Q: examples of application of the second law of thermodynamics
A: According to the 2nd law of thermodynamics, the total entropy of any system will always either…
Q: A 60.0 mL sample of 1.0 M NaOH is mixed with 45.0 mL of 1.0 M H2SO4 in a large Styrofoam coffee cup;…
A: The heat given off by the neutralization reaction is equal to the heat absorbed by the solution and…
Q: 11. The mathematical equation that best defines the first law of thermodynamics is OA. AH = AU + pAV…
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Q: For a particular reaction at 25.0°C, ΔG°= 81.7 kJ and ΔH° = 76.3 kJ. What is ΔS° for this reaction,…
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Q: 5-Define these terms: system, surroundings, open system, closed system, isolated system, and the…
A: Thermodynamics is branch of science that deals with the relationship between heat and other forms of…
Q: 4. How much propane (in grams) wnuld have to be combusted to increase the temperature 300 mL of…
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Q: Consider the reaction B(s) + O2(g)→B2O3(s), AH = -1270kJ What will AH be for the reaction if it is…
A: Interpretation - To determine the ∆H for the reversed reaction. Concept- Enthalpy change for a…
Q: Using appendix C values, calculate the delta H for the following reactions:4NH3(g) + O2(g)…
A: The required reaction is given below.
Q: The value of G° at 141.0°C for the formation of phosphorous trichloride from its constituent…
A: Given: ∆H° = -720.5 kJ/mol ∆S° = -263.7 J/K = -0.2637 KJ/K Temperature (T) = 141.0°C = 141 +273.15…
Q: Determine ΔH°rxn at 25 °C for the reaction 2 NOCl(g) → N2(g) + O2(g) + Cl2(g) given that the…
A: Given, balanced chemical reaction as follows,2 NOCl(g) → N2(g) + O2(g) + Cl2(g)standard heat of…
Q: The standard heat of combustion of gaseous cyclopentane, C5H10(g), was measured to be −3319.5…
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Q: 4. What equation is used to calculate the entropy change for a reaction from the standard entropies…
A: Entropy change of reaction depand entropy of reactants and products.
Q: When 1 mole of C2H4(g) reacts with H2O (g) to form CH3CH2OH(g) according to the following equation,…
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Q: State the third law of thermodynamics. How is it interpreted in a microscopic thermodynamic sense?
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Q: When 50.0 mL of 0.100 M AgNO3 and 50.0 mL of 0.100 M HClare mixed in a constant-pressure…
A: Given: Specific heat of water = 4.18 J/g⋅∘C. Mass of solution = 100 g. Initial temperature (T1) =…
Q: 13.4gof NH4Clis dissolved in 150mLof water in a coffee-cup calorimeter, and the temperature of the…
A: moles of NH4Cl = mass / molar mass of NH4Cl = 13.4 g / 53.5 g/mol…
Q: The First Law of Thermodynamics
A: “Since you have asked multiple questions, we will solve the first question for you. If you want any…
Q: The mathematical equation that best defines the first law of thermodynamics is ΟΑΔU -ΔΗ-pAV O B. AH…
A: What is the best define the mathematical equation of first law of thermodynamics ?
Q: 45. A50g sample of NaCl is added to a Styrofoam cup of water, and the change in water temperature is…
A: Hey, since there are multiple questions posted, we will answer first question. If you want any…
Q: Consider two-step neutralization reaction of solid metal hydroxide MOH with an acid. The formation…
A: The enthalpy of formation of MOH is -438.15 kJ/mol. The formation enthalpy of M+ is -249.07 kJ/mol.
Q: Automobile airbags contain solid sodium azide, NaN,, that reacts to produce nitroge 2 NaN, (s) 2…
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Q: Which of the following is a statement of the first law of thermodynamics? O Ek = 1/2 mv2 O A…
A: Which of the given statement follows the first law of thermodynamics ?
