Chemistry

Chemistry, 21.10.2020 02:01, antonio9768

What is the average atomic mass of Si if 92.21% of its atoms have mass 28 amu, 4.70% of its atoms have mass 29 amu, and 3.09% of its atoms have mass 30
amu?

answer

Answers: 2

Show answers

Other questions on the subject: Chemistry

Chemistry, 22.06.2019 11:40, vlout

Consider this equilibrium: n29) + o2(g) + 2no(c).nitrogen gas and oxygen gas react when placed in a closed container. as the reaction proceeds towards equilibrium, what happens to the rate of thereverse reaction?

Answers: 1

Chemistry, 22.06.2019 12:30, bCrawfish

The element that has the greatest electronegativity is

Answers: 1

Chemistry, 22.06.2019 20:10, raiindrxp

What would happen to a volleyball left outside in the winter? o o o o a. it would expand. b. it would lose air. c. it would shrink. d. it would explode.

Answers: 2

Chemistry, 23.06.2019 00:00, ahmedeldyame

#20 which type of bond is formed when bases pair in dna? ionic bond covalent bond coordinate bond hydrogen bond

Answers: 1

Do you know the correct answer?

What is the average atomic mass of Si if 92.21% of its atoms have mass 28 amu, 4.70% of its atoms h...

Questions in other subjects:

Konu

English, 21.04.2020 23:13

Someone plz do this for me! I'm not gonna pass 8th gradeWe've recently read, discussed, and analyzed the text Sugar Changed the World. For this assignment, you will choose the type...

Konu

Biology, 21.04.2020 23:13

1. What elements make up molecules of sugar?...

Konu

History, 21.04.2020 23:13

What can discretionary funds be used to pay for? O A. Any fun thing that comes up O B. Higher education or job training O C. Monthly car payment...

Konu

Chemistry, 21.04.2020 23:13

The Universal Space Agency wants to know the results of your Sim investigation. Write your report to the lead chemist, explaining why there is liquid water on the outside of...

Konu

Mathematics, 21.04.2020 23:13

You randomly draw A marble from a bag, record it’s color, and then replace it. You draw a blue marble 11 out of 50 times. What is the experimental probability that the next marble...

Konu

Mathematics, 21.04.2020 23:13

A line passes through the points (-3, 7) and (6, 4). Which shows the graph of this line? GO...

Konu

Mathematics, 21.04.2020 23:13

What is the length of the hypotenuse for a right triangle 11 and 60...

Konu

Health, 21.04.2020 23:13

Select the correct answer.in the sameHuman blood consists of blood groups A, B, and O. However, there is one more blood group, An, which contains alles andgenotyp...

Konu

English, 21.04.2020 23:13

Re read lines 67-71 and identify description word and phrases. what do these descriptions suggest anout Icarus experience...

Konu

Mathematics, 21.04.2020 23:14

Which algebra expression are polynomials? Check all that apply. Mean more than one.

Other tasks in the category: Chemistry More task