Answer:
PH is a logarithmic scale it means that 1 increase or decrease in PH changes concentration tenfold
PH 3 is 10 times more acidic than PH 4
Explanation:
Answer:
The mass is 12.0107 but it rounds up to 12
Explanation:
It is known that the oxidation of to is catalyzed by
. In this process, two steps are involved as follows.
(a)
whereas, the second step is
(b)
Balancing the above reaction by multiplying equation (a) by 2 as follows.
(c)
Now, on adding both reaction equations (b) and (c) the net reaction equation will be as follows.
Thus, we can conclude that the equation for the final overall oxidation of by to give is as follows.
The plumb pudding model is based on the idea that the pudding in a bowl is all positively charged, with the plums dispersed in the pudding being the negatively charged particles.
Answer:
(a) 1.92 moles of Bi produced.
(b) 80.6 grams
Explanation:
Balanced equation: Bi2O3(s) + 3C(s) → 2Bi(s) + 3CO(g)
1st find moles of Bi2O3:
Bi2O3 has Mr of 466 and mass of 447 g
2nd find moles of Bi:
Bi2O3 : 2Bi
→ 1 : 2 ------ this is molar ratio.
→ 0.959227 : (0.959227)*2
→ 0.959227 : 1.91845
→ 0.959227 : 1.92
Therefore 1.92 moles of Bi was produced.
3rd Find moles of 3CO:
Bi2O3 : 3CO
1 : 3
0.959227 : (0.959227 )*3
0.959227 : 2.87768
3CO has 2.87768 moles and we know the Mr is 28.
g
Therefore 80.575 grams of CO was produced.