Q6) Ahmad has two unlabeled balloons, one filled with hydrogen
gas and the second filled with neon gas.
Densities
How dense is that gas?
Density at
Gas
0°C and
1 atm (g/L)
Argon, Ar
1.784
Carbon dioxide, CO, 1.977
Helium, He
0.1786
Nitrogen, N
1.251
Oxygen, o,
1.429
Hydrogen
0.08988
Neon-
0.900 TL
I
TO
He places both balloons in a chamber of Helium to help him identify
neon and hydrogen.
a.
Predict what will happen to help Ahmed identify the element
in each of the balloons when it is placed in Helium. Explain your
answer. Give your evidence
Answers: 2
Physics, 22.06.2019 15:10, Pookaapoo8832
When electrons are added to the outermost shell of a carbon atom, it forms--an anion that has a larger anion that has a smaller cation that has a larger cation that has a smaller radius.
Answers: 3
Physics, 22.06.2019 16:50, Jstylez1789
Consider the growth of a 20-nm-diameter silicon nanowire onto a silicon wafer. the temperature of the wafer surface is maintained at 2400 k. assume the thermal conductivity of the silicon nanowire is 20 wm-1k-1 and all its surfaces including the tip are subjected to convection heat transfer with the coefficient h = 1×105 wm-2k-1 and t∞ = 8000 k. when the nanowire grows to l = 300 nm, what is the temperature of the nanowire tip (t (x =
Answers: 1
Q6) Ahmad has two unlabeled balloons, one filled with hydrogen
gas and the second filled with neon...
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