Given the balanced equation below, calculate the moles of aluminum that are needed to react completely with 17.5 moles of feo? show all work 2al+3feo—> 3fe+al2o3

The  moles  of Al that are needed to react completely  with 17 .5  moles  of FeO  is  11.67  moles

calculation

2Al +3 FeO  → 3 Fe + Al₂O₃

The moles of Al  is calculate using the mole ratio

That is; From equation above the  mole  ratio  of Al :FeO is 2:3  therefore the moles of Al

  = 17.5 moles x 2/3 = 11.67  moles

the best answer is d because the strong cohesion is caused by the ability of water molecules to undergo hydrogen bonding.

a is incorrect because when water solidifies, it becomes   ice, which expands and occupies a bigger volume for the same mass of water in its liquid state.

b is incorrect because water has high surface tension. besides bonding to itself it hydrogen bonds to other molecules at the top decreasing possibility for breaking of attractive forces.

c is incorrect because the water molecule has oxygen which is highly electronegative and so pulls the electron pair towards itself creating a dipole moment, making the molecule polar.

e is incorrect because water has strong adhesion, ability to stick to other molecules such as glass because of this molecules having stronger hydrogen bonding than water.