If the sky is actually black, and the water is actually clear, where does the blue color for the sky and water come from?
1 answer:
You might be interested in
Answer:
The answer is "0.35".
Explanation:
please find the complete question in the attached file.
Mass of
Molar mass of
No of moles in
Mass of water
The molar mass of water
moles of water :
Molfraction of acetic acid:
Answer: 1.3% many crosslinks as isoprene units,
Explanation:
Given:
mass pf natural rubber= 200.0g
mass of sulphur = 4.8g
molar mass of sulphur =32g/mol
molar mass of isoprene = C5H8=( 12x5) +(1x8)= 68g/mol
Solution: we first find no of moles present in each using
no of moles =
Isoprene: 200.0g x [1mole / 68g] = 2.94moles.
Sulfur: 4.8g x [1mole / 32g] x [1 mole crosslinks / 4 moles S] = 0.0375 moles crosslinks.
to find % crosslinked units, we have
0.0375 / 2.94 = 1.3% as many crosslinks as isoprene units,