Define the term State Changes?

Q: 6. Which law of thermodynamics can be rephrased to state that energy cannot be created or destroyed?…

A: Answer

Q: State the first law of thermodynamics. What are its implications?

A: Given: First law of thermodynamics and its implications

Q: A 8.79 g sample of an unknown salt (MM = 116.82 g/mol) is dissolved in 150.00 g water in a coffee…

A: “Since you have posted a question with multiple sub-parts, we will solve first three sub-parts for…

Q: In an exothermic reaction:

A: In an exothermic reaction, bonds break and new bonds are formed; electrons and protons move from a…

Q: Which of the following is a state function? O Pressure O Volume O Temperature All the above

A: State functions having property which depends on the initial and final state of the system, does not…

Q: is the amount of heat required to increase the temperature by 1.0 °C of a 1.0 g substance. O…

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Q: Define the term Heat Capacity?

A: Concept introduction: Heat is arises by difference in the temperature of an object and it is also a…

Q: Define chemical energy

A: Define chemical energy

Q: If a reaction takes place in a water-based calorimeter and the temperature of the water increases,…

A: given  water bases calorimeter Temperature of water is increasing Nature of Reaction = To be…

Q: A chemical reaction shifts left upon heating. What does that tell you about the enthalpy of…

A: If reaction is endothermic heat is required to form product and reaction is written as Reactant +…

Q: how to write the enthalpy cycle?

A: The previous answer has shown all the necessary calculations and enthalpy changes.  In case you want…

Q: Exothermic reactions release energy in the form of heat and work. At the molecular lever, which does…

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Q: Which of the following is not necessary to state of a chemical system? a) colour b) composition c)…

A: The state of a chemical system is defined in terms of some variables like pressure , temperature ,…

Q: b) If that heat came from cooling a 1.361 kg lump of iron, what was the initial temperature of the…

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Q: state and explain the first law of thermodynamics.

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Q: (ii) the maximum energy that can be made available for work due to the process.

A: Given: Moles of gas = 100 Initial volume = 2m3 Final volume = 5m3 Temperature  = 280 K Constants, a…

Q: An automobile engine provides 549 joules of work to push the pistons. In the process the internal…

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Q: What is meant by the specific heat capacity of an object

A: To define the specific heat capacity of an object.

Q: Which change is more likely to happen spontaneously: (a) Endothermic Change or (b) Exothermic…

A: Given: endothermic and exothermic change. To find: the change which is more likely to happen…

Q: What process is represented by the equation H + H →He + energy?

A: Nomenclature of coordination compounds can be done by following some rules. In this case cation is…

Q: Define calorie (cal)

A: The calorie is a unit of energy defined as the amount of heat needed to raise a quantity of water by…

Q: What quantity of energy is needed to heat a 1.00 mole sample of H2O ‍ from  -30.0 degrees C to 140.0…

A: Since in heating H2O ‍from -30 0C to 140 0C following steps will happen 1) Heating of ice from -30…

Q: What do you mean by Enthalpy and Entropy ?

A: Enthalpy for the reaction is the energy, generally in the form of heat, which is required in case of…

Q: Why is it important to keep the lid of the "coffee cup" calorimeter on during the reaction? O So the…

A: Calorimeter is used to measure the heat energy of the system. If the system gets disturbed again and…

Q: What is the first law of thermodynamics and how does it relate to energy use?<

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Q: Define the term Thermodynamics?

A: The word thermodynamics is a combination of two words ; thermo and dynamics. The meaning of thermo…

Q: State the second law of thermodynamics. How does the second law explain why heat travels from a…

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Q: What is the heat of formation of chromium (III) oxide

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Q: Describe the different types of thermochemical reactions.Give theoretical and practical (in lab)…

A: SOLUTION: Step 1: The reactions which occurs by the absorption or evolution of heat are called as…

Q: What is a state function? List some examples of state functions.

A: Introduction: State function and Path function: Thermodynamic parameters whose value depends only on…

Q: What is the energy of the reactants?

A: The energy of reactants is defines as the energy of the reaction at time zero.

Q: What is the relationship between the two? Which is more stable in terms of thermodynamics, why?

A: The given compounds are the isomers of decalin. The first compound is the trans decalin and The…

Q: State the second law of thermodynamics. How does the second law explain why heat travels from a…

A: To be precise second law of thermodynamics is about entropy, it states that the entropy of an…

Q: The second law of thermodynamics states

A: Thermodynamics is the branch of chemistry which helps to indicate the feasibility of a chemical…

Q: does adding temperature to a chemical reaction favor the reaction endothermically?

A: For an endothermic reaction (positive ), the increase in temperature favors the consumption of heat…

Q: Explain An endothermic reaction ?

A: The endothermic reaction has to be explained.

Q: When the sign of an energy change is being determined, this would always be with respect to what?

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Q: Based on the following reaction: Sb (s) + 3/2 Cl2 (g) → SbCl3 (g) AH = -314 kJ How much heat would…

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Q: The third law of thermodynamics states that

A: first law of thermodynamics  ∆E =Q+ W Second law of thermodynamics  ∆S=∆ system +∆ surroundings…

Q: What are the two factors that determine the change in energy of a system? O heat and temperature O…

A: By the first law of thermodynamics, The change in energy of a system equals the net heat transfer…

Q: heat

A: Organic reaction are those in which organic reactant react to form organic products.

Q: An automobile engine provides 585 Joules of work to push the pistons. In this process the internal…

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Q: What is melting and boiling point formula in thermodynamics?

A: Answer - Thermodynamic - Thermodynamics is a branch of physics that studies the movement of heat…

Q: What does a high calorimeter constant indicate? What happens to the calorimeter constant if there is…

A: The "calorimeter constant" is just the specific heat of the calorimeter and its thermal…

Q: Compare balls A and B in terms of potential energy in both the initial and final setups. * -Held in…

A: Given,