(a) Which of the following cannot leave or enter a closed system:heat, work, or matter? (b) Which cannot leave or enteran isolated system? (c) What do we call the part of the universethat is not part of the system?

Q: The change in intternal energy of a closed system is entirely deependent on heat exchanged. Select…

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Q: 6) OH- heat ?

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Q: Which of (i) pressure, (ii) temperature, (iii) work, (iv) enthalpy are state functions?

A: A state function is used to describe the state of equilibrium established in a system. The state…

Q: (a) What is the specific heat of liquid water? (b) What is themolar heat capacity of liquid water?…

A: Since we only answer up to 3 sub-parts, we'll answer the first 3. Please resubmit the question and…

Q: When 1.93 g of NaCl are added to 114 g of water in a constant pressure calorimeter, the temperature…

A: Heat absorbed by solution is calculated as Q = m×c×∆Twherem= mass of solutionc = specific heat…

Q: standard enthalphy change (AH")

A: Apply this formula

Q: Solid carbon–C(s, graphite), gaseous hydrogen–H2(g), and thesugar glucose–C6H12O6(s) are all burned…

A: The standard reaction enthalpy is the sum of the standard enthalpies of the intermediate reactions…

Q: If 7.92x10^4 of heat are required to raise the temp of 220.3 g of a substance from 332K to 442K what…

A: Amount of heat = 7.92 × 104 Joule Mass of substance = 220.3 gram Initial Temperature, T1 = 332K…

Q: The amount of heat (q) gained or lost by a substance (with mass m) as its temperature changes (ΔT)…

A: The amount of heat (q) gained or lost by a substance (with mass m) as its temperature changes (ΔT)…

Q: How is part e completed?

A: The dissolved number of moles of NaNO3 is 0.0118 mol. The magnitude of enthalpy of solution (ΔHsoln)…

Q: At very low temperature, the specific heat of rock salt varies with temperature according 3 to the…

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Q: (a) What is meant by the term state function? (b) Give an exampleof a quantity that is a state…

A: The state of a system is described by certain variables such as pressure, volume, temperature and…

Q: In the laboratory a general chemistry student finds that when 0.73 g of KOH(s) are dissolved in…

A: The given mass of KOH = 0.73 g The given mass of water = 100.40g Total mass of the solution (m) =…

Q: The heat of combustion for one mole of carbon is 394kJ, C(s)+O₂(g) + CO₂(g). How much heat would be…

A: Given information: Heat released during combustion of 1 mole of carbon is 394 kJ. The chemical…

Q: Explain the meaning of enthalpyand enthalpy change in chemicalreactions and processes

A: Thermodynamics is a branch of science which deals with the study of heat, motion of heat, energy,…

Q: The heat of combustion of ethane C2H6 (M= 30.08 g/mol) is 1560 kJ/mol. What is the heat combustion…

A: Solution- The molar mass of Ethane = 30g/mole The heat of combustion of ethane = 1560kJ/mole

Q: su 1) NaOHH,O, heat C,H,4 2) PhMgCI, THE 3) conc. H,SO,

A: We have given 1,4 diketone compound reaction with 1.NaOH /H2O ,Heat 2. PhMgCl,THF 3. Conc.H2SO4

Q: A student perfroms a reaction adn determnes the enthalpy change to be 31.4 kj will the temperature…

A: Since the enthalpy of reaction if +ve, means that the heat is consumed in the reaction. And since…

Q: A 1.69 g of NaCl are added to 111 g of water in a constant pressure calorimeter, the temperature of…

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Q: When a solid dissolves in water, heat may be evolved or absorbed. The heat of dissolution…

A: Given: Mass of NaClO4 dissolved = 9.98 g. Mass of water = 100.90 g. Initial temperature of solution…

Q: he gross heat of combustion for ethyl alcohol (C2H5OH) is -1,370 kJ/mol. What is its standard…

A: Solution -

Q: To determine the specific heat of a newly created, highly conducting material, a 704.8 mg sample of…

A: Mass of sample = 704.8 mg  Heat supply = 35.548  J  Initial temperature = 297.05 k  Final…

