There is 3930 J of energy added to a 79.8 g sample of  H2 By how much does the temperature change

Q: The evaporation of water is endothermic:H2O(l) → H2O( g) ∆Hrxn = +44.01 kJWhat minimum mass of water…

A: Determination of no. of mol of H2O that will evaporate from 175 kJ/mol: n=175 kJ44.01 kJ/mol=3.9764…

Q: 8. It takes 164.7 joules of energy to raise the temperature of 138.6g of a substance from 20.0°C to…

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Q: Given the thermochemical equation  2 CO2(g) → 2 CO(g) + O2(g) ΔH = 566 kJ  how much energy is…

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Q: The specific heat capacity of scandium is 0.567 J/g °C. How many joules are given off when 81.53g of…

A: Given  Mass of scandium = 81.53 gram  Initial Temperature ( T1 )   = 574.2 ℃ Final Temperature ( T2…

Q: A 2.200-g sample of quinone (C6H4O2) is burned in a bombcalorimeter whose total heat capacity is…

A: given, 2.200 gram sample of C6H4O2 Molar mass of quinone- 6*(12)+4*(1)+2(16)= 72+4+32=108 gm No. of…

Q: A 37.15 gram sample of copper (specific heat, 0.385 J/g•°C) with an initial temperature of 95.8°C is…

A: We know that, according to the law of conservation of heat energy, energy gained or loss by the…

Q: Substance "C" is identified to have a specific heat capacity of 0.452 J/(g.°C). Which substances…

A: Answer: Specific heat capacity of the substance is defined as the amount of energy added into the…

Q: How much heat is liberated (in kJ) from 2.57E2 g of silver when it cools from 8.2E1 °C to 2.67E1 °C?…

A: We have to predict the heat released.

Q: A sample of methane experiences a temperature change of -92.79 °C while releasing 487.4 joules of…

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Q: Substance "C" is identified to have a specific heat capacity of 0.452 J/(g.°C). Which substances…

A: To estimate about specific heat , we would check heat energy added and temperature change.

Q: A 921.3 g sample of methane goes through a temperature change of -14.44 °C. The specific heat…

A: The heat involved in the changing the temperature of any sunatance is given by formula - Q = m S ΔT.…

Q: If a 2.0 g sample of water at 5.0° C absorbs 21.8 of heat energy, what will the temperature of the…

A: given data is  q=21.8, m=2.0g  water heat capacity is 4.18J/g °c apply the formula of heat capacity…

Q: According to the following thermochemical equation, if 586.9 g O, is formed how much heat is…

A: Answer - According to the question - Given reaction  CO2 +(g) + 1/2H2O (l) ----- -> 1/2 C2H2 (g)…

Q: 3,000 J of heat is added to a system and 2,500 J of work is done by the system. What is the change…

A: Given: The heat added to the system is 3000 J. The work done by system is 2500 J. Introduction:…

Q: temperature

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Q: 12. A 5.00-g sample of aluminum pellets (CAI 0.89 J/(g °C)) and a 10.00-g sample of iron pellets…

A:

Q: A 448.7 g sample of methane experiences a temperature change of +64.26 °C. The specific heat…

A: When we heat a substance the temperature of the substance increases. The required amount of heat to…

Q: What does C represent in the change in heat formula? q= AH = mx C × AT O specific heat capacity O…

A: In given formula  C is specific  heat capacity.

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: Which of the following is/are TRUE for an endothermic process in an open or closed system? I. The…

A: We have to tell which statement is true.

Q: The temperature of a calorimeter goes from 15.6 degrees (c) to 31.4 degrees (c) 4 by capturing 488.8…

A: Given heat (q) = 488.8 kJ T1 = 15.6°C T2 = 31.4°C

Q: when 75.4 J of energy is absorbed by 0.25 mol of CCl4 what is the change in temperature? the…

A: Given, number of moles of CCl4 =0.25 moleamount of energy absorbed =75.4 Jspecific heat of CCl4…

Q: The specific heat of a certain type of cooking oil is 1.75 J/(g⋅°C).1.75 J/(g⋅°C). How much heat…

A: Heat of reaction is difference of energy of product and energy of Reactant.

