subject
Chemistry, 26.01.2021 02:50 stodd9503

Please help answer these question Composition of the atmosphere
1. What percentage of Hydrogen is present in the hydrosphere?

2. State the percentage of oxygen by mass present in the following:
a. Crust
b. Hydrosphere
3.How much nitrogen by percentage is found in the troposphere?

4.State the percentage of oxygen in the troposphere.

5. list three gases that make up the early atmosphere.

ansver
Answers: 1

Another question on Chemistry

question
Chemistry, 22.06.2019 02:40
Achange in the number of neutrons in an atom will change an blank . when the number of protons changes in an atom, a new element will form.
Answers: 2
question
Chemistry, 22.06.2019 12:40
In the following table, all the columns for the element calcium are filled out correctly. element electron structure of atom electron structure of ion net ionic charge calcium 1s22s22p63s23p64s2 1s32s22p63s23p64s1 +1 true false
Answers: 2
question
Chemistry, 23.06.2019 02:30
Which statement best describes the liquid state of matter? a. it has definite shape but indefinite volume. b. it has definite shape and definite volume. c. it has indefinite shape and indefinite volume. d. it has indefinite shape but definite volume.
Answers: 1
question
Chemistry, 23.06.2019 08:00
Technician a says that you should never jump-start a frozen battery. technician b says that a frozen battery can explode, causing injury, when jump-started. who is correct?
Answers: 2
You know the right answer?
Please help answer these question Composition of the atmosphere
1. What percentage of Hydroge...
Questions
Questions on the website: 13722362