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What do standard conditions for a reaction mean?
The standard conditions under which you carry out a reaction are:Carried out at room temperature, 250CA concentration of 1 mol/L for solutions1 atmospheric pressureAll reactants and products must be in physical states that are expected in the above conditions.Standard conditions allow enthalpy changes of different reactions to be compared.
What is a substance that enables a chemical reaction to proceed under different conditions?
A catalyst is a substance that enables a chemical reaction to proceed under different conditions. It lowers the activation energy required for the reaction to occur, allowing it to happen more quickly or at a lower temperature or pressure. The catalyst itself remains unchanged in the reaction and can be reused multiple times.
What temperature is the reaction at equilibrium?
The temperature at which a reaction reaches equilibrium can vary depending on the specific reaction and its conditions. For some reactions, the temperature at equilibrium may be higher, while for others it may be lower. The equilibrium temperature is determined by the enthalpy change of the reaction and the equilibrium constant.
What 2 conditions might change the rate of an enzymatic reaction?
pH and temperature
How can the spontaneity of a reaction be reversed?
The spontaneity of a reaction can be reversed by changing the conditions such as temperature, pressure, or concentration of reactants, or by adding a catalyst.
How does temperature affect reaction rate hot?
The Hotter the temperature, the faster the particle moves. During the reaction, atoms transfer in different molecules (or compounds), therefore the temperature does affect the speed of the reaction.
What conditions will a low temperature make a reaction spontaneous?
if H and S are both negative
What happens to the temperature when the mass is increased in a chemical reaction involving magnesium and hydrochloric acid?
Increasing the mass of magnesium in a reaction with hydrochloric acid will not directly affect the temperature of the reaction. The temperature will be determined by the amount of heat released or absorbed during the reaction, which depends on the specific reaction and the initial conditions.
What is the physical state of C6H10 in the chemical equation?
The physical state of C6H10 in a chemical equation would depend on the specific context. Generally, C6H10 is a liquid at room temperature and pressure, however in a chemical reaction it could be in a different state based on the reaction conditions.
What 2 reaction conditions affect the position of equilibrium?
temperature, pressure (in the case of gases), concentration
Why does chemical reaction have many possible balanced equations?
Chemical reactions can have many possible balanced equations because there are various ways in which the reactant molecules can combine to form different products. Each combination may result in a different balanced equation depending on the stoichiometry of the reaction. Additionally, different conditions, such as temperature and pressure, can also affect the outcome of the reaction, resulting in different balanced equations.
What insights can be gained from analyzing pressure temperature graphs in the context of a chemical reaction?
Analyzing pressure-temperature graphs in the context of a chemical reaction can provide insights into the reaction's thermodynamic properties, such as changes in enthalpy and entropy. These graphs can help determine the reaction's equilibrium conditions, reaction rate, and the presence of any intermediate states. By studying these graphs, scientists can better understand the underlying mechanisms of the chemical reaction and optimize reaction conditions for desired outcomes.
