Convert the value for R, 0.0709 L atm mol K, to one that has units of cal molK. ROUND ANSWER TO 2 DECIMAL PLACES. DO NOT INCLUDE UNITS. 1 L atm = 101.325 J 1 cal = 4.184 J %3D

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A: Temperature change can be calculated as follows:

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A: Given data,Heat energy=27.3JoulesMass of sample=10.4gInitial temperature=20.4oCData needed: (taken…

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A: Use Hess’s Law to calculate ΔH(tot): [tot] 2NO2(g) + 1⁄2O2(g) → N2O5(s) ΔH(tot) = ___________? [1]…

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Q: C 1. Explain how you know whether this graph is exothermic or endothermic. Heat (J) Temperature (°C)

A: Answer

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A: 1) Melting of 14.5 g of ice.

Q: Calculate the heat capacity, in calories per degree, of 28.4 g of lead. Specific heat of lead is…

A: 1- First we will determine the heat capacity in J/°C  We know that,  Heat capacity = [ specific heat…

Q: stion 14 of 41 A 23.69 g sample of a substance is initially at 24.7 °C. After absorbing 2611 J of…

A: Mass of sample(m) = 23.69g Initial temp(T1) = 24.7°C Final temp(T2) = 127.4°C Heat(q) = 2611J

Q: how many joules are necessary to raise the temperature of the following object by the given amount?…

A: Given mass of H2O = 40.5 g T1 = 13°F T2 = 39°F ΔT = T2 - T1  standard value specific heat of water…

Q: A 10.7-g silicon block, initially at 125.0 °C, is dropped into a Thermos flask containing 39.0 g of…

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Q: Order the substances (A, B. C, D, and E) by their specific heat capacities from highest (5) to…

A: Answer: As we know, relation between heat added and temperature increased is as shown blow:…

Q: A 0.32-L gas in a cylinder with frictionless piston absorbs 943 J of heat. If all of the heat is…

A: Here Given that, Q = Work done

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Q: IeFs Make Physical States What They Are 3% 湯 gas (s) (g) makes ↑ ? Ech takes: t ?1T ↑? P tion tion…

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Q: What is the melting point of benzene in kelvin if AH = 9.95 kJ/mol and AS = 35.7J(K*mol)? %3D

A: At exact melting there will a equlibrium will be Exist between benzene will be equlibrium in one…

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Q: The specific heat capacity of liquid mercury is 0.14 J/g°C. How many joules of heat are needed to…

A: Option B is correct. ( 40J )

Q: 9.) Use Hess's law to calculate AG°rxn using the following information. NO(g) + 0(g) → NO2(g) 2…

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Q: How much energy is released when a 50g sample of gaseous ethanol is cooled from 78.4 degrees celsius…

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Q: A 28.79 g sample of a substance is initially at 21.2 ∘C. After absorbing 1817 J of heat, the…

A: Introduction The specific heat of any particular metal basically denotes the heat quantity required…

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Q: 6. How many calories of heat are needed to change 55.00g of nickel at 1250.0°C to 1750.0°C? (C…

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Q: heat of combustion

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Q: In a city X the atmospheric pressure is 547 torr. Waht is the boliling point of water (AH = 40.7…

A: In order to find the boiling point we first write down the given data: Atmospheric pressure= 547…

Q: What is the heat generated/released when 60 g of copper (specific heat= 0.39 J/C) is cooled from 40…

A: Given, mass, m = 60 g specific heat, c = 0.39 J/g.°C temperature, ΔT =  40 - 30°C = 10°C The formula…

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Q: Br 1. PPh3 2. nBuLi NHỊNH, ܠ K0H Heat

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Q: A 200.0 g of tin released 394 calories (cal.) of heat when cooled from 100.0°C to 24.5°C. What is…

A: Given information,    Mass of metal is 200.0 g,    Amount of heat released is 394 cal,…

Q: (Q46) How much heat (in kJ) is released when 43.8 grams of liquid bromine (Br2) is cooled from an…

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Q: the gas N₂ at 1 atm pressure absolute is being heated in a heat exchanger. calculate the amount of…

A: The gas N2 at 1 atm pressure absolute is being heated in a heat exchanger. calculate the amount of…

Q: 47.9 C,H, %3D T=278.70 1.000 0.047 G 278.66 351.4 562.1 Temperature (K) What process occurs if…

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Q: Exactly 16.0 mL of water at 24.0 °C is added to a hot iron skillet. All of the water is converted to…

A: we know that mass = density x volume also density of water = 1 g / ml so mass of water = 16 ml x 1…

Q: The specific heat capacity of liquid mercury is 0.14 J/g-°C. How many joules of heat are needed to…

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Q: How much heat is released when a 27.7 g sample of ethylene glycol (C = 2.42 J/g·°C) at 42.76°C is…

A: Given that, Mass of ethylene glycol = 27.7 grams Specific heat capacity of ethylene glycol (Cs) =…

Q: Calculate the enthalpy change of the following phase changes. 1. melting of 14.5 g ice 2.…

A: Standard enthalpy change value for phase change are ∆Hfusion=334 KJ/Kg∆Hvaporization=2260 KJ/Kg…

Q: What is the boiling point of the unknown substance Xin K(Kelvin)? X(e) = X(g) AH;°(kJ mol-1) S°(J…

A: In this problem, we are required to calculate the boiling point of liquid X given that the enthalpy…

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Q: Which of the following processes will have the greatest change in enthalpy? Group of answer choices…

A: The reactions given are, 1) CH4(l) ⟶ CH4(g)   2) C2H6(l) ⟶ C2H6(g)   3) C3H8(l) ⟶ C3H8(g)   4)…

Q: Acetaldehyde, CH3 CHO, is a colorless, flammable liquid used in the manufacture of acetic acid,…

A: The given data is as follows: CH3CHO(l)  →  CH3CHO(g)       ∆H°=? ∆Hf°(CH3CHO(l) )=-191.8…

Q: Heat produced by combustion of a different food sample is 10,000J/g. How many Calories per gramis…

A: Given: Heat produced by combustion of food sample = 10,000 J/g

Q: A 58.71 g58.71 g sample of a substance is initially at 29.8 °C.29.8 °C. After absorbing 2269 J2269 J…

A: Mass of the substance = 58.71 g Heat absorbed = 2269 J Initial temperature = 29.8 oC Final…

Q: How much heat is absorbed when 4.0 grams of steam (H,O (g)) is heated from 120°C to 160°C? Cwater(g)…

A: To solve this problem we will use the formula  Q = mc∆T  Where,  Q = heat absorbed  m= mass of water…

Q: (Q46) How much heat (in kJ) is released when 32.2 grams of liquid bromine (Br2) is cooled from an…

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