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ankoles [38]
3 years ago
5

What does the kinetic theory explain?

Chemistry
2 answers:
olya-2409 [2.1K]3 years ago
6 0
I believe the correct answer from the choices listed above is the third option. The kinetic theory explains that heat is due to the motion of molecules. Temperature is the measurement used to measure heat and is directly proportional to the average kinetic energy of the molecules.  
Oksi-84 [34.3K]3 years ago
3 0

Answer:  Heat is due to the motion of molecules.

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Reaction 1: C3H8(g)+5O2(g)→3CO2(g)+4H2O(g), ΔH1=−2043 kJ
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Given teh equation adn the heat of reaction, reaction 2's heat of reaction can be obtained by simply multiplying teh heat of reaction of 1 by 3. The final answer is -6129 kJ. 
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Ammonium carbonate decomposes upon heating according to the following balanced equation:
Ugo [173]

Answer : The total volume of gas produced are, 11.5 L

Explanation :

First we have to calculate the moles of ammonium carbonate.

\text{Moles of }(NH_4)_2CO_3=\frac{\text{Mass of }(NH_4)_2CO_3}{\text{Molar mass of }(NH_4)_2CO_3}

Molar mass of (NH_4)_2CO_3 = 96.094 g/mol

\text{Moles of }(NH_4)_2CO_3=\frac{11.9g}{96.094g/mol}

\text{Moles of }(NH_4)_2CO_3=0.124mol

Now we have to calculate the moles of total gas.

The given balanced chemical reaction is:

(NH_4)_2CO_3(s)\rightarrow 2NH_3(g)+CO_2(g)+H_2O(g)

From the balanced chemical reaction we conclude that,

As, 1 mole of (NH_4)_2CO_3 react to give 4 mole of gas

So, 0.124 mole of (NH_4)_2CO_3 react to give 0.124\times 4=0.496 mole of gas

Now we have to calculate the volume of gas.

Using ideal gas equation:

PV=nRT

where,

P = Pressure of gas = 1.05 atm

V = Volume of gas = ?

n = number of moles = 0.496 mole

R = Gas constant = 0.0821L.atm/mol.K

T = Temperature of gas = 24.0^oC=273+24.0=297.0K

Putting values in above equation, we get:

1.05atm\times V=0.496mole\times (0.0821L.atm/mol.K)\times 297.0K

V=11.5L

Thus, the total volume of gas produced are, 11.5 L

6 0
3 years ago
4. Nitrogen and oxygen gases react to form dinitrogen monoxide gas (N2O). What volume of O, is
solmaris [256]

Answer:

no be t ha t s had ice

Explanation:

uah an

8 0
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