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C6H12O6(s) +6O2(g)----> 6CO2(g) + 6H2O (l)

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What is the energy change in burning ethanol?

if you were smart u would know that u just have to write TINECIBE. it meens there is no enargy change in it. it stays the same.


What is the standard molar enthalpy of formation for ammonium chloride aq?

The standard molar enthalpy of formation for ammonium chloride (NH4Cl) in aqueous solution is -314.4 kJ/mol. This value represents the energy change when 1 mole of NH4Cl is formed from its elements in their standard states at 25°C and 1 atm pressure.


What is the standard enthalpy of formation of hydrogen bromide?

[from wikipedia] The standard enthalpy of formation"standard heat of formation" of a compound is the change of enthalpy that accompanies the formation of 1 mole of a substance in its standard state from its constituent elements in their standard states (the most stable form of the element at 1 bar of pressure and the specified temperature, usually 298.15 K or 25 degrees Celsius). Its symbol is ΔHfO.


What is the enthalpy of formation of aqueous potassium chloride?

The enthalpy of formation of aqueous potassium chloride is approximately -436.1 kJ/mol. This value represents the energy change when 1 mole of potassium chloride is formed in its standard state from its elements in their standard states at 25°C and 1 atm.


What is the enthalpy and entropy change when ammonium chloride is dissolved in water?

When ammonium chloride dissolves in water, it absorbs energy from the surroundings, resulting in a positive enthalpy change (endothermic process). The dissolution also leads to an increase in disorder or randomness, resulting in a positive entropy change.

Related Questions

Why is water identical to the standard enthalpy change of combustion of hydrogen.?

Water is identical to the standard enthalpy change of combustion of hydrogen because the combustion of hydrogen involves its reaction with oxygen to form water. The standard enthalpy change of this reaction is defined by the energy released when hydrogen combusts completely, which results in the formation of water as a product. Thus, the formation of water from hydrogen and oxygen under standard conditions directly correlates to the enthalpy change associated with the combustion process. Hence, the enthalpy change for the formation of water from its elemental components is equivalent to the enthalpy change of hydrogen combustion.


What is the difference of enthalpy of formation and the enthalpy of combustion?

Enthalpy of combusion is energy change when reacting with oxygen. Enthalpy of formation is energy change when forming a compound. But some enthalpies can be equal.ex-Combusion of H2 and formation of H2O is equal


What do the symbols mean Delta Hr Hf Hc Hn Ha in chemistry btw i know theyre enthalpy changes?

delta Hr is the enthalphy change of a reaction delta Hf is the enthalpy of formation where one mole of a substance is formed ( generally in its naturally occurring physical state) delta Hc is the enthalpy of combustion where one mole of a substance in its standard state undergoes combustion delta Hn is the enthalpy of neutralization where one mole of H+ reacts with OH- to form one mole of H2O delta Ha is the enthalpy of atomization where a molecule splits to form its neutral atomic components


What is the enthalpy change to burn 37.5 g of ammonia?

The enthalpy change to burn 37.5 g of ammonia (NH3) can be calculated using the standard enthalpy of formation of ammonia and the balanced chemical equation for its combustion. The enthalpy change will depend on the specific conditions of the reaction, such as temperature and pressure.


What is the standard molar enthalpy change of combustion for coconut oil?

The standard molar enthalpy change of combustion for coconut oil is approximately -3,687 kJ/mol. This value represents the amount of heat released when one mole of coconut oil undergoes complete combustion in excess oxygen.


What is the relationship between the standard enthalpy of formation and the standard enthalpy of reaction in chemical reactions?

The standard enthalpy of formation is the energy change when one mole of a compound is formed from its elements in their standard states. The standard enthalpy of reaction is the energy change for a reaction under standard conditions. The relationship between the two is that the standard enthalpy of reaction is the sum of the standard enthalpies of formation of the products minus the sum of the standard enthalpies of formation of the reactants.


What is the standard enthalpy change of vaporization for CDDT?

The standard enthalpy change of vaporization for CDDT (Clotrityl chloride) is approximately 42 kJ/mol.


How do i get the heat of combustion of c25h52?

To calculate the heat of combustion of C25H52, you can use the standard enthalpies of formation for C25H52, CO2, and H2O. The heat of combustion is the difference in enthalpy between the products (CO2 and H2O) and the reactant (C25H52), which can be calculated using Hess's Law. Alternatively, you can look up the heat of combustion value for C25H52 in chemical databases or literature sources.


One gallon of isooctane has a mass of 2.6 kg What is the change in enthalpy for the combustion of one gallon of this compound?

The change in enthalpy for the combustion of one gallon of isooctane can be calculated using the heat of combustion for isooctane, which is -5470 kJ/kg. Given the mass of one gallon (2.6 kg), the change in enthalpy would be -5470 kJ/kg * 2.6 kg = -14222 kJ.


Why can't the enthalpy change of combustion of CO2 be measured?

The enthalpy change of combustion of CO2 cannot be measured directly because CO2 is already in its most stable form. In combustion reactions, compounds react with oxygen to form more stable products, releasing heat. Since CO2 is already at the end of the combustion process and cannot be further reacted to release more heat, its enthalpy change of combustion cannot be measured directly.


Why is the enthalpy change of combustion for methanol less negative than methane?

The combustion of methanol to form products of H2O and CO2 do not have as much of an energy change compared to methane and a result methanol releases less energy compared to methane. The more negative an enthalpy change is, the more heat it is going to release.


What is the standard enthalpy change for a reaction in kilojoules per mole (kJ/mol)?

The standard enthalpy change for a reaction is the amount of heat energy absorbed or released in kilojoules per mole (kJ/mol).