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The energy change when reactants are converted to products in a chemical reaction is?
The energy change when reactants are converted to products in a chemical reaction is known as the enthalpy change (∆H). It represents the difference in energy between the products and reactants. Depending on whether energy is released or absorbed during the reaction, the ∆H value can be negative (exothermic) or positive (endothermic).
What are three things that chemical equations can tell you about a chemical reaction?
A chemical equation tells you what substances are reacting, what substances are produced and, in a balanced equation, provides the coefficients to tell us in what ratio the substances react or are produced.
What does the word product mean in a chemical reation?
It means "make." For instance, if hydrogen and oxygen react together, they produce, or make, water.When talking about a chemical reaction, there are reactants, which are the things that go INTO the reaction, and there are products, which are the things that COME OUT. The products are produced in the reaction from the reactant.See the Related Questions links to the left of this answer for more about chemical reactions.
What role does a reactant play in a chemical reaction?
Reactants is what the substances used in a chemical reaction are called. For example when burning hydrogen the reactants oxygen (O2) and hydrogen (H2) form the product water (H2O).
How is the total sum of the mass of products and reactant related?
The total sum of the mass of products equals the total sum of the mass of reactants in a chemical reaction, according to the law of conservation of mass. This law states that matter is neither created nor destroyed in a chemical reaction, so the total mass remains constant.
How are the terns reactant product and chemical reaction related?
In a chemical reaction, reactants are the substances that undergo a change to form products. Reactants are written on the left side of a chemical equation, while products are written on the right side. The chemical reaction is the process by which reactants are transformed into products through the breaking and forming of chemical bonds.
How are reactants and products related?
they both involve important things
How are the words reactant product chemical reaction and catalyst related?
Reactants: the initial substances in a chemical reaction Products: the final substances in a chemical reaction Catalyst: a stimulator of a chemical reaction, not directly involved in the reaction, remain unchanged
The energy change when reactants are converted to products in a chemical reaction is?
The energy change when reactants are converted to products in a chemical reaction is known as the enthalpy change (∆H). It represents the difference in energy between the products and reactants. Depending on whether energy is released or absorbed during the reaction, the ∆H value can be negative (exothermic) or positive (endothermic).
What are three things that chemical equations can tell you about a chemical reaction?
A chemical equation tells you what substances are reacting, what substances are produced and, in a balanced equation, provides the coefficients to tell us in what ratio the substances react or are produced.
How is the enthalpy of reaction related to the enthalpies of formation for the products and reactants?
The difference between the enthalpy of formation of the products minus the enthalpy of formation of the reactants is the enthalpy of the reaction
What is true about matter during a chemical reaction the mass of the reactions is not related to the mass of the prroduct?
No. In a closed system, the mass of the products should equal the mass of the reactants.
What is the relationship between the equilibrium partial pressure and the equilibrium constant Kp in a chemical reaction?
The equilibrium partial pressure of gases in a chemical reaction is directly related to the equilibrium constant Kp. The equilibrium constant Kp is a measure of the ratio of the concentrations of products to reactants at equilibrium, and it is determined by the stoichiometry of the reaction. The equilibrium partial pressure of a gas is related to the concentrations of the gases in the reaction through the ideal gas law. The relationship between the equilibrium partial pressure and the equilibrium constant Kp is given by the expression: Kp (P(products)m) / (P(reactants)n), where m and n are the coefficients of the products and reactants in the balanced chemical equation.
How is Hf related to the H of a reaction?
The Hreaction is the difference between Hf, products and Hf, reactants
What does the word product mean in a chemical reation?
It means "make." For instance, if hydrogen and oxygen react together, they produce, or make, water.When talking about a chemical reaction, there are reactants, which are the things that go INTO the reaction, and there are products, which are the things that COME OUT. The products are produced in the reaction from the reactant.See the Related Questions links to the left of this answer for more about chemical reactions.
How is the H related to the H of a reaction?
The h reaction is the difference between Hf products and Hf reactants - apex
How is delta hf related to the delta h of the reaction?
The standard enthalpy change of a reaction (delta H) is related to the standard enthalpy of formation (delta Hf) of the products and reactants involved in the reaction by the equation: delta H = Σ(Products delta Hf) - Σ(Reactants delta Hf). This equation relates the enthalpy change of a reaction to the enthalpies of formation of the substances involved in the reaction.
