This is due tomorrow so please help! : name a product where viscosity is important its creation or use explain why it is important

In which reaction is precipitation occurring?

What is the indicator of the number of ions in solution? the amount of conductivity the amount of precipitate the amount of solute added

Consider the reaction: 2al(s) + fe2o3(s) → al2o3(s) + 2fe(s) the δhf for fe2o3(s) = -824.3 kj/mole. the δhf for al2o3(s) = -1675.7 kj/mole. finish the equation. δhrxn = [(1)( kj/mole) + (2)( kj/mole)] - [(1)( kj/mole) + (2) ( kj/mole)]