Q: Consider the gas-phase reaction NO + 1/2O2 NO2 for which ΔH° = –57.05 kJ and K = 1.54 × 106 at 25°C.…
A: The reaction is given as follows: The value of ΔH° and K for above reaction are –57.05 kJ and K =…
Q: A critical reaction in the production of energy to do work or drive chemical reactions in biological…
A: ∆Grxn = - 50.1 kJ/mol
Q: How is the third law of thermodynamics interpreted in a microscopic thermodynamic sense
A: According to the third law of thermodynamics, the entropy of a perfect crystal is zero at 0 K. It is…
Q: Calculate ΔH in kJ for the reaction: 2CH3OH(l) + 3O2(g) → 2CO2(g) + 4H2O(l) given that the standard…
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Q: Which of the following is the correct statement about first law of thermodynamics? O Frist law of…
A: According to first law thermodynamics, energy can neither be created nor be destroyed.
Q: glass of water at room temperature i 1st Law of Thermodynamics Zeroth Law of Thermodynamics
A: The total energy of glass water remains the same which means there is no exchange of energy or…
Q: The industrial synthesis of chloroform by the reaction of methane with Cl2 is carried out according…
A: The given equation is not balanced, so the first step is to balance the equation. CH4 (g) + 3Cl2…
Q: Considering the limiting reactant, how much heat is produced at constant pressure if 0.243 g of…
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Q: A critical reaction in the production of energy to do work or drive chemical reactions in biological…
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Q: Hemoglobin carries O₂ from the lungs to tissue cells, wherethe O₂ is released. The protein is…
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Q: Calculate ΔH for the process: N2(g) + 2O2(g) ⟶…
A: According to the Hess's law, the enthalpy change of final reaction can be calculated by sum of the…
Q: Calculate ΔH for the reactionC(s) + H2O(g)------> CO(g) + H2(g)given the following thermochemical…
A: From the given equations, it is clear equation (4) can be obtained by adding equation (1), reverse…
Q: Phosgene, COCl2, was used as a war gas during World War I. It reacts with the moisture in the lungs…
A: Formation reactions are defined as the reaction that forms 1 mole of the product from the elements…
Q: The reaction 2N20(g) 2N2(g) + O2(g) has AH° = -163.14 kJ. What is the value of AE for the…
A: Recall the given reaction, 2 N2O (g) 2 N2 (g) + O2 (g) , ∆H = - 163.14…
Q: Calculate the enthalpy for this reaction: | 2C(s) + H2(g) ---> C2H2(g) AH° = ??? kJ Given the…
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Q: 10- turning on a light in which the electricity changed to light occurs according to Ob- Third law…
A: Thermodynamics is the branch of science, which deals the change in energy or heat in different…
Q: Determine the heat of reaction (KJ) for the decomposition of one mole of benzene to acetylene,…
A: Given the following thermochemical equations: 2C6H6(l) + 15O2(g) → 12CO2(g) + 6H2O(g) ΔH = −6271…
Q: A critical reaction in the production of energy to do work or drive chemical reactions in biological…
A: Consider the reaction,
Q: 17D.1. (a) What is the specific heat of liquid water? (b) What is the molar heat capacity of liquid…
A: Specific heat is the amount of heat per unit mass required to raise the temperature by one degree…
Q: A 0.75 g sample of KCl is added to 50.0 g of H20 in a Styrofoam cup and stirred until it dissolves.…
A: Given that: Mass of KCl = 0.75 g Mass of water = 50.0 g Initial temperature is 26.0oC Heat of the…
Q: The heat of combustion, AH°C, of acetone, C3H,O, is -1790.4 kJ/mol. How many kilojoules of heat are…
A: The combustion is a reaction of the compound in the presence of oxygen. The combustion reaction will…
Q: A heat engine operates between a hot source at 130.°C and a cold sink at 10.°C. How much work can be…
A: For carnot cycle, efficient is related to temperatures of hot source and cold sink
Q: Consider the decomposition of liquid benzene, C6H61l2, togaseous acetylene, C2H21g2:C6H61l2 ¡ 3…
A: Decomposition reactions are one in which the reactants get splits into one or more than one…
Q: How is Hess's Law related to the First Law of Thermodynamics?
A: Hess' s law is related to first law of thermodynamics as follows:
Q: Pls help me think of one situation, example, or application that will show or illustrate the First…
A: Given : first law of thermodynamics. To find: Application of first law of thermodynamics, concept…
Q: Phosgene, COCl2, was used as a war gas during World War I. It reacts with the moisture in the lungs…
A: Given:- S° (COCl2) = 284 J/mol.K∆Hf° = -223 kJ/mol. The reaction is:…
Q: In an experiment to measure the heat released by the combustion of a sample of fuel, the compound…
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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: (b) What is the specific enthalpy of combustion of ethane? kJ/g. 3 sig. number.
