The amount of heat evolved or absorbed in the chemical reaction is the same no matter the reaction takes place in one step or several steps" in the statement of?

• First law of thermodynamics
• Law of mass action
• Raoult's law
• Hess's law

Related MCQs

• The heat evolved or absorbed during a chemical reaction is known as ______?
• Enthalpy of reaction is same whether the reactions takes place in one or several steps. This is known as?
• A chemical reaction that involves heat or light to their surrounding is called exothermic reaction. Which one of the following is not exothermic reaction?
• The elimination reaction between alkyl halides and strong base takes place by two mechanisms, E1 and E2. How many steps are involved in each one of these?
• An endothermic reaction is a chemical reaction that absorbs energy from its surroundings, usually in the form of heat. Which of the following reactions is endothermic?
• If heat is evolved in the reaction the process is said to be ______?
• A reaction in which heat energy is absorbed or taken into the system is called __________?
• Formation of heat in a chemical reaction is called?
• Newton's third law of motion states that for every action, there is an equal and opposite reaction. Which of the following statements can be inferred from the above-mentioned law of motion? Statement 1: For every interaction, there is a pair of forces acting on the two interacting objects., Statement 2: The magnitude of the force on the first object equal the magnitude of the force on the second object., Statement 3: Forces always comes in pairs - equal and opposite action reaction force pairs., Statement 4: Action and its reaction act on two same bodies., Statement 5: Action and its reaction act on two different bodies.
• Chemical change takes place only when matter changes to become entirely different kind of matter. Which one of the following is not a chemical change?