How many moles of water are produced if 5.43 mol pbo2 are consumed?10.9

The correct answer is 10.86 moles.

It is a stoichiometry based problem,  

One can solve this by just knowing the balanced chemical equation. The reaction where PbO2 is used and water is generated is:  

Pb + PbO₂ + 2H₂SO₄ → 2PbSO₄ + 2H₂O

The mentioned reaction is witnessed in the lead storage battery.  

Therefore, here as per the balanced equation one mole of PbO₂ is consumed providing two moles of water. So, for 5.43 moles of PbO₂, we will get,  

2 × 5.43 moles of water = 10.86 moles.  

the correct answer is 10.9

water   molecules stay close to each other through cohesion, the collective action of hydrogen bonds between water molecules. cohesion plants draw water upwards from the root through the stem's transport tubes (xylem) to the leaf. this transport occurs even in large trees and against gravity. transpiration, evaporation of water from plant leaves, creates a tension on water molecules being pulled up from the stem and roots.

water also has high (the attraction of one substance to another) properties because of its polar nature. adhesion of water molecules to plant cell walls counteract gravity while water is transported from roots to leaves.

water exhibits a very high surface tension when compared to other liquids. surface tension is a property of a liquid that holds the surface together and allows it to resist an external force. by capillary action, the water forms concave menisci inside the pores. the high surface tension of water pulls the concavity outwards, generating enough force to lift water from the roots to the leaves of plants.

thus, cohesion, along with adhesion and surface tension creates a capillary action that keeps water molecules interacting and moving through the plants out to the leaf cells.

therefore, option d) is the correct answer.

explanation:

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