mathematics, 20.03.2021 19:30

In the interval 0º < x < 360°, find the values of x for which tan x= -0.6745 Give your answers to the nearest degree....

question

Mathematics, 20.03.2021 19:30

What is another way to show 2 x 4/6...

question

Mathematics, 20.03.2021 19:30

Ill mark brainlist plss help ...

question

Mathematics, 20.03.2021 19:30

If f (x-7) = (x+9) find f(x) and P(-13)...

question

Mathematics, 20.03.2021 19:30

Ill mark brainlist plss help ...

question

Social Studies, 20.03.2021 19:30

During the industrialization of the United States The availability of new jobs in the country growing cities led many people to leave world areas to s...

question

Mathematics, 20.03.2021 19:30

Factorise (2t-7)²-(5t-4)² with working pls...

question

Mathematics, 20.03.2021 19:30

A certain type of chocolate bar is sold as follows. Single chocolate bar: 82p, or buy one get one half pricePacks of 5: £3, offer: 2 pack...

question

Mathematics, 20.03.2021 19:30

A 5-pound bag of cat food costs $11.25. What is the unit price of the cat food? a $0.44 per pound b $2.25 per pound

question

Physics, 20.03.2021 19:30

A student is supplied with the following pieces of equipment: • a small metal ball • table tennis ball • metre rule • stop clock

question

Mathematics, 20.03.2021 19:30

Will give branliest write 5(7j + 6 + 3j) into a verbal expression...

question

English, 20.03.2021 19:30

I will travel soon (passive voice)...

question

Mathematics, 20.03.2021 19:30

Ill mark brainlist pllsss help ...

question

Mathematics, 20.03.2021 19:30

9. A traffic study was conducted on a busy street. In 15-minute intervals from 6:30 a. m. to 8:00 a. m., the number of vehicles that passed a certain...

question

Mathematics, 20.03.2021 19:30

PLEASE HELP Cheryl writes 7 fewer posts than Kevin on a social media site. Answer the questions to write an algebraic expression. Then ev...

question

Biology, 20.03.2021 19:30

What are the different types of Manufacturing Layout?1.2.3.4.5.plsss ASAP...

question

Mathematics, 20.03.2021 19:30

Can someone help me?!?!?!?! ...

question

Mathematics, 20.03.2021 19:30

Write17.5 % as a decimal...

More questions: Chemistry Another questions

Questions on the website: 13722367