Answer:
LOL YOUR PFP OMG SO FUNNY
Answer:
False. The balance equation for the redox reaction is:
2Fe + 3CuSO₄ → 3Cu + Fe₂(SO₄)₃
Explanation:
Let's think the half reactions:
Fe → Fe³⁺ + 3e⁻
The Fe increase the oxidation state. This is the oxidation, where Fe changes from 0 to +3
Cu²⁺ + 2e⁻ → Cu
This is the reduction. Cu changes from 2+ to 0
We multiply the half reaction x2 and x3 to balance the electrons
2Fe → 2Fe³⁺ + 6e⁻
3Cu²⁺ + 3e⁻ → 3Cu
And we sum both
2Fe + 3Cu²⁺ + 6e⁻ → 3Cu + 2Fe³⁺ + 6e⁻
The electrons are cancelled, so the balance reaction is:
2Fe + 3CuSO₄ → 3Cu + Fe₂(SO₄)₃
Answer:
<em>The grams of hydrogen gas that are released is 0.343 gram</em>
Explanation:
<em>Given that:</em>
<em>2 Na + 2h₂0 ⇒ 2Na0H +N₂</em>
<em>Molecules of Na = 7.9/2.3 = 0.343 mol Na</em>
<em>Now,</em>
<em>2 molecules of Na produces one mole h₂</em>
<em>0.343 mol of Na produce 0.343/2 = 0.1717 mol h₂</em>
<em>h2 = molecules * mw (molecular weight) =0.1717 * 2 =0.343 grams</em>
<em>Therefore the grams of hydrogen gas released is = 0.343 grams</em>
Answer:
The reason is that sodium attaches itself very strongly to other elements. Its compounds are very difficult to break apartand also because it is so reactive.
Answer: Concentration of the chemist's sodium chloride solution is 34.4 mol/L.
Explanation:
Molarity of a solution is defined as the number of moles of solute dissolved per Liter of the solution.
where,
n= moles of solute
= volume of solution in ml
Given : moles of = 6.89
volume of solution = 200 ml
Putting in the values we get:
Thus the concentration of the chemist's sodium chloride solution is 34.4 mol/L.