Chemistry, 11.05.2021 07:10 sakinahunt
The half-life of carbon-14 is 5,730 years. Dating organic material by looking for C-14 can’t be accurately done after 50,000 years.
Suppose a fossilized tree branch originally contained 4.30 grams of C-14. How much C-14 would be left after 50,000 years?
use the formula in the picture;
Answers: 1
Chemistry, 21.06.2019 14:30
Which is true of the reactants in this displacement reaction? fe + 2hcl fecl2 + h2 a. the reactants are located to the left of the arrow in the chemical equation. b. the reactants contain 1 iron atom, 2 hydrogen atoms, and 1 chlorine atom. c. the reactants are the atoms, molecules, or compounds formed in the reaction. d. the reactants have the same physical and chemical properties as the products.
Answers: 1
Chemistry, 21.06.2019 21:30
It takes 945.kj/mol to break a nitrogen-nitrogen triple bond. calculate the maximum wavelength of light for which a nitrogen-nitrogen triple bond could be broken by absorbing a single photon.
Answers: 3
Chemistry, 22.06.2019 23:00
What is the number of neutrons in an atom with atomic mass of 35
Answers: 2
Chemistry, 23.06.2019 01:00
Which of the following is a physical change? a.burning a piece of wood b.sawing a piece of wood in half c.rust forming on an iron fence d.a copper roof changing color from orange to green
Answers: 1
The half-life of carbon-14 is 5,730 years. Dating organic material by looking for C-14 can’t be accu...
Mathematics, 09.02.2021 05:20
Mathematics, 09.02.2021 05:20
Mathematics, 09.02.2021 05:20
Mathematics, 09.02.2021 05:20
Social Studies, 09.02.2021 05:20
Mathematics, 09.02.2021 05:20
Spanish, 09.02.2021 05:20