Use Hess's Law and the following information to calculate the change in enthalpy for the reaction 2C + H2 -> C2H2? How do you use Hess's law to find the enthalpy of reaction for these …

So you want the enthalpy of combustion of ethane? I make it #DeltaH_"combustion"^@=-1569.5*kJ*mol^-1#

How do you calculate the energy change of reaction for the following reaction? When electricity is produced from coal, the chemical energy in coal is first changed to what type of energy? This …

6 ml of an ideal gas is at a temperature of 250 K. What temperature is required to produce a volume of 9 ml at constant pressure ? Where does reduction occur in a galvanic cell? What is …

What is the activation energy for the reverse reaction in terms of the activation energy of the forward reaction and the enthalpy of reaction? Draw it out for an endothermic reaction.

Using the data given, the heat of combustion would be 308 kJ/mol. To calculate the heat of combustion, you must determine the amount of heat energy released and divide by the …

How do we quantify the strength of ionic bonding? How do you write the total ionic equation and net ionic equation for the reaction of silver nitrate and potassium chloride? How do you use the …

The particle p is released from rest at the top of a smooth plane inclined at angle a where sina=16/65.the distance travelled by P from top to bottom is S metres and speed of P at …

Mar 29, 2017 · About enthalpy, it's a type of potential energy based on position or length of the bonds and crystal structure and all that. It's kind of an abstract concept, so hopefully this …

Apr 7, 2018 · You mean the reverse of say a combustion reaction? CH_4(g) + 2O_2(g) rarr CO_2(g) + 2H_2O(g) + 890*kJ This is the standard combustion reaction. Now, ordinarily, …