How does the atomic structure of carbon allow it to form many different molecules?
Carbon is the only element that can form so many different compounds because each carbon atom can form four chemical bonds to other atoms, and because the carbon atom is just the right, small size to fit in comfortably as parts of very large molecules. They can even join “head-to-tail” to make rings of carbon atoms.
What is the difference between an organic compound and an inorganic compound quizlet?
What is the difference between organic and inorganic molecules? Organic molecules contain carbon and hydrogen, tend to be larger, have covalent bonds, and are non-electrolytes. Inorganic molecules consist of any substance that can’t be classified as organic.
What are the reactants and products of the forward left to right reaction?
What are the reactants and products of the forward (left-to-right) reaction? Glucose and Fructose are the reactants. Sucrose and Water are the products.
How do you know if a product is reactant or favored?
The answer that they are looking for is either K tells you that the products are favored or the reactants are favored. If the products are favored then K will be a number larger than 1….VIDEO Products or Reactants Favored Examples 1 .
|K = 10 =
||[ 10 ]
|K = 1 / 20 =
||[ 2 ]
||[ 40 ]
What does it mean when a reaction is favored?
The term “favored” means that side of the equation has higher numbers of moles and higher concentrations than the other.
How can you tell if a reaction is endothermic or exothermic?
So if the sum of the enthalpies of the reactants is greater than the products, the reaction will be exothermic. If the products side has a larger enthalpy, the reaction is endothermic. You may wonder why endothermic reactions, which soak up energy or enthalpy from the environment, even happen.
Which side of equilibrium is favored pKa?
If you know the pKa values of the two acids on both sides of the equation, then you know in which direction the equilibrium lies, because equilibrium will favor the side with the acid that has the highest pKa.
How do you know where equilibrium lies without pKa?
You can also predict the acid-base reaction without having the pKa values. Remember, in the beginning, we said that the position of equilibrium is always on the side of a weaker acid and a weaker base. Therefore, you can compare the base and the conjugate base instead of comparing the acid and the conjugate acid.
How do you know the direction of equilibrium?
Q can be used to determine which direction a reaction will shift to reach equilibrium. If K > Q, a reaction will proceed forward, converting reactants into products. If K < Q, the reaction will proceed in the reverse direction, converting products into reactants. If Q = K then the system is already at equilibrium.
How do you know if equilibrium lies to the left or right?
We compare Q and K to determine which direction the reaction will proceed to obtain equilibrium. If Q is greater than K, the system will shift to the left. If Q is less than K, the system will shift to the right. If Q is equal to K than the system is already at equilibrium so it will not shift in either direction.
What does it mean if the equilibrium lies to the left?
Yes, “to the left” refers to the left side of an equilibrium expression. When we talk about equilibrium lying “to the left”, it means that the educt/reactant is favored, i.e. more H2O than H3O+ or OH−.
What causes equilibrium to shift to the right?
Changes in Concentration According to Le Chatelier’s principle, adding additional reactant to a system will shift the equilibrium to the right, towards the side of the products. By the same logic, reducing the concentration of any product will also shift equilibrium to the right.
What does it mean when the position of equilibrium lies to the right?
If one of the products is removed from a reaction (on the right), then the position of equilibrium moves to the right to make more of that product.
Can the position of equilibrium be changed?
The position of equilibrium may be changed if you change the pressure. That means that if you increase the pressure, the position of equilibrium will move in such a way as to decrease the pressure again – if that is possible. It can do this by favouring the reaction which produces the fewer molecules.
What affects the position of equilibrium?
The equilibrium position can be changed by adjusting: the concentrations of reactants. the pressure of reacting gases. the temperature at which the process takes place.
What does the position of equilibrium mean?
the equilibrium position: The point in a chemical reaction at which the concentrations of reactants and products are no longer changing.
How many equilibrium positions are there?
There are infinitely many different equilibrium positions that satisfy K. We could have [B]=20 M and [A]=0.1 M. Or we could have [B]=1 M and [A]=0.005 M. Those are two different equilibrium positions that are both at equilibrium.
What will happen if you remove a reactant from an equilibrium system?
Chemical equilibria can be shifted by changing the conditions that the system experiences. When additional product is added, the equilibrium shifts to reactants to reduce the stress. If reactant or product is removed, the equilibrium shifts to make more reactant or product, respectively, to make up for the loss.
What happens to equilibrium when volume is increased?
Because there are more moles of reactants, an increase in volume will shift the equilibrium to the left in order to favor the reactants. In this case, there are fewer moles of reactants and so the equilibrium will favor the reactants and shift to the left.
What is the relationship between volume and concentration?
The relationship between two solutions with the same amount of moles of solute can be represented by the formula c1V1 = c2V2, where c is concentration and V is volume.
What happens to volume when pressure increases?
Boyle found that when the pressure of gas at a constant temperature is increased, the volume of the gas decreases. this relationship between pressure and volume is called Boyle’s law. So, at constant temperature, the answer to your answer is: the volume decreases in the same ratio as the ratio of pressure increases.
Does increasing volume increase concentration?
The addition of a gaseous reaction component at constant volume necessarily leads to an increase in the concentration of that component, while the effect of that addition at constant pressure may depend on whether or not other gases are present.
What happens to volume when temperature increases?
The volume of the gas increases as the temperature increases. As temperature increases, the molecules of the gas have more kinetic energy. They strike the surface of the container with more force. If the container can expand, then the volume increases until the pressure returns to its original value.
How do you increase concentration of reactants?
You can increase rate of reaction by:
- Altering Surface area of a solid reactant.
- Alteing Temperature (depends on Endothermic/Exothermic reactions)
- Adding a catalyst.
- Increaing Concentration( For gaseous reaction altering pressure or volume )
What happens to concentration when temperature increases?
An increase in temperature caused the concentration of the product to decrease and the concentrations of the reactants to increase. This means that the reverse reaction has been favoured. An increase in temperature will favour the reaction that takes heat in and cools the reaction vessel (endothermic).
What increases as temperature increases?
As the temperature increases, the average kinetic energy increases as does the velocity of the gas particles hitting the walls of the container. The force exerted by the particles per unit of area on the container is the pressure, so as the temperature increases the pressure must also increase.
Does increasing temperature increase equilibrium constant?
Increasing the temperature decreases the value of the equilibrium constant. If you increase the temperature, the position of equilibrium will move in such a way as to reduce the temperature again. It will do that by favoring the reaction which absorbs heat.