Answer:
the answer you marked is correct
Explanation:
Answer: How many grams are in 2.5 moles of N2?
Explanation: 1 mole is equal to 1 moles N2, or 28.0134 grams.
One mole of N2 molecules would have a mass of 2 X 14.01 g = 28.02 g.
The test for this is fairly simple.
We take a glowing match or splint near the gas sample, if the glow intensifies, oxygen is present.
If a lit splint or match goes out with a popping sound, this means that hydrogen is present.
Solar winds. Plasma particles from the sun affect earth's atmosphere and cause magnetic interferance.
Answer:
Explanation:
<em>0.5 i go to k12 i jus took the test</em>