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The internal energy of products minus the internal energy of reactants for complete combustion at specific temperature & pressure gives the internal energy of?
The internal energy of the combustion products is __________ compared to that of reactants.
Which of the following statements are correct when related to a thermodynamic system? Internal energy is a property Internal energy is path independent Internal energy is path-dependent Internal energy is the area under the PV curve
Which of the following are essential for a good combustion chamber of turbojet engine? 1. It should allow complete combustion of fuel. 2. It should maintain sufficiently high temperature in the zone of combustion in addition to proper atomization of fuel thus leading to continuous combustion. 3. It should not have high rate of combustion. 4. The pressure drop should be as small as possible
Which of the following statement(s) is/are true? A. An unbalanced chemical equation assumes the same number of atoms of different elements in the reactants and products. B. A balanced chemical equation assumes an unequal number of atoms of one or more elements in the reactants and products.
Which of the following statements is/are true? A. A balanced chemical equation has an equal number of atoms of different elements in the reactants and products. B. An unbalanced chemical equation has an unequal number of atoms of one or more elements in the reactants and products.
A stone has initial potential, kinetic and internal energy 7 J, 10 J and 2x J respectively, if the final kinetic energy, potential energy and internal energy are 5 J, 21 J and x respectively, what is the final internal energy?
Internal energy of combustion products is ______________ than that of reactants.
What is the heat of reaction if the heat of combustion of products is 10 J and heat of combustion of reactants is 5 J?
What is the heat of reaction if the heat of combustion of products is 10 J and heat of combustion of reactants is 15 J?