Answer:
61.6 g of CO₂ were produced
Explanation:
Let's think the combustion
C + O₂ → CO₂
First of all we determine the moles:
16.8 g . 1mol / 12 g = 1.4 moles
As the question states the oxygen is remained unreacted, the oxygen is the reactant in excess, so the limiting is the C.
1 mol of C produces 1 mol of CO₂, so 1.4 moles in the reactant will produce the same amount products.
We convert the moles to mass.
1.4 mol . 44 g / 1mol = 61.6 g
Answer:
B. is the answer
Explanation:
Energy in form of heat is transferred from the warmer mashed potatoes to the cooler spoon.
I think it’s found in the nucleus and has a mass of one amu
A process called respiration. This process is carried out in organelles in the cell<span> called the Mitochondria.</span>
Nitric oxide (NO) is the catalyst used for the oxidation of SO2 to SO3 in the lead chamber process for the manufacture of sulphuric acid.
<h3>
Nitric oxide</h3>
The volume of flask =10 liter
(a) 2SO2+O2⇌2SO3K=100
At an x a
end a/10 x/10 a/10
const KC=(x/10)(a/10)2(a/10)2=100
1001=10x⇒x=1/10
0.1 moles of O2 are present .
(b) 2SO2+O2⇌2SO3
At an x 2a
eq a/10 x/10 2a/10
contact
KC=(x/10)(a/10)2(102a)2⇒x/104=100
x=4/10=0.4 moles of O2.
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