Answer:
this option is correct the amount of heat required to turn a mole of a solid into a liquid
Answer:
2 KOH(aq) + CuCl2(aq) = 2 KCl(s) + Cu(OH)2
Explanation:
I think it's Almond Soy Milk because they're recommending your body's pH to be at 7.5 and the Almond Soy Milk is the answer with the closest pH to 7.5
Answer: The correct answer is option B i.e., 2.78 mol
Explanation:
Aluminium reacts with iodine to form Aluminium iodide

From the equation, it is clear that 3 moles of iodine reacts with 2 moles of Aluminium to form Aluminium iodide
We know
For 2 moles of Aluminium, 
3 moles of Iodine reacts with 54 g of Aluminium
? moles of iodine react with 50 g of Aluminium
Yes it is polluting the river with everything the manufaturing plant gives off such as the chemicals released in the air