Give 5 examples of instances or activities that require or produce energy.Where this energy came from?What happens to energy used in these activities? Is energy used up? Does it disappear? Based on your answers , explain the first law of thermodynamics.

Q: Which statement is true of the internal energy of a system and its surroundings during an energy…

A: The true statement of the internal energy of a system and its surroundings during an energy exchange…

Q: . Energy can only be transferred as potential energy being converted to kinetic energy O . Energy…

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

A: Given: First law of thermodynamics and its implications

Q: A chemist measures the energy change AH during the following reaction: C;Hg(9)+5O,(g) →3…

A: We have to find whether this reaction is exothermic or endothermic. Also, we have to find the amount…

Q: A student places 125g of liquid water, H201), at 24 °C into a coffee-cup calorimeter, and then adds…

A: Here the system is showing two change , one is the dissolution of KBr and another one is for…

Q: A fuel is burned in a cylinder equipped with a piston. The initial volume of the cylinder is 0.250…

A: A fuel is burned in a cylinder equipped with a piston. The initial volume of the cylinder is 0.250…

Q: A chemist measures the energy change AH during the following reaction: 2 NO,(9) → N,O4(9) AH=-55.3…

A: Chemical reactions are associated with the liberation or intake of energy. If the energy is added to…

Q: 9.98. Hydrogen combines with oxygen in fuel cells according to the thermochemical equation 2 H2 (g)…

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Q: A 72.0 mL sample of 1.00 M NAOH is mixed with 59.0 mL of 1.00 M H,SO, in a large Styrofoam coffee…

A: The given thermochemical equation is: H2SO4(aq) + 2NaOH(aq)  ----> Na2SO4(aq) + 2H2O(l) ; ∆Hrxn =…

Q: Give examples of instances or activities that require or produce energy. Where this energy came…

A: Please find the answers below.

Q: 7.Heat is taken in by a system and work is done on the system by its surroundings. The internal…

A: The change in internal energy (ΔU) is given by ΔU = q + w where q = heat energy  w = work done

Q: Use the information and table to answer the following question. A student is planning to determine…

A: Specific heat capacity = (Amount of heat supplied ) / (mass of object) x(increase in temperature)

Q: In a reaction the total energy of the system decreases by 125 kJ. If the reaction releases 80 kJ of…

A: Given data, Total energy of the system decreases by 125 KJ. So, change in the system's energy (∆E) =…

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: Consider an ideal gas enclosed in a 1.00 L container at an internal pressure of 24.0 atm. Calculate…

A: Whenever gas expands against an external pressure, work done is negative because energy gets…

Q: A chemist measures the energy change ah during the following reaction: 2 Fe,0,(s) → 4 FeO(s)+O,(9)…

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Q: for a reaction that does work and releases heat under constant pressure which will have the larger…

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Q: What is being avoided in cleaning the laboratory tools and equipment before using? A. contamination…

A: 4 . Answer  D. Viruses  5. Answer  B. pinchcock  At the bottom of the tube is a stopcock, or valve,…

Q: Consider the following specific heats of metals.Metal      Specific Heatcopper      0.385…

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Q: A combustion reaction released heat at a constant pressure. Which of the following statements is…

A: According to the first law of thermodynamics, the enthalpy change of a system is related by the…

Q: Three alcohol solutions with varying concentrations were mixed together: Solution 1 is 160mL of…

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Q: A system absorbs 21.6 kJ of heat while performing 6.9 kj of work on the surroundings. If the initial…

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

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Q: Is the reaction exothermic or endothermic will any he be released or absorbed. If you said heat will…

A: Given:Mass of CH4 = 87.8 g.Chemical reaction:

Q: Identify the three statements from the list below that BEST describe the first law of…

A: Solution :      Thermodynamics is a branch of chemistry that shows the effects of heat, energy and…

Q: Which statement is true of the internal energy of a system and its surroundings during an energy…

A: Since you have posted multiple questions, we are entitled to answer the first only.

Q: Consider an ideal gas enclosed in a 1.00 L container at an internal pressure of 12.0 atm. Calculate…

A: For single step expansion : w = -Pext.∆V = - 1.00 x (12-1) = -11 L.atm = -11 x 101.325 J = -1114.575…

Q: Which law of Thermodynamics explains why the "house always wins"? In other words, when it comes to…

A: Laws of thermodynamics states as– First law– Energy can neither be created nor be destroyed. It can…

Q: 14. Which of the following is true about the first law of thermodynamics? A. energy can neither be…

A: As per Bartleby answering guidelines we have to solve only the first questions of multiple…

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: Exothermic Endothermic Heat Heat Heat Heat Which statement is correct? O When an endothermic process…

A: Endothermic process is a process which involves heat absorption from the surroundings, so as to…

Q: Two aqueous solutions are both at room temperature and are then mixed in a coffee cup calorimeter.…

A: Since the temperature of the calorimeter is decreasing Means the energy is being supplied to the…

Q: H2 and F2 react according to the following equation, forming HF. H2(g) + F2(g) → 2HF(g); ΔH° = –271…

A: According to thermodynamics, we deal with two types of reactions: Exothermic: The type of reaction…

Q: A chemist measures the energy change AH during the following reaction: 2 Fe,03(s) → 4 Fe0(s)+O,(g)…

A: Given:

Q: A system absorbs 21.6 kJ of heat while performing 6.9 kJ of work on the surroundings. If the initial…

A: According to 1st law of thermodynamics:-∆u=q+wwhere,∆u= cange in internal energyq= heat given to the…

Q: We eat food every day for sustenance. Relate the idea of eating foods to the second law of…

A: The second law o thermodynamics deals with the quality of energy. It states that when energy changes…

Q: What mass of butane (C4H10) in grams is necessary to produce 1.5 × 10³ kJ of heat? What mass of CO₂…

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Q: Consider an ideal gas enclosed in a 1.00 L container at an internal pressure of 18.0 atm. Calculate…

A: Work done by gas against a constant external pressure is given by  W = -PΔV where W = work done by…

Q: 15.A sample of 125 g of cold water and 283 g of hot water are mixed in an ideal thermos and thermal…

A: Given : Mass of cold water=125 g Mass of hot water=283 g Initial temperature of cold water=3∘C…

Q: Questions 123 – 125 relate to a heat engine which uses heat to do 50 J of work, and then exhausts…

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Q: A chemist measures the energy change AH during the following reaction: 2 NH3(g) → N(9)+3H,(9)…

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Q: Which statement is incorrect? Energy is the capacity to do work or to transfer heat. O Kinetic…

A: There are various forms of energy.  The law of conservation of energy states that energy is neither…

Q: For the chemical reaction below, which statement is true about the reaction? N2H4 (1) + O2 (g) → N2…

A: Work done prediction for a Chemical reaction involving gaseous species can be done as follows:

Q: State the second law of thermodynamics.

A: Alternative statements of the Second Law of Thermodynamics There are three types of statements for…

Q: Consider an ideal gas enclosed in a 1.00 L container at an internal pressure of 18.0 atm. Calculate…

A: Part A: The work done can be calculated as, w = - Pext (V2 - V1) w= -1 (18 - 1) w = -17 atm L 1 atmL…

Q: a. Determine whether energy as heat is evolved or required in the following process at constant…

A: Given: a. Ozone decomposes to give O2.

Q: 00 IN L OUniversity Science Book: presented by Macmillan Learning Stry 4th Edition McQuarrie Rock…

A: Consider an ideal gas enclosed in a 1.00 L container at an internal pressure of 18.0 atm. Calculate…

Q: Nature favors exothermic reactions because after such a reaction a. energy previously held…

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