Answer:
true
Explanation:
This layer will prevent moisture from reaching the metal and therefore prevent rust. oil paint especially
To measure the kinetic engery from the inside and outside of something to be able to tell how hot or coll something is.. without touching it also
A...because both of them(carbon and oxygen)are nonmetal
Answer : The value of 
is -8.65 kJ/mol
Explanation :
The formula used for is:
............(1)
where,
= Gibbs free energy for the reaction = ?
= standard Gibbs free energy = -16.7 kJ/mol
R = gas constant = 
T = temperature = 
Q = reaction quotient = 22.7
Now put all the given values in the above formula 1, we get:
Therefore, the value of is -8.65 kJ/mol
Answer:
1. Balanced
2. Unbalanced
3. Unbalanced
Explanation:
<em>Identify which of the following oxidation-reduction reactions are balanced and which are unbalanced in both mass and charge.
</em>
<em>
</em>
<em>1. Ag⁺(aq) + Li(s) → Ag(s) + Li⁺(aq)
</em>
This reaction is balanced in both mass and charge.
<em>2. Fe(s) + Na⁺(aq) → Fe²⁺(aq) + Na(s)
</em>
This reaction is balanced in mass but unbalanced in charge since the charge to the left is +1 and the charge to the right is 2+.
<em>3. K(s) + H₂O(l) → KOH(aq) + H₂(g)</em>
This reaction is balanced in charge but unbalanced in mass since there are 2 atoms of H to the left and 3 atoms of H to the right.
