For the reaction, A + B → C, AH = +30 kJ; AS = +50 J/K. Therefore the reaction is:

Q: 3. When potassium chloride reacts with oxygen under the right conditions, potassium chlorate is…

A:

Q: An automobile engine provides 581 Joules of work to push the pistons and generates 2167 Joules of…

A: The relationship between change in internal energy (∆E), heat (q) and work done (W) is given by…

Q: From a consideration of the reaction 2NO(g) + O2(g)  2NO2(g) H = 114.1 kJ if 2.00 * 10^2 g of…

A: given mass of NO2 = 2*102 g

Q: tWo steps in thể usual industrial preparation of acrylic acid, the immediate precursor of several…

A: The question is based on Hess law. it  states that net enthalpy change for the reaction remains same…

Q: The lead-acid storage battery is the oldest rechargeable battery in existence. It was invented in…

A: Given that : There are two reactions that take place during the discharge of the lead-acid storage…

Q: 100 J of heat is released by the system and it does 100J of work. Which of the following is true? A.…

A: When energy is released from the system to the surroundings, the sign is negative while it is…

Q: A hot air balloon is being inflated to its full extent by heating the air inside it. In the final…

A: Delta E for the process = 790 kJ

Q: Charcoal is primarily carbon. What mass of CO2CO2 is produced if you burn enough carbon (in the form…

A:

Q: A cylinder contains a gas under constant atmospheric pressure. When 0.384 kJ of heat is added to the…

A: Given that : The amount of heat added to the gas (q) = 0.384 kJ Work done (W) = 553 J

Q: 2. Calculate the molar heat capacity of rhodium, in J/mol.°C, given a specific heat of 0.244…

A:

Q: When 50.00 mL of aqueous HCI was mixed with 50.00 mL of NaOH (in large excess), the temperature of…

A: Given : Volume of HCl solution added = 50.0 mL Volume of NaOH solution added = 50.0 mL Initial…

Q: 22. Write a reaction that corresponds to the Suppose a 50.0 g block of silver (specific heat =…

A: The question is based on the law of conservation of energy. whatever heat lost by hot silver metal…

Q: Consider the reaction. 2 Fe,0, 4 Fe +302 AHixn +824.2 kJ The formation of 58.0 g of Fe results in

A: As per the balanced reaction- Generation of 4 mol Fe requires 824.2 kJ energy. So, Energy absorbed =…

Q: If the reaction of 2.5 g of Ca transfers 487 J of heat to a solution in a calorimeter (i.e. qsoln =…

A: Given : Mass of Ca reacting = 2.5 g And amount of heat transferred to the solution = 487 J Atomic…

Q: In a given gaseous reaction, 72 J of heat is absorbed and AE = -442 J. (a) Calculate w (work). work…

A: First law of thermodynamics  When heat absorbed by a system  Q=∆E+W Q=heat absorbed by a system…

Q: A chemical system produces 155 kJ of heat and does 22 kJ of work. What is ΔE for the surroundings?a)…

A: In order to solve this question, we will use the first law of thermodynamics which states that…

Q: An electric battery is charged by supplying 250 kJ of energy to it as electrical work, but in the…

A: Answer:- This question is answered by using the simple concept of calculation of change in the…

Q: - Hydrogen gas and oxygen gas release 482.6 kJ of heat when they combine to form steam. Is this…

A: Given :  H2 + O2 ---> H2O  Amount of heat released = 482.6 kJ  To determine :-  Whether the…

Q: 2. Calculate the pV work done (in Joules) when a gas expands from 3 L to 8 L against a constant…

A: Given : Initial volume of gas = 3 L  Final volume of gas = 8 L And constant external pressure = 5…

Q: 46.0 g of a mercury alloy is heated from 20.0°C to 105.°C, and absorbs 550. joules of heat in the…

A: q = mc∆T  q is heat , m is Mass , c is specific heat capacity , ∆T is the difference in temperature…

Q: A cylinder contains a gas under constant atmospheric pressure. When 0.434 kJ of heat is added to the…

A:

Q: When 108 g of water at a temperature of 23.1 °C is mixed with 66.1 g of water at an unknown…

A:

Q: Coal can be converted to methane, a chief component of natural gas, according to the following…

A:

Q: Exactly 46.33 kJ of heat is transferred to a 1.389 kg slab of nickel at a temperature of 12.7°C. (a)…

A:

