Using the following thermochemical data: 2Er(s) + 6HF(g) → 2ErF3(s) + 3H2(g) ΔH° = -1795.4 kJ/mol 2Er(s) + 6HCl(g) → 2ErCl3(s) + 3H2(g) ΔH° = -1443.6 kJ/molcalculate ΔH° for the following reaction: ErF3(s) + 3HCl(g) → ErCl3(s) + 3HF(g)

Q: Consider these reactions, where M represents a generic metal. 1. 2 M(s) + 6 HCl(aq) 2 MCI, (aq) + 3…

A: We will answer the first question since the exact one wasn't specified. Please submit a new question…

Q: An unknown sample of coal is burned in an apparatus with a calorimeter constant of 1.49 kJ/°C. When…

A:

Q: The oxidation of the sugar glucose, C6H12O6, is described by the following equation: C6H12O6 (s) +…

A:

Q: A sample of lead is heated to 189.4oC.  It is then placed in a cup containing 32.8 g water at…

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Q: 52. A 6.22-kg plece of copper metal is heated from 205 C to 324.3 C.Calculate the hout aboobed Gin…

A: Note - Since you have asked multiple question, we will solve the first question for you. If you…

Q: To treat a burn on his hand, a person decides to place an ice cube on the burned skin. The mass of…

A: Given Temperature range = -14.1°c to 29.5°c Mass = 17.3g Standard values  Specific heat of ice =…

Q: Duncan knows that it takes 36400 calcal of energy to heat a pint of water from room temperature to…

A: Given: Energy needed to heat a pint of water from room temperature = 36400 Cal Heating 0.900 pint of…

Q: Use the following thermochemical equations as needed to find the heat of formation of diamond:…

A: As per given question, we need to find the heat of formation of diamond. For the formation of…

Q: Given the following thermochemical equations, 2Cu + S(s) → Cu2S(s) AH° = -79.5 kJ S(s) + O2(g) →…

A: We have to predict the standard enthalpy of formation of CuO.

Q: The specific heat capacity of copper is 0.384 J /g* degrees C. What is the molar specific heat…

A: For copper, Specific heat capacity, Cs = 0.384 J / g ℃ Molar mass, M = 63.54 g mol-1 Molar heat…

Q: 1. How much phosphorus in grams is required to release 222.94 kJ of heat? 5 Ni + 2 P -> Ni5P2  △ H…

A: Thermodynamics is the branch of chemistry which deals with the study of heat and other forms of…

Q: The evaporation of water is endothermic H2O(l)+44.01kj------>H2O(g) If 275kj of heat is absorbed,…

A: Given reaction,      H2O(l) + 44.01kj → H2O(g)   Calculate the moles of H2O evaporated,         275…

Q: Use the thermodynamic data in the table below to calculate how much heat in kJ is required to change…

A:

Q: Given the thermochemical equations A(g) → B(g) AH = 80 kJ B(g) → C(g) AH = -150 kJ find the enthalpy…

A: Given  A(g)  → B(g)                      ∆H = 80 KJ                     ( Equation 1 )  B(g)  → C(g)…

Q: A solid-state substance absorbs 5589kJ of energy. The mass of the substance is 0.774kg. Assuming the…

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

Q: Heating a 25.0 g sample of each substance below with 375 J of energy will cause which substance to…

A: To Solve this problem we will use the formula   Q = mc∆t  Where ,  Q = heat abosbed or released  m =…

Q: Duncan knows that it takes 36400 cal of energy to heat a pint of water from room temperature to…

A: for 1 pint of water energy absorbed = 36400cal 1 cal = 4.184 x 10 -3 kJ  so 36400 cal  = 36400 x…

Q: 0.81 g sample of KCl is added to 37.9 g H2O and stirred until KCl completely dissolves in a…

A: When KCl is mixed with water as we see temperature of the system decreases . Heat of solution is…

Q: Q8. 0.81 g sample of KCl is added to 37.9 g H;O and stirred until KCl completely dissolves in a…

A: Given data -                 mass of KCl = 0.81 g            mass of water = 37.9  g      initial…

Q: Use this data to answer the following question. H2O(s) H2O(g) Fe(s) 4.18 J/g. C 2.01 J/g.° C | 0.45…

A: Find the solution below:

Q: The combustion of 0.1595 g benzoic acid increases the temperature of a bomb calorimeter by 2.52°C.…

A: Given data is as follows: Mass of benzoic acid is 0.1595 g Energy released by benzoic acid is 26.42…

Q: A bomb calorimetry experiment is performed with xylose, CSH10OS (s), as the combustible substance.…

A: ,given xylose burned=1.823gmheat capacity of calorimetre=4.728KJ/°Cinitial temperature=23.29°Cfinal…

Q: 9. Use the following thermochemical equations as needed to find the heat of formation of diamond:…

A: Given equations are : 1). C (diamond) +  O2 (g)  --------> CO2 (g) , ΔH1 = -395.4 KJ  2). 2CO2…

Q: A 2.5 g sample of NH4NO3 is dissolved in 135 g of water in a Styrofoam cup, changing the temperature…

