Methanol ( C H 3 O H ) is manufactured by the reaction of carbon monoxide with hydrogen in the presence of a C u / Z n O / A l 2 O 3 catalyst: C O ( g ) + 2 H 2 ( g ) ⇌ C a t a l y s t C u / Z n O / A l 2 O 3 C H 3 O H ( g ) Δ H ° = − 91 k j Does the amount of methanol increase, decrease, or remain the same when an equilibrium mixture of reactants and products is subjected to the following changes? The temperature is increased. The volume is decreased. Helium is added. CO is added. The catalyst is removed.
Methanol ( C H 3 O H ) is manufactured by the reaction of carbon monoxide with hydrogen in the presence of a C u / Z n O / A l 2 O 3 catalyst: C O ( g ) + 2 H 2 ( g ) ⇌ C a t a l y s t C u / Z n O / A l 2 O 3 C H 3 O H ( g ) Δ H ° = − 91 k j Does the amount of methanol increase, decrease, or remain the same when an equilibrium mixture of reactants and products is subjected to the following changes? The temperature is increased. The volume is decreased. Helium is added. CO is added. The catalyst is removed.
Solution Summary: The author explains that a chemical reaction is in equilibrium if there is no further change in its concentration takes place with time.
Methanol (
C
H
3
O
H
) is manufactured by the reaction of carbon monoxide with hydrogen in the presence of a
C
u
/
Z
n
O
/
A
l
2
O
3
catalyst:
C
O
(
g
)
+
2
H
2
(
g
)
⇌
C
a
t
a
l
y
s
t
C
u
/
Z
n
O
/
A
l
2
O
3
C
H
3
O
H
(
g
)
Δ
H
°
=
−
91
k
j
Does the amount of methanol increase, decrease, or remain the same when an equilibrium mixture of reactants and products is subjected to the following changes?
(2 pts) Why is O2 more stable as a diatomic molecule than S2?
Draw the Lewis structure for the polyatomic phosphite (PO¾³¯) a
anion. Be sure to include all resonance structures that satisfy the octet rule.
C
I A
[ ]¯
Decide whether these proposed Lewis structures are reasonable.
proposed Lewis structure
Is the proposed Lewis structure reasonable?
Yes.
:0:
Cl C C1:
0=0:
: 0 :
: 0 :
H C N
No, it has the wrong number of valence electrons.
The correct number is: ☐
No, it has the right number of valence electrons but doesn't satisfy the
octet rule.
The symbols of the problem atoms are:* ☐
Yes.
No, it has the wrong number of valence electrons.
The correct number is: ☐
No, it has the right number of valence electrons but doesn't satisfy the
octet rule.
The symbols of the problem atoms are:*
Yes.
☐
No, it has the wrong number of valence electrons.
The correct number is: ☐
No, it has the right number of valence electrons but doesn't satisfy the
octet rule.
The symbols of the problem atoms are:* |
* If two or more atoms of the same element don't satisfy the octet rule, just enter the chemical symbol as many
times as necessary. For example, if two oxygen atoms don't satisfy the octet rule, enter "0,0".
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