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Alona [7]
2 years ago
6

Balanced equation between copper oxide and sulphuric acid

Chemistry
1 answer:
emmainna [20.7K]2 years ago
4 0

Answer:

CuO + H₂SO₄ ⟶ CuSO₄ + H₂O

Explanation:

The most likely reaction is a <em>double displacement</em>, in which Cu and H trade partners.

This gives

CuO + H₂SO₄ ⟶ CuSO₄ + H₂O

The equation is already balanced, so no further work is necessary.

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For the reaction Fe3O4(s) + 4H2(g) --&gt; 3Fe(s) + 4H2O(g)
mojhsa [17]

Answer : The value of equilibrium constant for this reaction at 328.0 K is 1.70\times 10^{15}

Explanation :

As we know that,

\Delta G^o=\Delta H^o-T\Delta S^o

where,

\Delta G^o = standard Gibbs free energy  = ?

\Delta H^o = standard enthalpy = 151.2 kJ = 151200 J

\Delta S^o = standard entropy = 169.4 J/K

T = temperature of reaction = 328.0 K

Now put all the given values in the above formula, we get:

\Delta G^o=(151200J)-(328.0K\times 169.4J/K)

\Delta G^o=95636.8J=95.6kJ

The relation between the equilibrium constant and standard Gibbs free energy is:

\Delta G^o=-RT\times \ln k

where,

\Delta G^o = standard Gibbs free energy  = 95636.8 J

R = gas constant  = 8.314 J/K.mol

T = temperature  = 328.0 K

K = equilibrium constant = ?

Now put all the given values in the above formula, we get:

95636.8J=-(8.314J/K.mol)\times (328.0K)\times \ln k

k=1.70\times 10^{15}

Therefore, the value of equilibrium constant for this reaction at 328.0 K is 1.70\times 10^{15}

3 0
3 years ago
Calculate the molar mass of a compound if 0.372 mole of it has a mass of 152g​
Snowcat [4.5K]

Answer:

409 g/mol

Explanation:

you divide the mass by the moles to get the molar mass

5 0
3 years ago
The term _____ describes a substance that can act as both an acid and a base.
telo118 [61]

The term amphoteric describes a substance that can act as both an acid and a base.

8 0
3 years ago
I really need help with this I would really appreciate it​
gulaghasi [49]
PV=nRT will give you the answer I think. I haven’t worked with a certain unit in that problem
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3 years ago
Draw it draw lewis dot structures for each hypothetical molecule shown below, using the correct number of valence electrons for
soldi70 [24.7K]

The first molecule is a sensible molecule having complete octet of each atom such as C, H and O whereas the second molecule having hydrogen present between the aldehyde and methyl group and thus showing hydrogen is making bond with aldehyde and methyl as well which is not possible because hydrogen only having one electron in its octet due to which it can only form a single bond by sharing its valence electron.

6 0
3 years ago
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