If the monthly electricity consumption of a household is 6,619 kWh, what is this consumption expressed in kJ? 2.38 x 107 kJ 1.84 kJ 2.38 x 1010 kJ 1.84 x 10-6 kJ

Q: Calculate the kinetic energy in joules of an automobile weighing 4175 lb and traveling at 45 mph. (1…

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Q: A metal having a cubic structure has a density of 2.6g/cm3, an atomic weight of 87.62g/mol and a…

A: Answer: The crystal structure of a metal is FCC (Face centered cubic)   Given,  Density of a  cubic…

Q: A serving size of five cookies contains 9 g of fat, 16 g of carbohydrates, and 2 g of protein. If…

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Q: A system does 551 kJ of work and loses 236 kJ of heat to the surroundings. What is the change in…

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Q: Consider these reactions: Reaction 1: H2 (9) + Cl2 (g) → 2HC1(9) AH=-184.6 kJ %3D Reaction 2: 20F2…

A: ->If ∆H = +ve => reaction is endothermic reaction ->if ∆H = ,-ve => reaction is…

Q: calorimeter containing 837 mL of 1.10 M acid, where the acid has a 1 to 1 molar ratio with sodium…

A: We will calculate ∆H in Kj/mol

Q: Calculate the enthalpy of reaction (ΔHrxn), in kJ, for the following reaction: Fe2O3(s) + 3 CO(g) →…

A: According to Hess's law change of enthalpy in a chemical reaction is same regardless of whether the…

Q: Using the Table of Thermodynamic Values, determine the change in enthalpy (kJ) for the following…

A: Hess's law  states that the amount of heat evolved or absorbed in a process is independent of the…

Q: A system does 516 kJ of work and loses 256 kJ of heat to the surroundings. What is the change in…

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Q: Deterioration of buildings, bridges, and other structures through the rusting of iron costs millions…

A: The balanced reaction taking place is given as, 4 Fe(s) + 3 O2(g) → 2 Fe2O3(s)…

Q: Consider these reactions: Reaction 1: H2 (g) + Cl2 (g) → 2HC1(g) AH = -184.6 kJ Reaction 2: 20F2 (g)…

A: -> If ∆H =+ve => reaction is endothermic reaction. -> if ∆H = -ve => reaction is…

Q: A chemical reaction takes place inside a flask submerged in a water bath. The water bath contains…

A: Since the water bath contains 9.80 kg of water at 24.2˚C and heat capacity of water is 4.18…

Q: When 1.31 g of KClO3 was added to 138.34 g of water in a calorimeter, the  temperature dropped by…

A: mass of KCIO3 = 1.31 g mass of water = 138.34 g Temperature dropped = 0.506 °C Heat capacity of H2O…

Q: Given the following reactions Reactions Na(s) + Cl₂(g) → Na(g) + Cl(g) 2 Na(g) + Cl(g) → Na*(g) + Cl…

A: Answer:Extensive properties are the properties that depend on the size of the system. Enthalpy…

Q: The change in enthalpy (heat of solution) for ammonium nitrate dissolving in water is 25.7 kJ/mol.…

A: Given,  The change in enthalpy (heat of solution) for ammonium nitrate dissolving in water is 25.7…

Q: The change in enthalpy (heat of solution) for ammonium nitrate dissolving in water is 25.7 kJ/mol.…

A: Molar mass of ammonium nitrate =80.043g/mol

Q: 5.2 g of NaOH is added to a coffee cup calorimeter containing 861 mL of 1.10 M acid, where the acid…

A: Given molarity of acid = 1.10 M  Volume = 861 mL  Density of the solution = Density of water = 1.0…

Q: A student performs a calorimetry experiment. The student combines 100. g of 0.40 M HC1(aq) with 100.…

A: Heat absorbed by the particular species = mass × heat capacity × temperature change

Q: The specific heat of water is 4.18. How much heat is required to raise the temperature of 500 g of…

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Q: If a system has 375 kcal of work done to it, and releases 5.00 x 102 kJ of heat into its…

A: Answer:Here:

Q: Using the Table of Thermodynamic Values, determine the change in enthalpy

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Q: Determine if the following reactions/processes are endothermic or exothermic. A+B → AB ΔΗ AH-75 kJ A…

A: Exothermic reactions release energy into their surroundings, while endothermic reactions absorb…

Q: A student is determining the enthalpy of solution for ammonium nitrate by adding ammonium nitrate to…

A: The question is based on the concept of chemical thermodynamics. we need to predict the effect on…

Q: Consider these reactions, where M represents a generic metal. 2 M(s) + 6 HCl(aq) – 2 MC, (aq) + 3 Н,…

A: The reactions given are,

Q: 4.   Anthracite coal releases about 30 kJ/g when it is burned.  How many pounds of coal      would…

A: Given data:-  Qcoal = 30 kJ/g  , Vwater = 500 L  ∆Twater = 80 °C ,   Qefficient = 30%  We know ,…

Q: lacmillan Learning Carbohydrates serve as a vital source of chemical energy to the human body.…

A: 1 KJ = 0.239 Kcal  So  119 KJ = 119 X 0.239 Kcal             =  28.44 Kcal

Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 1.25 kg sample…

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Q: A 1445 kg car is traveling down the road at 96.6 km/h. While traveling at this rate of speed, what…

A: Given : Mass of car = 1445 kg Speed of car = 96.6 km/hr  To calculate :- Kinetic energy (in kJ)

Q: Consider these reactions: Reaction 1: H2 (g) + Cl2 (g) → 2HC1(g) AH = -184.6 kJ Reaction 2: 20F2 (g)…

A: `Given the reaction: H2(g) + Cl2(g) → 2HCl(g) ∆H = -184.6 kJ We have to calculate the mass of…

Q: A serving size of four cookies contains 7 g of fat, 16 g of carbohydrates, and 5 g of protein. If…

A: A gram of fat has about 8  kilocalories  so 7 gm of fat is equivalent of 8*7=56 kilocalories =…

Q: 26 kJ of work and loses 216 kJ of heat to the surroundings. ge in internal energy, AE, of the…

A: First law of thermodynamics is based on conservation of energy

Q: wen the reactions, X(s) + O₂(g) →→→ XO(s) XCO3(s) XO(s) + CO₂(g) at is AH for this reaction? X(s) +…

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Q: 3. A student added calcium to water and measured the increase in temperature to determine AH for the…

A: "Since you have posted a multiple sub-part question, we will solve the first 3 sub-parts for you.…