Answer Bank a burning match the reaction inside a chemical heat pack boiling water popcorn popping in a microwave oven burning rocket fuel

Q: What are the basic concepts of a calorimeter?

A: The basic concepts of a calorimeter should be written.

Q: Write the standard heat of combustion reaction of acetic acid (liquid)

A: Given  Reactant = Acetic acid  Standard heat of combustion reaction of acetic acid = ?

Q: Which sample will reach the lowest final temperature when all samples evolve 12.5 J of heat and all…

A: Since, Q =m.c.St WHERE Q = heat energy M =mass of metal C= specific heat of metal Triangle T =…

Q: if you spill some of the hydrochloric acids on the table during the reaction of hydrochloric acid…

A: The heat of neutralization: The amount of heat released by the reaction of one mole of an acid and…

Q: If the dissolution of a salt in water is an endothermic reaction, how will the temperature of the…

A: Endothermic reactions are one , which proceeds with absorption of heat. That  is reactants absorbs…

Q: Which is an example of an endothermic reaction

A: Endomthermic reaction is  a type of chemical reaction in which heat or thermal energy is absorbed by…

Q: What is the difference between an exothermic and an endothermic reaction?

A: An exothermic reaction is a chemical reaction  in which energy is released during the reaction.…

Q: energy threshold

A: Threshold Energy is the minimum energy that the molecules must have in order to bring about…

Q: Consider these reactions: Reaction 1: H2 (g) + Cl2 (g) → 2HC1(g) AH = -184.6 kJ Reaction 2: 20F2 (g)…

A: -> If ∆H =+ve => reaction is endothermic reaction. -> if ∆H = -ve => reaction is…

Q: Part N Which following statement(s) describes an endothermic reaction? 420 kJ of energy was consumed…

A: Endothermic reactions are those reactions that get completed by absorbing heat.

Q: 3. The density of water at 25 °C is 0.997 g/mL and the density of vegetable oil at this temperature…

A: Endothermic process: it is a thermodynamic process where the enthalpy (H) of the system icreases.…

Q: Which is NOT an example of an endothermic change?     melting      sublimation      freezing…

A: In Endothermic process heat is absorbed to perform that process.

Q: Use the References to access important values if needed for this question. When a solid dissolves in…

A: calculate the enthalpy of dissolution of CsCl(s) in kJ/mol.

Q: Which of the following statements DOES NOT correctly describe an EXOTHERMIC reaction? O q is…

A: Depending upon whether the system absorbs or gives energy during a reaction, the reaction is…

Q: Can you conclude that heat is always noticeably released in a chemical reaction?

A: Can you conclude that heat is always noticeably released in a chemical reaction?  answer of the…

Q: The combustion of fuels (coal, oil, gasoline) are exothermic reactions. Why?

A: The reason why combustion of fuels are exothermic has to be explained.

Q: If the potential energy of the product is less than that of the reactants, the reaction is…

A: If the potential energy of the product is less than that of the reactants, the reaction is…

Q: differentiate between exothermic and endothermic reactions

A:

Q: Describe the difference between potential energy and kinetic energy.

A: Kinetic energy is the energy which is present in any substance by virtue of its motion.  potential…

Q: Discuss the definition of the terms exothermic and endothermic. Give an example of an thermochemical…

A: The exothermic reaction is the reaction that releases heat. The heat of the reactant is higher than…

Q: The temperature is raised. Heat can be considered a reactant in an exothe reaction will shift to the…

A: In exothermic reaction heat is produced, means heat is released in product.so, heat can be…

Q: energy (J) A B I

A: EndothermicExplanation:

Q: how to know if a final reaction is endothermic or exothermic?

A: To know the final reaction is exothermic or endothermic.  1) Thermodynamic analysis :- For an…

Q: Assuming

A: Assuming constant pressure, rank these reactions from most energy released by the system to most…

Q: An reaction results when the energy released by the formation of products is greater than the energy…

A: Fill in the blanks with suitable answer--

Q: In endothermic reactions, heat is being absorbed and the internal energy of the system is…

A: Answer:Here:

Q: For exothermic reactions,the products have lower energy than reactants. explain why

A: The question is based on the concept of chemical thermodynamics. we have to explain why products…

Q: can you explain why energy must initially be consumed in an exothermic chemical reaction?

A: Exothermic reactions are those reactions which release energy in the surroundings due to the…

Q: If the dissolution of a salt in water is an endothermic reaction, how will the temperature of the…

A:

Q: If a process gives off 58 calories of heat but the internal energy of the system remains unchanged,…

A: Welcome to bartleby !  Introduction :  We have to tell kind of work and how much is involved .

Q: what happens to the energy absorbed during an endothermic reaction

A: Endothermic reactions are the reactions that absorb heat for a reaction to proceed in the forward…

Q: For exothermic reactions, the products have lower energy than the reactants.Explain why

A:

Q: When 5.325 g KCL dissolves in 100.0ml of water the temperature decreases from 24.1 c to 21.2 c.…

A: Given:Mass of KCl = 5.325 g.Volume of water =100.0 mLInitial temperature = 24 °CFinal temperature =…

Q: qmetal = -1710 J and qH2O = 1430 J.  ΔTH2O = 10.1 oC.  Calculate the calorimeter constant, Ccal in…

A:

Q: Identify each of the following reactions as endothermic or exothermic Exothermic Or Sign Reaction…

A: It is given that whether the reaction is endothermic or exothermic .