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Under what condition would pressure affect the reaction rate?

If the reaction occurs in the gas phase


What does the subscript r stand for in chemistry qr?

The subscript r in chemistry typically refers to a rate constant in a chemical reaction. It represents the rate at which a reaction occurs under specific conditions.


Under what conditions is G for a reaction always positive?

When H is positive and S is negative


What information does a chemical equation not provide?

A chemical equation does not provide information about the speed of the reaction, the physical state of the reactants and products, or the mechanism by which the reaction occurs. Additionally, it does not give information about the conditions under which the reaction is taking place, such as temperature, pressure, or catalysts.


What is the reaction of argon?

Argon is chemically inert and does not have any reaction under normal conditions.


What type of reaction occurs to fossils under pressure in the sediment?

Chimical


What are the limitations of the chemical equation?

Chemical equations do not provide information about the speed of a reaction, the conditions under which a reaction occurs, or the purity of the reactants. They also do not account for side reactions or variations in reaction pathways. Additionally, chemical equations do not indicate the physical state of reactants and products or the equilibrium state of a reaction.


When does an equilibrium occur?

An equilibrium occurs when the rate of the forward reaction equals the rate of the reverse reaction. This means that the concentrations of reactants and products remain constant over time. Equilibrium can only be reached in a closed system under certain conditions, such as constant temperature and pressure.


Why look for black precipitation in the butt instead of on the surface of an H2S test?

The black precipitate usually sink to the bottom which the reaction took place in. The reaction takes place at the bottom because it only occurs under anaerobic conditions, and it does not sink to the bottom as it only occurs at the bottom, not around oxygen at the top of the tube.


What is the chemical reaction of Bromine and Plutonium?

When bromine reacts with plutonium, it forms plutonium bromide. The chemical equation for the reaction is: 2Pu + 3Br2 → 2PuBr3. This reaction typically occurs under controlled laboratory conditions due to the high radioactivity of plutonium.


What is present after a chemical reaction?

That depends on the chemicals present before the chemical reaction and sometimes the conditions under which the chemical reaction occurred.


Reactions that can go in either direction under different circumstances?

The reaction between hydrogen and oxygen can either produce water (2H2 + O2 → 2H2O) or explode (2H2 + O2 → 2H2O + energy). It depends on factors such as the presence of a catalyst or the conditions (e.g., concentration, temperature) under which the reaction occurs.