For the reaction given in Part A, how much heat is absorbed when 3.30 mol of A reacts' Express your answer to three significant figures and include the appropriate units.

Q: When methanol, CH3OH, is burned in the presence of oxygen gas, O2, a large amount of heat energy is…

A: Molar mass of CH3OH = 32.042 g/mol  Formula used :  Mass of CH3OH = Number of moles of CH3OH X Molar…

Q: 2.14  grams of a mystery substance of food with a molar mass of  167.85  g/mol is burned in a bomb…

A: First we have to fine moles of the food substance, then divide this mole to amount of energy (in kJ)…

Q: When carbon disulfide, CS2, forms from its elements, heat is absorbed. How much heat would be…

A: Number of moles of carbon disulfide = 6.5 moles

Q: The reaction of hydrogen and nitrogen gases produces 5.00 g of ammonia and releases 3250 cal of…

A:

Q: reaction for C,H, is 3) 12 CO, (g) + 6 H,O(1) + 6542 kJ and the heat produced from the burning is…

A: Final Temperature of water = 29.80°C

Q: If 1001 J of heat is available, what is the mass in grams of iron (specific heat = 0.450 J/g･°C)…

A: Given Heat ( Q ) = 1001 Joule  Specific heat ( s ) = 0.450 Joule/gram℃  Initial temperature ( T1 ) =…

Q: The complete combustion of a small wooden match produces approximately 512 cal of heat. How many…

A: Given, The approximate amount of heat produced by the combustion of a small wooden match = 512 cal…

Q: A calorimeter is used to measure the heat absorbed or released in a chemical .1 or physical process…

A:

Q: In a similar study, a student determines that a sample of water in a calorimeter absorbs 80.5…

A: The heat absorbed by the water will be equal to the heat released by zinc.

Q: What is the heat of reaction and what is the difference between an endothermic and an exothermic…

A: The energy released or absorbed during a  chemical reaction is termed as the heat of reaction or…

Q: 1. Consider the combustion of liquid C₅H₈ in oxygen gas to produce carbon dioxide gas and water…

A: #1: Liquid C5H8 undergoes complete oxidation to form CO2(g) and H2O(g) as products. Hence C5H8(l)…

Q: what is ΔHcond for this substance?

A:

Q: How many grams of C6H6 must decompose according to the chemical equation to transfer heat 430 J of…

A: The decomposition reaction is, 1 mole of reactant is decomposing and transfers 630Kj of heat or (63…

Q: 124 kJ of heat is absorbed in a reaction that forms nitric oxide from nitrogen and oxygen, what mass…

A: The mass of NO produced = 41.3478 g  The mass of N2 reacted = 19.2984 g

Q: How much heat is evolved when 453.5 g of ammonia (NH3) is produced according to the following…

A: Given Reaction is - N2 (g) + 3H2 (g) → 2NH3 (g)                  ΔH= -91.8 kJ

Q: How much heat energy in joules is gained by water with a mass of 491 g, and a temperature change of…

A:

Q: How many kilojoules of heat are absorbed when 40.7 g of MgO(s) is decomposed into Mg(s) and O2(g) a…

A: The reaction given is, => 2 Mg (s) + O2 (g) ------> 2 MgO (s)                          ΔH =…

Q: How much heat is produced by the complete reaction of 3.43 kg of nitromethane? Express your answer…

A:

Q: Based on the balanced thermochemical equation: 4 NO + 6 H2O → 4 NH3 + 5 O2   ΔH = +(8.880x10^2) kJ…

A: Given, 4 NO + 6 H2O → 4 NH3 + 5 O2   ΔH = +(8.880x102) kJ mass (in grams) of H2O are required to…

Q: If 10.27 kJ of heat is given off when 51.93 g of unknown acid condenses from vapor to liquid, what…

A: Condensation is a process of conversion of vapor to liquid. Enthalpy of condensation is the enthalpy…

Q: Acetylene C2H2 gas is often used in welding torches because of the very high heat produced when it…

A: The balanced chemical equation for the combustion of acetylene can be written as: 2 mol of…

Q: How much heat (in kilocalories) is released from the combustion of 5.00 g of ethanol?

