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A reaction that absorbs heat.

C(s) + H2O(g) CO(g) + H2(g), ΔH = +115 kJ/mol

N2(g) + O2(g) 2NO(g), ΔH = +192.5 kJ/mol

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13y ago
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14y ago

When pressure decreases, the equilibrium will shift to the side with the least moles of gas. Like in the case of dissociation of ammonia, if the pressure is decreased to keep Kp constant, number of moles of gas should increase.

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Q: What way will the reaction shift in a decrease in temperature for an endothermic reaction?
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When a reaction is at equilibrium increasing the temperature favors the reaction that releases energy as heat.?

This is False!!! According to LeChatlier's Principle, increasing the temperature is a strees on the equilibrium. To relieve that stress the reaction will shift producing more of the substances on the side of the reaction that absorbs heat energy.


What will be effect if high temperature shift converter inlet temperature decrease?

If the temperature is less than the temoerature requ ired for reaction to proceed,higher co slip will result.Decreasing the inlet temperature to optimum inlet temperature will result in more conversion.


How does the temperature affect a reaction?

Increasing temperature affects a reaction in two ways: 1) at higher temperatures the molecules are moving around faster and collisions and reactions are more frequent, so the reaction - both forward and reverse - speed up. 2) at higher temperatures, the equilibrium state will shift. In some cases it will shift the equilibrium towards the product. In other cases, it will shift it back towards the reactants.


How can a chemical reaction shift toward the desired direction?

You can make it shift, by Le Chatliers principle. Or. By Reaction Quotient method and comparing it against the Equilibrium constant.


What makes the rpm decrease after a shift has occurred?

The gear ration changes at each shift. Read this: http://science.howstuffworks.com/gear-ratio.htm

Related questions

How will increasing the temperature affect the equilibrium?

It depends if the reaction is exothermic or endothermic. For example: If the reaction requires energy (endothermic), then energy (i.e. 100kJ) will be a reactant on the left-hand side. Then, use Le Chatelier's Principle from there. If you increase the temperature of the system in equilibrium, it will shift towards the product/right-hand side. If you decrease the temperature of the system, it will shift towards the reactants/left-hand side.


Is esterification exothermic or endothermic?

endothermic reaction. because as you may have seen, high temperatures are required to speed up the reaction. this is because, since the reaction in endothermic, high temperatures would cause the equilibrium to shift forward to decrease the temperature thus leading to the formation of more esters thereby speeding up the reaction (le chatelier's principle).


A chemical reaction that absorbs energy in the form of heat will?

Endothermic reaction


When a reaction is at equilibrium increasing the temperature favors the reaction that releases energy as heat.?

This is False!!! According to LeChatlier's Principle, increasing the temperature is a strees on the equilibrium. To relieve that stress the reaction will shift producing more of the substances on the side of the reaction that absorbs heat energy.


If the reaction gets hot is it an endothermic or an exothermic reaction?

The reverse reaction is not always endothermic or exothermic, the reverse reaction is the opposite of whatever the initial reaction is, so if the reaction is endothermic, the reverse reaction is exothermic and vise versa.


What will be effect if high temperature shift converter inlet temperature decrease?

If the temperature is less than the temoerature requ ired for reaction to proceed,higher co slip will result.Decreasing the inlet temperature to optimum inlet temperature will result in more conversion.


What happens to boiling water if you increase temperature?

evaporation This is the chemical reaction for water heating: H2O (liquid) + heat ---> H20 (gas) This is an endothermic reaction, meaning that by adding heat, it will shift the reaction towards the products, thus making more H2O gas. It is simply a phase change.


What piece of information will tell you which way the equilibrium of a reaction will shift due to a change in temperature?

The enthalpy of the reaction.


What are the shortcut key used to decrease a font size?

Ctrl + Shift Key + < will decrease font size.


How does the temperature affect a reaction?

Increasing temperature affects a reaction in two ways: 1) at higher temperatures the molecules are moving around faster and collisions and reactions are more frequent, so the reaction - both forward and reverse - speed up. 2) at higher temperatures, the equilibrium state will shift. In some cases it will shift the equilibrium towards the product. In other cases, it will shift it back towards the reactants.


How does increasing the temperature affect reaction?

Increasing temperature affects a reaction in two ways: 1) at higher temperatures the molecules are moving around faster and collisions and reactions are more frequent, so the reaction - both forward and reverse - speed up. 2) at higher temperatures, the equilibrium state will shift. In some cases it will shift the equilibrium towards the product. In other cases, it will shift it back towards the reactants.


How will decreasing the reactant concentration affect the reaction?

It depends on the order of the reaction. If it is zero order, decreasing the reactant concentration will have NO effect on the rate. If it is 1st or 2nd order (or more), then decreasing the concentration will DECREASE the reaction rate.