A: Data given: Mass of NH4NO3 dissolved = 2.5 g Mass of water = 135 g Initial temperature, T1 = 25.1 °C…

Q: The thermochemical equation for the formation of methyl alcohol indicates that 239 kJ of energy is…

A:

Q: 7.) Use the following thermochemical equations as needed to find the heat of formation of diamond:…

A: We can solve this problem using this concept, Graphite and diamond are in equilibrium state at their…

Q: The standard enthalpy change for the following reaction is -467 kJ at 298 K. Na(s) + 1/2 N2(g) + 3/2…

A:

Q: a) A person drinks four glasses of cold water (3.0°C) every day. The volume of each glass…

A: Given: volume=2.6×102 mLInitial temperature=3.0oCFinal temperature=37oC To find: Heat supplied

Q: Duncan knows that it takes 36400 calcal of energy to heat a pint of water from room temperature to…

A: The amount of energy required to heat a pint of water is 36400 cal. The amount of water taken by…

Q: 1.)  How much energy is required to raise the temperature of 10.7 grams of solid zinc from 20.3°C…

A:

Q: How much heat (in cal) is needed to heat a container of water (with a mass of 5 kg) (specific heat…

A: Given, Note: 1Kg = 1000 g Mass of water (m) = 5 Kg = 5000 g Specific heat capacity of water (Cp) =…

Q: What is the resulting temperature when 100 g of water at 75°C is mixed with 30 g of ice at 0 °C?…

A: Mass of water =Mw = 100 g Temperature of water Tw = 75°C Specific heat of water =cw =  4.184 J/g°C…

Q: Work is done on the system and heat is absorbed by the system. What are the signs on heat and work?…

A: Solution: According to the IUPAC sign conversation, work done (W) by system means there is decrease…

Q: 1. A 1.50 kg sample of vanadium (specific heat = 0.119 J/g°C) is heated to 85.0°C then placed in a…

A: Consider Tf be the final temperature of the metal and water. The mass of vanadium is 1.50 kg or 1500…

Q: A Snickers candy bar has 120 kcals attributed to its fat content. What is this energy in kilojoules…

A:

Q: How much heat will be absorbed by a 33.9 g piece of aluminum (specific heat = 0.930 J/g･°C) as it…

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Q: How much energy is removed from 500.0 g of liquid water when the temperature is lowered by 1.10 deg…

A: We know that : Q = mC∆T ...(1)  Here, Q = kJ, m = mass of water = 500 gm, C = heat capacity of water…

Q: What amount of heat energy (in Joules) is needed to heat 4.83 grams of water (c = 4.18 J/g°C) at…

A: The given data contains, mass  = 4.83 g. Temperature T1 = 400C Final temperature T2 = 600C

Q: 350.0 g of 5.00°C water is heated until its temperature is 37.0°C.  If the specific heat of water is…

A:

Q: 4. Given the thermochemical equations: Cigraphite) + Oze) > CO29) AH = -393.3 kJ/mol > Cdiamond) AH…

A: The balanced chemical equation with thermodynamic data provided is known as a thermochemical…

Q: Use the following thermochemical equations as needed to find the heat of formation of diamond:…

A: Given equations are : 1). C (diamond) +  O2 (g)  --------> CO2 (g) , ΔH1 = -395.4 KJ  2). 2CO2…

Q: Use Hess's law to calculate ΔG° rxn using the following information.  ClO( g) + O 3( g) → Cl( g) +…

A: Given: 1st equation.  2 O3 ( g) → 3 O2 ( g).  ΔG° rxn = +489.6 kJ 2nd equation  Cl(g) + O3(g) →…

Q: Which of the following statements is incorrect concerning the thermochemical equation below? 2SO_3…

A: The given reaction is :2 SO3 (g) → 2 SO2 (g) + O2 (g) ; ∆H° = 198 kJa. the enthalpy of the reactants…

Q: A 80.8 g chunk of granite (specific heat: 0.79 J/g°C) is heated to 225.7 °C and dropped into a…

A:

Q: A 87.9 g chunk of limestone (specific heat: 0.22 J/g°C) is heated to 231.9 °C and dropped into a…

A: Mass of limestone (m) = 87.9 g Specific heat of limestone (c) = 0.22 J/g.°C Initial temperature (Ti)…

Q: When N2(g) react with O2(g) to form N20(g) according to the following equation, energy is absorbed…

A:

Q: As a lab experiment, a 10.0 g sample of iron metal, specific heat = 0.444 J/ g*oC, is heated from…

A: Mass of Fe = 10.0 g Mass of water = 50 g Initial temperature of Fe = 1600 °C Initial temperature of…

Q: Consider the combustion of liquid C₅H₈ in oxygen gas to produce carbon dioxide gas and water vapor.…

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Q: 7.) Use the following thermochemical equations as needed to find the heat of formation of diamond:…

A: • Given,   C(diamond) + O2(g) → CO2(g),    H° = -395.4 KJ   — (i)   2CO2(g) → 2CO(g) + O2(g),…