Ask a New Question

Calculating Parts per million Helium

Calculating Parts per millionHelium gas, 3.0 x 10^-4 is dissolved in 200.0 g of water. Express this concentrartion in parts per
1. 2 answers
2. asked by tom
3. 5,357 views
helium gas, 3.0 x 10-4 g dissolved in water, express this concentration in parts per million.
1. 1 answer
2. asked by mell
3. 1,224 views
helium gas, 3x10-4g, is dissolved in 200g of solution. Express this concentration in parts per million.
1. 3 answers
2. asked by Anonymous
3. 137 views
What is the critical temperature at which hydrogen can fuse into helium in the star’s core?A.5,800 K B.26.000 K C.One million
1. 0 answers
2. asked by Liz
3. 786 views
Use the graph below to determine how much higher in parts per million are carbon dioxide concentrations in the atmosphere in
1. 1 answer
2. 77 views
scientists have found that atmospheric carbon dioxide levels have [increased / decreased] from 280 parts per million to over
1. 1 answer
2. asked by calm luh fit
3. 101 views
Scientists have found that atmospheric carbon dioxide levels have from 280 parts per million to over parts per million during
1. 1 answer
2. 112 views
Select the correct answer from the list.(2 points)Scientists have found that atmospheric carbon dioxide levels have from 280
1. 1 answer
2. asked by eli
3. 199 views
Select the correct answer from the list.(2 points)Scientists have found that atmospheric carbon dioxide levels have from 280
1. 3 answers
2. 199 views
how many helium atoms must undergo fusion at 100 million K in the helium flash?
1. 0 answers
2. asked by bolometric
3. 852 views