A: The mass of ethanol given = 5.00 g The standard specific heat of combustion of ethanol is Hc = 7.1…

Q: If 427 J of enesgy is indirectly converted to chemical energy, which is then converted to mechanical…

A: According to the law of conservation of energy the, the energy can never be created nor be destroyed…

Q: Enter your answer in the provided box. The combustion of how many moles of ethane (C,H) would be…

A:

Q: A home swimming pool contains 15 m3 of water. At the beginning of the swimming season, the water…

A: Volume of water = 15 m3Density of water = 1000 kg/m3Mass of water = volume x density = (15 m3) x…

Q: One mole nitrogen oxide, NO, reacts with oxygen gas to produce a brown gas, NO2. a. How many moles…

A: The standard enthalpy of reaction (∆Hr) is calculated as the difference of the sum of enthalpies of…

Q: If the mass of a truck is tripled-for example, when it is loaded-by what factor does the kinetic…

A: 1) mass is tripled  2) mass becomes one fifth

Q: Consider the reaction: C3Hg(g) +5 02(9) 3 CO(9) + 4 H20(g), where AH= -531 kcal/mol. How much heat…

A:

Q: What mass (in grams) of Si(s) must react with excess F2 to produce 2,509 kJ of heat given the…

A:

Q: Hydrogen sulfide, H2S, is produced during decomposition of organic matter. When 0.6850 mol H2S burns…

A:

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

A: According to the policies, we can only answer first 3 subparts of a question at one time. You have…

Q: Hydrogen sulfide, H2 S, is produced during decomposition of organic matter. When 0.4300 mol H2S…

A:

Q: Chargers for cell phones get warm while they are being used. Some of the energy that they are using…

A: The solution is given below -

Q: Heat produced by combustion of a 3.000 g food sample was –9643J. How much heat, in Joules, was…

A:

Q: A gas sample does 214 J of work upon expanding and the cools, losing 34 J of heat. What is the total…

A: The first law of thermodynamics is given asΔU=Q−W, Δ U = Q − W , whereΔU is the change in internal…

Q: Hydrogen sulfide is produced during the decomposition of organic matter. When 0.5380 mol H2S burns…

A: Given: H2S burns to produce SO2(g) and H2O(g) with heat release of -278.7 kJ

Q: 900 J of heat are added to a system and 200 J of work are done on the system. What is ∆E?

A: For this problem We have to find the change in internal energy for the given condition.

Q: rogen sulfide, H2S, is produced during decomposition of organic matter. When 0.4190 mo H2S burns to…

A: Given, Heat released = -217.0 KJ

Q: how much heat (in kJ) is released

A: Given :- CH4(g) + 2O2(g) ---> CO2(g) + 2H2O(g).     ∆H°= -802 kJ/mol  Number of moles of CH4 =…

Q: The reaction of methane(g) with water(g) to form hydrogen(g) and carbon monoxide(g) proceeds as…

A:

Q: How many kilojoules of heat are produced when 34.0 g of Fe2O3 reacts with an excess of CO according…

A: In this question, we want to determine the value of heat produced in kJ unit. How we can determine,…

Q: Which of the following is NOT true about Hess's Law? A. If an equation is reversed, the sign of…

A: The Hess's law the total enthalpy change of a complete chemical reaction is the same regardless of…

Q: If 901 J of heat is available, what is the mass in grams of iron (specific heat = 0.45 J/g･°C) that…

A: Given data: Heat = 901 J Specific heat = 0.45 J/g.℃ Initial temperature = 22.5 ℃ Final temperature =…

Q: An automobile engine provides 570 Joules of work to push the pistons. In this process the internal…

A: The relationship between the q and internal energy change and work is given by  ΔE = q + w where ΔE…

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

A: The enthalpy of formation of C5H8 is calculated by using standard data of enthalpy formation values.…

Q: Acetylene  C2H2  gas is often used in welding torches because of the very high heat produced when…

A: Acetylene gas reacts with oxygen to produce carbon dioxide gas and water vapor. The following…

Q: The combustion of one mole of benzene, C6H6, in oxygen liberates 3268 kJ of heat. The products of…

A: Given,  The combustion of one mole of benzene, C6H6, in oxygen liberates 3268 kJ of heat  The…

Q: Hydrogen sulfide, H2S, is produced during decomposition of organic matter. When 0.3620 mol H2S burns…

A: Given :-  H2S (g) + O2 (g) → SO2 (g) + H2O (g)  ∆H = -187.5 kJ  To calculate :-  Given heat into…

Q: Heat energy of 566.0 kJ is absorbed when 2 mol carbon dioxide decomposes to carbon monoxide and…

A: A chemical equation represents the chemical change taking place in the reaction. The reactants…