1. A
2. B
3. A
4. A
5. A
6. C
7. A
8. A
9. ?
10. A
Answer:
Helium
Explanation: The real gas that acts most like an ideal gas is helium. This is because helium, unlike most gases, exists as a single atom, which makes the van der Waals dispersion forces as low as possible. Another factor is that helium, like other noble gases, has a completely filled outer electron shell.
mass of 1 mole of N is 14g
so mass of 3.45 mole is
3.45 × 14 = 48.3 g
Answer:
The molecular formula of a compound may be the empirical formula, or it may be a multiple of the empirical formula. So, yes!
Explanation:
5: water cycle
6: use the image to help you:
Second page
BTB also known as Bromothymol blue (
1: Carbon Transfer through Snails, Bromothymol blue (BTB) is an indicator that turns yellow in the presence of carbon dioxide.
Meaning the snails produced carbon dioxide by breathing
2: The plant Elodea didnt produce any carbon dioxide beceause it needs to go threw photosynthesis
3: im unsure of this one
4: this im unsure of as well
im sorry im unable to answer number 3 and 4 but i hope the rest helps!!