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- Some say that the job of an engineer is to fight nature and the tendencies of entropy. (a) Does this statement seem accurate in any way? (b) How can any engineering design create order without violating the second law of thermodynamics?A pot of cold water is heated on a stove, and when the water boils, a fresh egg is placed in the water to cook. Describe the events that are occurring in terms of the zeroth law of thermodynamics.Would the amount of heat absorbed by the dissolution in Example 5.6 appear greater, lesser, or remain the same if the heat capacity of the calorimeter were taken into account? Explain your answer.
- When 1.000 g of ethylene glycol, C2H6O2, is burned at 25C and 1.00 atmosphere pressure, H2O(l) and CO2(g) are formed with the evolution of 19.18 kJ of heat. a Calculate the molar enthalpy of formation of ethylene glycol. (It will be necessary to use data from Appendix C.) b Gf of ethylene glycol is 322.5 kJ/mol. What is G for the combustion of 1 mol ethylene glycol? c What is S for the combustion of 1 mol ethylene glycol?The enthalpy of vaporization for water is 40.65 kJ mol-1. As a design engineer for a project in a desert climate, you are exploring the option of using evaporative cooling. (a) If the air has an average volumetric heat capacity of 0.00130 J cm-3 K-1, what is the minimum mass of water that would need to evaporate in order to cool a 5 m? 5 m room with a 3 m ceiling by 5°F using this method? (b) Is this a spontaneous or nonspontaneous process?Peanuts and peanut oil are organic materials and bum in air. How many burning peanuts does it take to provide the energy to boil a cup of water (250 mL of water)? To solve this problem, we assume each peanut, with an average mass of 0.73 g, is 49% peanut oil and 21% starch; the remainder is noncombustible We further assume peanut oil is palmitic acid, C16H32O2, with an enthalpy of formation of 848.4 kJ/mol. Starch is a long chain of C6H10O5 units, each unit having an enthalpy of formation of 960 kJ.
- 9.20 State the first law of thermodynamics briefly in your own words.When 1.000 g of gaseous butane, C4H10, is burned at 25C and 1.00 atm pressure, H2O(l) and CO2(g) are formed with the evolution of 49.50 kJ of heat. a Calculate the molar enthalpy of formation of butane. (Use enthalpy of formation data for H2O and CO2.) b Gf of butane is 17.2 kJ/mol. What is G for the combustion of 1 mol butane? c From a and b, calculate S for the combustion of 1 mol butane.9.53 Using these reactions, find the standard enthalpy change for the formation of 1 mol of PhO(s) from lead metal and oxygen gas. PbO(s)+C(graphite)Pb(s)+CO(g) H = 106.8 kJ 2C(graphite)+O2(g)2CO(g) H= -221.0 kJ If 250 g of lead reacts with oxygen to form lead(II) oxide, what quantity of thermal energy (in kJ) is ahsorhed or evolved?
- For a process, w = 34 J and q = 109 J. What is E for this process?For the reaction BaCO3(s) BaO(s) + CO2(g), rG = +219.7 kJ/mol-rxn. Using this value and other data available in Appendix L, calculate the value of fG for BaCO3(s).A student performing a calorimetry experiment combined 100.0 ml. of 0.50 M HCI and 100.0 ml. of 0.50 M NaOH in a StyrofoamTM cup calorimeter. Both solutions were initially at 20.0 C, but when the two were mixed, the temperature rose to 23.2 C (a) Suppose the experiment is repeated in the same calorimeter but this time using 200 mL of 0.50 M HCl and 200.0 ml of 0.50 M NaOH. WIII the AT observed be greater than, less than, or equal to that in the first experiment, and why? (b) Suppose that the experiment is repeated once again in the same calorimeter, this time using 100 mL of 1.00 M HCI and 100.0 ml. of 1.00 M NaOH. Will the T observed be greater than, less than, or equal to that in the first experiment, and why?