-5 At − 13.0 °C the concentration equilibrium constant K =8.8 × 10 с Here are some facts about the reaction: • The reaction is endothermic. • The net change in moles of gases is 2. • Some of the reactants are liquids and solids. Using these facts, can you calculate Kat -29. °C? If you said yes, then enter your answer at right. Round it to 2 significant digits. If you said no, can you at least decide whether K at -29. °℃ will be bigger or smaller than Kat - 13.0 °C? for a certain reaction. O Yes. No. 0 Yes, and K will be bigger. Yes, and K will be smaller. No.

Chemistry: Principles and Reactions
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Chapter16: Spontaneity Of Reaction
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At - 13.0 °C the concentration equilibrium constant K
Here are some facts about the reaction:
• The reaction is endothermic.
• The net change in moles of gases is 2.
• Some of the reactants are liquids and solids.
-5
= 8.8 × 10 for a certain reaction.
Using these facts, can you calculate Kat -29. °C?
If you said yes, then enter your answer at right. Round it
to 2 significant digits.
If you said no, can you at least decide whether K at
-29. °℃ will be bigger or smaller than Kat - 13.0 °C?
Yes.
No.
0
с
Yes, and K will be
bigger.
Yes, and K will be
с
smaller.
No.
Transcribed Image Text:At - 13.0 °C the concentration equilibrium constant K Here are some facts about the reaction: • The reaction is endothermic. • The net change in moles of gases is 2. • Some of the reactants are liquids and solids. -5 = 8.8 × 10 for a certain reaction. Using these facts, can you calculate Kat -29. °C? If you said yes, then enter your answer at right. Round it to 2 significant digits. If you said no, can you at least decide whether K at -29. °℃ will be bigger or smaller than Kat - 13.0 °C? Yes. No. 0 с Yes, and K will be bigger. Yes, and K will be с smaller. No.
Consider the following equilibrium:
AG = - 41. kJ
2NO (g) + Cl₂ (g) — 2NOC1 (g)
Now suppose a reaction vessel is filled with 6.99 atm of chlorine (C1₂) and 1.79 atm of nitrosyl chloride (NOC1) at 999. °C. Answer the following questions
about this system:
Under these conditions, will the pressure of NOCI tend to rise or fall?
Is it possible to reverse this tendency by adding NO?
In other words, if you said the pressure of NOCI will tend to rise, can
that be changed to a tendency to fall by adding NO? Similarly, if you said
the pressure of NOCI will tend to fall, can that be changed to a tendency
to rise by adding NO?
If you said the tendency can be reversed in the second question, calculate
the minimum pressure of NO needed to reverse it.
Round your answer to 2 significant digits.
оо
0
rise
fall
yes
no
atm
x10
×
Ś
Transcribed Image Text:Consider the following equilibrium: AG = - 41. kJ 2NO (g) + Cl₂ (g) — 2NOC1 (g) Now suppose a reaction vessel is filled with 6.99 atm of chlorine (C1₂) and 1.79 atm of nitrosyl chloride (NOC1) at 999. °C. Answer the following questions about this system: Under these conditions, will the pressure of NOCI tend to rise or fall? Is it possible to reverse this tendency by adding NO? In other words, if you said the pressure of NOCI will tend to rise, can that be changed to a tendency to fall by adding NO? Similarly, if you said the pressure of NOCI will tend to fall, can that be changed to a tendency to rise by adding NO? If you said the tendency can be reversed in the second question, calculate the minimum pressure of NO needed to reverse it. Round your answer to 2 significant digits. оо 0 rise fall yes no atm x10 × Ś
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