Answers for this questions are:
1)
trough - lowest point of the wave.<span>
2) crest - highest point of wave.
3) amplitude - distance from rest position to
the crest or thoughs.
4) wavelenght - distance from two consecutive
crest or troughs.
<span>5) rest position - the flat line running through
middle of the wave.</span></span>
The answer would be Ca + FeN = Ca3N2 + 2Fe
Air is a mixture of gasses, including nitrogen, oxygen, carbon dioxide and water vapour, as such it is always chemically impure.
Answer:
H₂O = 3.56 moles
MgCl₂ = 1.78 moles
Explanation:
Given data:
Moles of HCl = 3.56 mol
Moles of water produced = ?
Moles of MgCl₂ produced = ?
Solution:
Chemical equation:
2HCl + Mg(OH)₂ → MgCl₂ + 2H₂O
Now we will compare the moles of HCl with water and magnesium chloride.
HCl : MgCl₂
2 : 1
3.56 : 1/2×3.56 = 1.78 mol
HCl : H₂O
2 : 2
3.56 : 3.56 mol