Q: . How many joules of energy are required to raise the temperature of the water to 45.0 ºC? (The…

A: We will use formula of heat.

Q: Information gathered from the calorimetry experiment: Mass of Water = 213.4 g Specififc Heat of…

A: Given information: Mass of Water = 213.4 g Specific Heat of Hydrochloric Acid = 4.04 J/goC Specific…

Q: A 981.8 g sample of bismuth goes through a temperature change of +46.75 °C while absorbing 784.6…

A: 1. Given :-  Mass of sample of Bi = 981.8 g  Temperature change i.e. ∆T = +46.75°C  Amount of heat…

Q: A 6.75g sample of gold (specific heat capacity of Au = 0.130 J/gC) is heated using 40.2 J of energy.…

A: Since the heat required in heating of metal is given by  Q = mCΔT where Q = heat or energy = 40.2 J…

Q: Given the following thermochemical equation CH4 (g) + 2O2 (g ) ⟶ CO2(g) + 2H2O…

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Q: 4. Calculate the amount of heat (in kJ) required to raise the temperature of a 45.0 g sample of…

A: Heat required to raise the temperature of 1g of substance through 1°C is known as specific heat…

Q: A sample of gaseous xenon is heated with an electrical coil. If 19.2 Joules of energy are added to a…

A: Final temperature can be calculated as follows

Q: În the laboratory a student finds that it takes 21.8 Joules to increase the temperature of 13.1…

A:

Q: 4. INTERNAL ENERGY OF A SYSTEM a. Calculate the change in the internal energy of a liquid system…

A: According to the first law of thermodynamics, the change in internal energy is given by: ∆E = q +…

Q: en the thermochemical equation 2S02(g) + O2(g) – 2SO3(g), AH°rxn-198 kJ/mol, how much heat is evolod…

A: Answer and explanation is given below hope you like it.

Q: A gas absorbs 188 J of heat and then performs 310 J of work. The change in internal energy of the…

A: In chemistry, the term internal energy for a given system can be defined as the energy which is…

Q: A 23.56 g sample of a substance is initially at 23.7 °C. After absorbing 2083 J of heat, the…

A: The specific heat capacity is defined as the amount of heat requires to raise the temperature if 1…

Q: How many joules of energy are needed to raise the temperature of an item 55 degrees if the heat…

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Q: A 763.9 g sample of hydrogen experiences a temperature change of +27.05 °C. The specific heat…

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

Q: A 150.0 g block of lead at 100.0 °C is placed in a calorimeter with 50.0 g of water at 22.0 °C. The…

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Q: If 18.0 kJ of heat are given off when 2.1 g of HCl condenses from vapor to liquid, what is AHcond…

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Q: 4. Consider the equations for these reactions: % N2 + % 02→ No AH = +90.4 kJ NO2 → NO + % 02 AH =…

A: Given data, The given chemical reactions are - 12N2 + 12O2 → NO   ------ (1)  The ∆H for equation…

Q: A piece of molybdenum metal whose mass is 6.87 g is heated to 100.0 °C and then dropped into an ice…

A: The molar heat capacity is the amount of heat required to increase the temperature of one gram…

Q: Substance "C" is identified to have a specific heat capacity of 0.452 J/(g.°C). Which substances…

A: As,  q = mC∆T  So, C = q/m∆T  For given value of heat and mass , Specific heat capacity (C) would be…

Q: A 384.7 g sample of gold experiences a temperature change of +10.82 °C while absorbing 635.6 joules…

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Q: A 27.7 g sample of ethylene glycol, car radiator coolant,loses 688 J of heat. What is the initial…

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Q: The specific heat of a certain type of cooking oil is 1.75 J/(g⋅°C).1.75 J/(g⋅°C). How much heat…

A: Given: The specific heat, ‘c’ of cooking oil is 1.75 J/(goC) Mass, ‘m’ of oil is 2.42 kg Initial…

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

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Q: The work done to compress gas is 83.0 J. As a result, 33.0 J of heat is given off to the…

A: According to the 1st law of thermodynamics, the relation between change in internal energy, work…

Q: How much heat is required to raise the temperature of a 5.45-g sample of iron (specific heat = 0.450…

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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),…