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77julia77 [94]
3 years ago
15

Anyone know how to do this?

Chemistry
1 answer:
castortr0y [4]3 years ago
4 0

Answer:

nah

Explanation:

just ignore this for now I don't know but it wants me to answer stuff

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Some COCl2 is placed in a sealed flask and heated to 756 K. When equilibrium is reached, the flask is found to contain COCl2 (7.
o-na [289]

Answer:

9.044\times 10^{-3} is the value of the equilibrium constant for this reaction at 756 K.

Explanation:

COCl_2\rightleftharpoons CO+Cl_2

Equilibrium concentration of COCl_2

[COCl_2]=7.40\times 10^{-4} M

Equilibrium concentration of CO

[CO]=3.76\times 10^{-2} M

Equilibrium concentration of Cl_2

[Cl_2]=1.78\times 10^{-4} M

The expression of an equilibrium constant can be written as;

K_c=\frac{[CO][Cl_2]}{[COCl_2]}

=\frac{3.76\times 10^{-2}\times 1.78\times 10^{-4}}{7.40\times 10^{-4}}

K_c=9.044\times 10^{-3}

9.044\times 10^{-3} is the value of the equilibrium constant for this reaction at 756 K.

5 0
3 years ago
Many different processes, both natural and human-caused, can release carbon dioxide into the atmosphere. Which of the following
inn [45]

Answer:

carbon dioxide is added to the atmosphere naturally when organisms respire or decompose,  

Explanation:

5 0
3 years ago
Read 2 more answers
During a phase change, such as melting or boiling, the kinetic energy __. Highlight correct answer
Pepsi [2]

Answer: During a phase change, such as melting or boiling, the kinetic energy increases.

Explanation:

Kinetic energy is the energy obtained by the molecules of a substance due to their motion.

When phase change such as melting or boiling takes place then it means heat is absorbed by the substance. As a result, their molecules more even more rapidly from one place to another due to which more number of collisions take place.

Hence, a change in phase of substance occurs as kinetic energy increases in melting or boiling process.

Thus, we can conclude that during a phase change, such as melting or boiling, the kinetic energy increases.

4 0
3 years ago
What kind of scientist would study the the first of a car running
iVinArrow [24]

Answer:

A physicist

Explanation:

hope this will help you

7 0
3 years ago
35. Explain what the Triple Point is and why the Triple
Lady_Fox [76]

Answer:

In thermodynamics, the triple point of a substance is the temperature and pressure at which the three phases of that substance coexist in thermodynamic equilibrium. It is that temperatureand pressure at which the sublimation curve, fusion curve and vaporisation curve meet.

7 0
2 years ago
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