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Aliun [14]
3 years ago
15

Please help pleaseeeeee

Chemistry
1 answer:
Novosadov [1.4K]3 years ago
3 0

Answer:

C

Explanation:

It can already be seperated because the mixture hasn't disolved into the water yet.

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The following reaction was carried out in a 3.00 L reaction vessel at 1100 K:
Nady [450]

Answer:

Q=0.840

Explanation:

Hello,

In this case, since the given undergoing chemical reaction is correctly balanced, the reaction quotient is computed as well as the equilibrium constant but in terms of the given concentrations that are:

C_{C}=\frac{5.25mol}{3.00L} =1.75M\\C_{H_2O}=\frac{12.2mol}{3.00L} =4.07M\\C_{CO}=\frac{3.90mol}{3.00L}=1.30M\\C_{H_2}=\frac{7.90mol}{3.00L} =2.63M

In such a way, the reaction quotient turns out:

Q=\frac{C_{CO}C_{H_2}}{C_{H_2O}}=\frac{1.30M*2.63M}{4.07M}\\ Q=0.840

Taking into account that carbon is not included since it is solid.

Best regards.

7 0
3 years ago
A carbohydrate such as glucose has a great deal of ______ energy.
mihalych1998 [28]

Answer:

Chemical energy

Explanation:

Energy in carbohydrates is stored as chemical energy which is released when the carbohydrate is broken down by the body to give glucose and ATP. Animals eat carbohydrates as energy molecules from which they derive energy from the stored chemical energy.

6 0
3 years ago
How many gallons of 80% antifreeze solution must be mixed with 60 gallons of 20% antifreeze to get a mixture that is 70% antifre
Anarel [89]
Let A be the 80% solution and B be the 20% solution and P be the produce solution of 70%. Va and Vb and Vp are the volumes of A and B and P respectively.
Va + 60 = Vp
0.7Vp = 0.8Va + 0.2(60)
Substituting the value of Vp from the first equation:
0.7(Va + 60) = 0.8Va + 12
30 = 0.1Va
Va = 300 gallons
6 0
3 years ago
Read 2 more answers
The molar mass of magnesium (Mg) is 24.30 g/mol. There are 6.02 Times. 1023 atoms in 1 mol.
rjkz [21]
Your answer to this question is 1.20 times 1024 atoms
8 0
3 years ago
If I contain 3 moles of gas in a container with a volume of 60 liters and at a
viktelen [127]

Answer:    n = 3.0 moles

V = 60.0 L

T = 400 K

From PV = nRT, you can find P

P = nRT/V = (3.0 mol)(0.0821 L-atm/K-mol)(400 K)/60.0L

P = 1.642 atm = 1.6 atm (to 2 significant figures)

4 0
3 years ago
Read 2 more answers
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