Q: Exactly 46.71 kJ of heat is transferred to a 1.429 kg slab of nickel at a temperature of 12.7°C. (a)…

A: a. The relationship between amount of heat of a substance and mass, specific heat, and change in…

Q: The contents of the closed box in each of the following illustrationsrepresent a system, and the…

A: The points should be kept in mind while solving this problem, Heat absorbed by the system is called…

Q: During an experiment, a student adds 1.23 g Ca0 to 200.0 mL of 0.500 M HCI. The student observes a…

A: Generally the heat released in the reaction is absorbed by the solution and raises the temperature…

Q: Cu(s) + 0.5 0; (g) --> CuO (s) DH - -275 kJ CuO(s) + Cu (s) --> Cu,O (s) DH = +64 kJ Calculate DH…

A:

Q: What is the change in internal energy for a reaction producing 65.0 joules of heat by doing 38.0…

A:

Q: In the recovery of iron from iron ore, the reduction of the ore is actually accomplished by…

A:

Q: In the recovery of iron from iron ore, the reduction of the ore is actually accomplished by…

A:

Q: The highly exothermic thermite reaction, in which aluminum reduces iron(III) oxide to elemental…

A:

Q: Both graphite and diamond burn.C(s, diamond) + O2(g) ⟶ CO2(g)For the conversion of graphite to…

A:

Q: Using the reactions below, determine the enthalpy of the following reaction 1 g S8(s) + 02(g) →…

A: Enthalpy of a chemical reaction can be calculated from the heat of the given reactions.

Q: In a bomb calorimeter containing 800 g of water, 0.8221 g of benzoic acid is burned. During this…

A: mass of benzoic acid burned = 0.8221 g heat of combustion of benzoic acid = - 16.72 KJ/g…

Q: Octane 1C8H182 is a liquid hydrocarbon at room temperature that is a constituent of gasoline.…

A: We have the equation ∆G°=∆H°-T∆S° Where ∆H° is change in enthalpy, ∆G° is change in free energy, T…

Q: A system that does no work but which receives heat from the surroundings ha O q = AU O q = -AU O q 0…

A: Given that : We have to identify which expression fits for a system that does no work but receives…

Q: The AH;° for the reaction FeO() + CO(g)– Fe(s) + CO,(g) is -16.8 kJ. Use this data and the data in…

A: Standard enthalpy of reaction is the difference between standard enthalpies of formation of…

Q: A system undergoes a process consisting of the following two steps: Step 1: The system absorbs 75 J…

A:

Q: Instant hot packs contain a solid and a pouch of water. When the pack is squeezed, the pouch breaks…

A: The reaction is given below.LiCl (s)  -->  Li+(aq) + Cl−(aq)         ΔH=  −36.9kJHeat of reaction…

Q: The reaction between hydrogen and oxygen to yield water vapor has ΔH° = -484 kJ. How much PV work is…

A: Given data,∆H=-484kJMoles of H2=0.50molMoles of O2=0.25mol∆V=-5.6LPressure=1atm

Q: Question 6 of 19 Consider a process where AE is -50 J and 10 J of work was done on the system. What…

A:

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: The value of ΔH0for the reaction is -482 kJ.  What is the heat released to the surroundings when…

A: When two moles of CO reacts with one mole of O2, two moles of CO2 are formed. The amount of heat…

Q: 9. Consider the reaction NH4NO; (s) → NH4+ (aq) + NO3- (aq). When 1.25 g of NH,NO3 dissolves in…

A:

Q: In the recovery of iron from iron ore, the reduction of the ore is actually accomplished by…

A:

Q: When 0.0300L of 0.500 M KOH is mixed with 0.0500 L of 0.300 M HNO3 in a coffee-cup calorimeter, the…

A: Given: Initial temperature of mixture= 18.89∘CFinal  temperature of mixture= 20.20∘CHeat capacity of…

Q: Q1. Describe the change in temperature in diagram A and diagram B. Q2. Interpret AE 0. When do we…

A: In diagram A, the heat energy is released from the system In diagram B, the heat energy is absorbed…

Q: Calculate ΔE for a system that absorbs 506.0  kJ of heat from its surroundings and does 379.0  kJ of…

A: It is a given that a system absorbs 506 kJ of heat and the system does 379 kJ of work on the…

Q: Charcoal is primarily carbon. What mass of CO2 is produced if you burn enough carbon (in the form of…

A: The mass of CO2 produced when 5.4 x 102 kJ of energy is produced is calculated as,