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hammer [34]
3 years ago
15

Que representa en la reacción química Na2SO4(s)+H2O(1)=

Chemistry
1 answer:
mars1129 [50]3 years ago
7 0

Answer: The given reaction is a double displacement reaction.

Explanation:

A chemical reaction equation in which both positive and negative ions of two different reactants are exchanged then it is called a double displacement reaction.

For example, Na_{2}SO_{4} + H_{2}O \rightarrow H_{2}SO_{4} + Na_{2}O

Here, hydrogen ions of H_{2}O are replaced by the sodium ions of Na_{2}SO_{4}. Also, sulfate ion of Na_{2}SO_{4} are replaced by oxygen ion of H_{2}O.

Thus, we can conclude that the given reaction is a double displacement reaction.

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To identify a diatomic gas (X2), a researcher carried out the following experiment: She weighed an empty 3.6-L bulb, then filled
aleksandrvk [35]

Answer:

The gas was N₂

Explanation:

V = 3.6L

P = 2.0 atm

T = 24.0°C = 297K

R = 0.0821 L.atm/K.mol

m = 8.3g

M = molar mass = ?

Using ideal gas equation;

PV = nRT

n = no. Of moles = mass / molar mass

n = m/M

PV = m/M * RT

M = mRT / PV

M = (8.3*0.0821*297) / (2.0*3.6)

M = 28.10

Since X is a diatomic molecule

M = 28.10 / 2 = 14.05 g/mol

M = Nitrogen

X = N₂

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2 years ago
Question 5 (1 point)<br> Potassium Bromide is insoluble.<br> O True<br> O False
Delicious77 [7]
Is soluble in water but not soluble in acetonitrile.

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4 0
3 years ago
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What type of reaction is the following reaction?<br> AgNO3+Na→ NaNO3 + Ag
almond37 [142]
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8 0
3 years ago
Such high amounts of pressure cause this layer to remain in a __________ state of matter even though the nickel and iron are at
Mkey [24]
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4 0
3 years ago
A mixture of 454 kg of applesauce at 10 degrees Celsius is heated in a heat exchanger by adding 121300 kJ. Calculate the outlet
stira [4]

Explanation:

The given data is as follows.

           Mass of apple sauce mixture = 454 kg

           Heat added (Q) = 121300 kJ

 Heat capacity (C_{p}) of apple sauce at 32.8^{o}C = 4.0177 kJ/kg^{o}C

So, Heat given by heat exchanger = heat taken by apple sauce

                            Q = mC_{p} \Delta T

or,                    Q = mC_{p} (T_{f} - T_{i})  

Putting the given values into the above formula as follows.

                     Q = mC_{p} (T_{f} - T_{i})  

              121300 kJ = 454 kg \times 4.0177 kJ/kg^{o}C \times (T_{f} - 10)

                      T_{f} = 76.5^{o}C

Thus, we can conclude that outlet temperature of the apple sauce is 76.5^{o}C.

3 0
3 years ago
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