Chemistry, 27.01.2020 19:31, evalentine843
Type the correct answer in the box. express your answer to three significant figures.
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 n = n0 .
a tree branch that originally had 4.3 grams of carbon-14 will have
grams after 50,000 years.
Answers: 1
Chemistry, 22.06.2019 10:00, melissa9882
A50.0g sample of liquid water at 0.0 c ends up as ice at -20.0 c. how much energy is involved in this change?
Answers: 1
Chemistry, 23.06.2019 01:30, yarrito20011307
Which conclusion fits the data in the table? a. heat chemically changes chocolate and margarine. b. all solids become liquid at 100°f. c. removing heat from a substance it to melt. d. matter may change shape when it is heated.
Answers: 1
Chemistry, 23.06.2019 03:30, alvfran1041
Astudent uses universal ph paper to find the ph of three solutions . solution a has a ph of 5 solution b has a ph of 11 and solution c has a ph of 7 identify which solution is acidic which solution is neutral and which solution is basic
Answers: 1
Type the correct answer in the box. express your answer to three significant figures.
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