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What best describes the enthalpy of formation of a substance?
The energy change that happens when a substance forms from its elements (APEX)
What is the best definition of the enthalpy of formation Hf?
The enthalpy of formation (ΔHf) is the heat associated with the formation of one mole of a compound from its elements in their standard states. It represents the energy change when the compound is formed from its constituent elements under standard conditions.
Which energy profile best shows that the enthalpy of formation of CS2 is 89 4 KJ mol?
Graph D `WXM
What is the best definition of the enthalpy of a reaction?
The enthalpy of a reaction is the heat change that occurs during a chemical reaction at constant pressure. It represents the difference in energy between the products and reactants in the reaction.
What terms best describe as A clear mixture in which substance dissolves in water?
A solution is a clear mixture in which a substance dissolves in water.
What best describes the enthalpy of formation of a substance?
The energy change that happens when a substance forms from its elements (APEX)
What is the best definition of the enthalpy of formation Hf?
The enthalpy of formation (ΔHf) is the heat associated with the formation of one mole of a compound from its elements in their standard states. It represents the energy change when the compound is formed from its constituent elements under standard conditions.
which energy profile best shows that the enthalpy of formation of CS2 is 89.4 kJ/mol?
graph D
What best describe image formation by a plane mirror?
virtual
When heat is transferred to a substance describe why the temperature goes up?
The best answer is: Because heat has been transferred to the substance, and it now contains more of it.
Which energy profile best shows that the enthalpy of formation of CS2 is 89 4 KJ mol?
Graph D `WXM
What is the best definition of the enthalpy of a reaction?
The enthalpy of a reaction is the heat change that occurs during a chemical reaction at constant pressure. It represents the difference in energy between the products and reactants in the reaction.
What is the best definition of the enthalpy of reaction?
The enthalpy of reaction is the heat energy change that occurs in a chemical reaction at constant pressure. It is the difference between the sum of the enthalpies of the products and the sum of the enthalpies of the reactants.
What terms best describe as A clear mixture in which substance dissolves in water?
A solution is a clear mixture in which a substance dissolves in water.
What is the best definition of the change in enthalpy (h)?
The change in enthalpy (H) is the amount of heat energy absorbed or released by a system during a chemical reaction at constant pressure. It represents the difference in the total energy of the products and reactants.
Which term describe the difference in the concentrations of a substance across a cells membrane?
Tonicity best fits the single word you are looking for. One side is hypertonic and the other will be hypotonic.
Which term describe the difference in the concentrations of a substance across a cell's membrane?
Tonicity best fits the single word you are looking for. One side is hypertonic and the other will be hypotonic.
