B. False. An alpha particle is a Helium nucleus which has a mass of 4 as it is made from 2 neutrons and protons each with mass of +1.
C. The action/reaction law states that a force is equal in both directions.
Answer:
fractionao distillation of two colourless liquids
Answer: False; it contains particles, but that doesn't mean it's a particle itself.
<em>Hope this help. </em>
Answer:
0.1739
Explanation:
0.800 mol of N2
0.200 mol of H2
0.150 mol of CH4
Total moles of the mixture = 0.8 + 0.2 + 0.150 = 1.150 mol
Mole fraction of H2 = Number of moles of H2 / Total moles
Mole Fraction = 0.2 / 1.150 = 0.1739
