6. Calculate the heat change, in kJ, the following reaction:

Q: Consider the chemical equation 2 A + 3 B ---> 4 C + D The reaction enthalpy is 705 kJ How many…

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Q: What is the kinetic energy of a baseball with a mass of 117.7 g traveling at a speed of 1.377 m/s?

A: Given, Mass of a baseball (m) = 117.7 g = 0.1177 kg Speed of a baseball (v) = 1.377 m/s Kinetic…

Q: What is the final temperature of a 56 g sample of water if the initial temperature was 4.0°C and it…

A: Given: Mass, m = 56 g Heat, q = 3046 J Specific heat of water, c = 4.184 Initial temperature, Ti =…

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

A: Combustion is the reaction of a substance with oxygen. In the presence of oxygen, hydrocarbons…

Q: A 1753 kg1753 kg car is traveling down the road at 82.2 km/h.82.2 km/h. While traveling at this rate…

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Q: What is the specific heat of tin if a 55.0-g sample absorbs 982 J of heat to raise its temperature…

A:

Q: A calorimeter is used to measure the heat transferred between objects or in a chemical or physical…

A: ASSUMPTIONS IN CALORIMETRY : 1. no heat is transferred between the calorimeter and the outside…

Q: When a 0.0157 g of a compound with a heat of combustion of -37.6 kJ/mole i burned in a calorimeter,…

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Q: What does "Enthalpy change of a chemical reaction" mean?

A: Enthalpy change of a chemical reaction is defined as the amount of heat released or absorbed in the…

Q: How much heat is involved when 68.0 g of N2 are reacted in the reaction:
2N2(g) + 5O2(g) + 2H2O(l) →…

A: Given, the chemical reaction,2N2(g)+5O2(g)+2H2O(l)→4HNO3(aq)   ; ∆H =-256 kJamount of heat evolved…

Q: If 63.50 g of an unknown metal at 97.6 °C initially produced a resulting temperature of 39.5 °C when…

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: 5. A student combines 20.00 mL of 0.500 M HCI and 20.00 mL of 0.550 M NaOH in a calorimeter. The…

A: Recall the following expression according to Law of calorimetry…

Q: The molar heat of solution for NaOH (s) is -44.6 kJ/mol. If 25.0 g of NaOH (s) is dissolved in water…

A: • Given,                      The molar heat of solution for NaOH (s) is -44.6 kJ/mol. If 25.0 g…

Q: sample of sodium hydroxide dissolved in water, releasing heat to the surrounding water, and causing…

A: According to first law of thermodynmics, the total energy of a system remains constant.if one…

Q: Give an example of a reaction that represents the heat of formation?

A:

Q: 2. A system performs 3.63 kJ of work and gives off 8.98 kJ of heat. What is the change in energy of…

A: To solve this problem we will use First Law of Thermodynamics  .  According to this law  ∆E = q + w…

Q: If 51.44 kJ of heat evolved when 0.180 mol H2O(1) is formed from the combustion of H2(g) and O2(g),…

A: The number of moles of a substance is given as the mass of the substance upon its molar mass.

Q: For the reaction given, answer the following questions. S(s) + O2(g)  SO2(g)      ΔH = -296 kJ/mol…

A: As per the reaction: S + O2 ---> SO2 When 1 mole of S burns, then 296 KJ of heat is evolved. When…

Q: We allow 73 g of oxygen to react with 85 g of ethane.  The reaction is shown below.  Since the heat…

A: Given - Balanced thermodynamical Reaction -  C2H6 (g) + 7/2 O2 (g) → 2 CO2 (g) + 3 H2O (g) ,…

Q: If 20.7 g of C4H1₁0 is burned, how much heat will be produced?

A: The combustion of butane (C4​H10​) involves the reaction with oxygen (O2​) to produce carbon dioxide…

Q: 100 g of a solution (specific heat of 0.32 J/g C) undergoes a reaction in which 74.84 J of heat is…

A: Mass of solution = 100 g Specific heat = 0.32 J/g oC Heat released = 74.84 J

Q: Which of the following describes any heat flow that occurs in a well-sealed coffee cup calorimeter?…

A: In a well sealed coffee cup calorimeter, the energy gained or lost by the surroundings is equal to…

Q: When calculating the heat of reaction why did we have to add C calorimeter   specific heat ?

A: A calorimeter is a device used to determine the quantity of heat involved in the chemical or…

Q: Determine the heat of reaction in calories of 670 g, from the complete combustion of octane

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Q: AU

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Q: 7. 200g of copper is placed in an oven. The hot metal is removed from the oven and quickly added to…

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Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 161.0 g sample…

A: A chemist carefully measures the amount of heat needed to raise the temperature of a 161.0 g sample…

Q: if 11.2 g of H2 (g) (MM = 2.016 g/mol) were to react according to the balanced equation given below,…

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Q: What is the specific heat of a metal with a mass of 14g,heat of 3.45kj and a change in temperature…

A: Heat transfer done during this process,q = mCpΔT Given that,heat, q = 3.45 kJ = 3.45x103 J  mass of…

Q: When 500. mL of acetylene, CaHa, combusts in air at standard temperature and pressure, etermine how…

A: given-volume of acetylene =500mL =0.5Lto find- how many kilocalories of hear is generated.

Q: A 234.66 gram aqueous solution has a specific heat of 4.186 J/gºC. The solution is at 28.1 °C. What…

A: