subject
Chemistry, 22.08.2019 19:30 audrey1256

Ninety percent of the sun is composed of which element?

ansver
Answers: 1

Another question on Chemistry

question
Chemistry, 22.06.2019 02:00
The alkali metals (group 1) consist of lithium (3), sodium (11), potassium (19), rubidium (37), cesium (55), and francium (87). they are soft, metallic solids with low densities and low melting points. based on the data shown in figure 1, how many valence electrons do alkali metals share?
Answers: 3
question
Chemistry, 22.06.2019 14:30
Aroom with dimensions 7.00m×8.00m×2.50m is to be filled with pure oxygen at 22.0∘c and 1.00 atm. the molar mass of oxygen is 32.0 g/mol. how many moles noxygen of oxygen are required to fill the room? what is the mass moxygen of this oxygen?
Answers: 1
question
Chemistry, 22.06.2019 21:30
The solid xy decomposes into gaseous x and y: xy(s) m x(g) + y(g) kp = 4.1 (at 0 °c) if the reaction is carried out in a 22.4 l container, which initial amounts of x and y will result in the formation of solid xy?
Answers: 1
question
Chemistry, 22.06.2019 22:30
What relationship exists between an enzyme and a catalyst?
Answers: 1
You know the right answer?
Ninety percent of the sun is composed of which element?...
Questions
question
Mathematics, 10.07.2019 13:10
Questions on the website: 13722367