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geniusboy [140]
3 years ago
12

A chemist is studying the following reaction: NO + NO2 ⇌ N2O3. She places a mixture of NO and NO2 in a sealed container and meas

ures how long it takes to achieve equilibrium. She then devises a system of removing all the N2O3 that is produced in this reaction. What effect will this have?
Chemistry
1 answer:
Yuri [45]3 years ago
5 0

Answer:

The reaction will continue in the forward direction until all the NO or all the NO₂ is used up.

Explanation:

  • <em>Le Châtelier's principle </em><em>states that when there is an dynamic equilibrium, and this equilibrium is disturbed by an external factor, the equilibrium will be shifted in the direction that can cancel the effect of the external factor to reattain the equilibrium.</em>

  • So, according to  Le Chatelier's principle, removing the product (N₂O₃) from the system means decreasing the concentration of the products; thus, the reaction will proceed forward to produce more product to minimize the stress of removing N₂O₃ from the system.

  • <em>So, the reaction will continue in the forward direction until all the NO or all the NO₂ is used up. </em>

<em></em>

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To find amount of atoms from mol, multiply the mole amount by Avogadro’s number

5.70x10^32 x 6.02x10^23

= 3.43x10^56 atoms
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Mass of sodium + nitrogen +oxygen+ oxygen+ oxygen =
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Answer:

Oxygen's atomic weight is 16.00 amu. 1 mole of oxygen is 6.02 x 1023 atoms of oxygen 1 amu = 1.661 x 10-24g What is the molar mass (g/mole) of oxygen? Molar mass (in grams) is always equal to the atomic weight of the atom!

Explanation:

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3 years ago
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A piece of iron at 75.0oC is dropped into 50.0 g of water at 20.0oC. The final temperature of the water is 28.3oC. The specific
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<h2>13</h2>

Explanation:

<em>b</em><em>e</em><em> </em><em>c</em><em>r</em><em>i</em><em>t</em><em>i</em><em>c</em><em>a</em><em>l</em><em> </em><em>t</em><em>h</em><em>i</em><em>n</em><em>k</em><em>e</em><em>r</em><em>s</em>

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3 years ago
You have 3.50 l of solution that contains 90.0 g of sodium chloride, nacl. what is the molar mass of nacl? what is the molarity
nadya68 [22]
M(NaCl) = Ar(Na) + Ar(Cl) · g/mol.
M(NaCl) = 22,99 + 35,45 · g/mol.
M(NaCl) = 58,44 g/mol.
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m(NaCl) = 90 g.
n(NaCl) = m(NaCl) ÷ M(NaCl).
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3 0
3 years ago
Using the first volume and temperature reading on the table as V1 and T1, solve for the unknown values in the table below. Remem
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<u>Answer:</u> Th value of A is 3.8\times 10^2K, value of B is 0.84 L, value of C is 1.1 L and the value of D is 2.2\times 10^2K

<u>Explanation:</u>

To calculate the missing values of volume and temperature, we will use Charles' Law.

This law states that volume is directly proportional to the temperature of the gas at constant number of moles and pressure. Equation given by this law is:

\frac{V_1}{T_1}=\frac{V_2}{T_2}      ....(1)

where,

V_1\text{ and }T_1 are initial volume and temperature of the gas

V_2\text{ and }T_2 are final volume and temperature of the gas

  • <u>For A:</u>

V_1=1.0L\\T_1=295K\\V_2=1.3L\\T_2=AK

Putting values in equation 1, we get:

\frac{1.0L}{295K}=\frac{1.3L}{A}\\\\A=383.5K\approx 3.8\times 10^2K

Whenever multiplication and division are involved, the answer must not contain, more number of significant figures as there are in the least precise term.

Hence, the value of A is 3.8\times 10^2K

  • <u>For B:</u>

V_1=1.0L\\T_1=295K\\V_2=BL\\T_2=250K

Putting values in equation 1, we get:

\frac{1.0L}{295K}=\frac{B}{250K}\\\\B=0.84L

Hence, the value of B is 0.84L

  • <u>For C:</u>

V_1=1.0L\\T_1=295K\\V_2=CL\\T_2=325K

Putting values in equation 1, we get:

\frac{1.0L}{295K}=\frac{C}{325K}\\\\C=1.1L

Hence, the value of C is 1.1L

  • <u>For D:</u>

V_1=1.0L\\T_1=295K\\V_2=0.75L\\T_2=DK

Putting values in equation 1, we get:

\frac{1.0L}{295K}=\frac{0.75L}{D}\\\\D=221.25\approx 2.2\times 10^2K

Hence, the value of D is 2.2\times 10^2K

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3 years ago
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