Chemistry, 03.07.2020 17:01 emaleyhughes21

A certain element consists of two stable isotopes. The first has a mass of 62.9 amu and a percent natural abundance of 69.1 %. The second has a mass of 64.9 amu and a percent natural abundance of 30.9 %. What is the atomic weight of the element?

Answers: 2

Show answers

Other questions on the subject: Chemistry

Chemistry, 21.06.2019 12:50, duracohack

5. how can you decrease the pressure of a gas in a container without changing the volume of the gas?

Answers: 1

continue

Chemistry, 21.06.2019 17:00, porkhappycom

This line graph compares the growth of plants that were kept in the sun for different amounts of time.a) on day 7, the plants kept in the sun for 3 hours were how tall? b) on day 7, the plants kept in the sun for 6 hours were how tall? c) on day 10, the plants kept in the sun for 9 hours were how tall? d) on day 11, the plant that was grown with 1 hour of sunlight was how tall? e) based on the graph, the plant grows best in what amount of sunlight?

Answers: 1

continue

Chemistry, 21.06.2019 19:10, cristinaledford3696

Imagine that you have produced several versions of lactase, each of which differs from normal lactase by a single amino acid. describe a test that could indirectly determine which of the versions significantly alters the three-dimensional shape of the lactase protein.

Answers: 2

continue

Chemistry, 22.06.2019 00:00, sonyfan

How did planetesmals form planets? a. they broke apart into smaller chunks. b. they collided and stuck together. c. they cooled and pulled ice together. d. they began to rotate.

Answers: 1

continue

You know the right answer?

A certain element consists of two stable isotopes. The first has a mass of 62.9 amu and a percent na...