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MAVERICK [17]
3 years ago
6

If you started with 0.183 mol of N2 and 0.549 mol of H2, and they completely reacted in the reaction vessel, determine the total

moles of gas particles (n) there are during the initial and final conditions. Additionally, determine the ratio of the number of gas particles in the products to that of the reactants, then complete the statements below.
Chemistry
1 answer:
castortr0y [4]3 years ago
8 0

Answer:

Initial we have 0.183 + 3*0.183 = 0.732 moles of gas (those will all be consumed).

In the products we have 0.366 moles of gas

Explanation:

Step 1: Data given

Number of moles of N2 = 0.183 mol

Number of moles of H2 = 0.549 mol

Step 2: The balanced equation:

N2 + 3H2 → 2NH3

Step 3: Calculate the limiting reactant

For 1 mol of N2 we need 3 moles of H2 to produce 2 moles of NH3

There is no limiting reactant. But will be completely consumed

Step 4: Calculate moles of NH3

For 1 mol of N2 we have 2 moles of NH3 produced

For 0.183 moles of N2 we have 2*0.183 = 0.366 moles of NH3 produced

Initial we have 0.183 + 3*0.183 = 0.732 moles of gas (those will all be consumed).

In the products we have 0.366 moles of gas

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klio [65]

Answer:

C3H6 + Br2 → C3H6Br2

Explanation:

The reaction in which C3H6Br2 (1,2-Dibromopropane) is created is:

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We can see that the only difference between the product (C3H6Br2) and the known reactant (C3H6) of the reaction is two bromine atoms (Br2). Br2 is diatomic bromine - a molecule we get after combining two bromine atoms. This compound is a red-brown liquid at room temperature, which means that that is the liquid described in your question.

4 0
3 years ago
For the reaction o(g) + o2(g) → o3(g) δh o = −107.2 kj/mol given that the bond enthalpy in o2(g) is 498.7 kj/mol, calculate the
Aneli [31]
The reaction;
O(g) +O2(g)→O3(g), ΔH = sum of bond enthalpy of reactants-sum of food enthalpy of products.
ΔH = ( bond enthalpy of O(g)+bond enthalpy of O2 (g) - bond enthalpy of O3(g)
-107.2 kJ/mol = O+487.7kJ/mol =O+487.7 kJ/mol +487.7kJ/mol =594.9 kJ/mol
Bond enthalpy (BE) of O3(g) is equals to 2× bond enthalpy of O3(g) because, O3(g) has two types of bonds from its lewis structure (0-0=0).
∴2BE of O3(g) = 594.9kJ/mol
Average bond enthalpy = 594.9kJ/mol/2
=297.45kJ/mol
∴ Averange bond enthalpy of O3(g) is 297.45kJ/mol.
8 0
4 years ago
hat is the percentage of water in the following compound? Answer using three significant figures. Sodium carbonate decahydrate,
BigorU [14]
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7 0
3 years ago
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Answer:

Explanation:

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4 0
3 years ago
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Assume the molality of isoborneol in your product is 0.275 mol/kg. What is the melting point of your impure sample given that th
aliina [53]

Answer:

168°C is the melting point of your impure sample.

Explanation:

Melting point of pure camphor= T =179°C

Melting point of sample = T_f = ?

Depression in freezing point = \Delta T_f

Depression in freezing point  is also given by formula:

\Delta T_f=i\times K_f\times m

K_f = The freezing point depression constant

m = molality of the sample  = 0.275 mol/kg

i = van't Hoff factor

We have: K_f = 40°C kg/mol

i = 1 (  non electrolyte)

\Delta T_f=1\times 40^oC kg/mol\times 0.275 mol/kg

\Delta T_f=11^oC

\Delta T_f=T- T_f

T_f=T- \Delta T_f=179^oC-11^oC=168^oC

168°C is the melting point of your impure sample.

4 0
3 years ago
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