Q: Sodium chloride is added in cooking to enhance the flavor of food. V\lnen10.00 g of NaCl are…

A: It  involves usage of calorimetry technique to calculate enthalpy change for the reaction.…

Q: tion (qsoln) if the mass of solution is 45.6 g, specific heat is 3.98 J/g C, and on (grxn) for the…

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Q: When 1.96 g of NaCl are added to 111 g of water in a constant pressure calorimeter , the temp of…

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Q: How does the thermochemical equation S (s) + O2 (g) - SO2 (g), AH = -296 kJ, need to be modified to…

A: Enthalpy (∆H) is a property which is the sum of systems internal energy and the product of it's…

Q: What processes occur when the LiCl is dissolved?  Explain which of these processes involves a larger…

A: According to question  , answer is given in below image

Q: A gas is confined to a cylinder under constant atmosphericpressure, as illustrated in Figure 5.4.…

A: According to the first law of thermodynamics, The total internal energy (∆E) of a system is equal to…

Q: When the fuel mixture contained in a 1.56 L tank, stored at 754 mmHg and 298 K, undergoes complete…

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Q: Write the thermochemical equation of one mole of nitrogen gas, N2 reacts with oxygen gas, O2, two…

A: The thermochemical equation has to be given.

Q: When 2.35 g of NaCl are added to 111 g of water in a constant pressure calorimeter, the temperature…

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Q: which point/s identify the property of the final state of the system?

A: 2 represents the final state of system. For points which are explaining the state 2 willbe finale…

Q: You are given 2 kg of water (roughly 2 liters) and a 2 kg piece of silver both at room temperature.…

A: Heat transfer or heat capacity

Q: (a) Under what condition will the enthalpy change of aprocess equal the amount of heat transferred…

A: a. We consider the first law of thermodynamics that says deltaE = q+w now here the q and w would be…

Q: The standard enthalpy of formation of liquid water AH,° is -285.9 kJ/mole. Write the balanced…

A: Given: The standard enthalpy of formation of liquid water is -285.9 KJ/mol.

Q: The heat of solution of potassium acetate in water is -15.3 kJ/mol KCH3COO. What will be the final…

A: The heat of a solution can be expressed by the following formula Q=mC∆TQ=heatm=massC=heat…

Q: In an isolated system 1000 J of heat is added to an ideal monatomic gas, while the gas performs 500…

A: From data Q= +1000J (positive as it is positive in case of heat is added to system as per chemistry…

Q: Write the thermochemical equatipn of formatipn of carbon dioxide gas from Carbon (garphite) and…

A: A thermochemical equation is defined as a chemical reaction in which the enthalpy of the reaction is…

Q: lgs everything else). e system (the part you are studyml (reaut nsi ost systems we are interested in…

A: A reaction which occurs when the temperature of the system increases due to release of heat is known…

Q: When 1 g of material X(molar mass= 40/g/mol) was dissolved in a beaker containing 35.0 ml of 1 M HCI…

A: The question is based on the concept of specific heat capacity.   it is defined as the amount of…

Q: 9. The amount of energy in form of heat needed to raise its temperature by 1 degree celcius of 1g of…

A: Heat capacity: It is the parameter that is used to determine the amount of energy required when…

Q: What is ASsurr (in J/K) if AHsys is -27.2 kJ and T is 294 K?

A: Given, ∆Hsys = -27.2 kJ = -27200 J T = 294 K  So ∆Ssys = ∆Hsys/T = -27200 J/294K = -92.5 J/K

Q: A student reacted 49.3 mL of 1.0 M HCl at 20.0°C with 48.7 mL of 1.5 M NaOH at 22.0°C, after the…

A: When HCl is reacted with NaOH, neutralisation reaction takes place and NaCl and H2O will be…

Q: 127 J of work to the s. What is the chang rgy of the system?

A: According to the question, a system releases 235 J of heat while performing 127 J of work to the…

Q: The combustion of how many moles of ethane (C2H6) would be required to heat 561 g of water from…

A: