how many millimoles of ethanol would need to be burned to generate 8370 joules of energy? the heat combustion of ethanol is -1368 kJ/mol.

Q: If 1101 J of heat is available, what is the mass in grams of iron (specific heat = 0.450 J/g•°C)…

A: HEAT ENERGY: When the atoms present in a compound which can be a solid, liquid or a gaseous molecule…

Q: When octane (C,H3, density = 0.699 g/mL) undergoes complete 18 combustion, it provides energy…

A: Given that, 2 moles of octane release 10932 kJ of energythe density of octane - 0.699 g/mL = 0.699…

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

A:

Q: The number of Calories in food items were originally determined by combusting the food, and…

A: Mass of banana used = 115 g Volume of water taken = 850.0 mL Increase in temperature of water =…

Q: Hydrogen reacts with carbon dioxide to yield water and carbon monoxide according to the equation. Is…

A: H2(g) + CO2(g) -----> CO(g) + H2O(l)  The above reaction is exothermic in nature and enthalpy…

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: Propane (C3H8 readily undergoes combustion. When 1.00 kg of propane is burned, how much heat is…

A: Combustion of propane can be represented as C3H8 (g) + O2 (g) ---------> 3 CO2 (g)  +4 H2O (l)…

Q: Bas. C3H8(g) + 5 02(g) -> 3 CO2(g) + 4 H20(g) AHrxn = -2217 kJ How many grams of O2 gas (molar mass…

A: Given that -  Thermodynamical Reaction is -  C3H8(g) + 5O2(g) ---> 3CO2(g) + 4H2O(g) , ∆Hrxn =…

Q: Consider the combustion of butane: 2C4​H10​(g)+13O2​(g)-->8CO2​(g)+10H2​O(l), ΔHrxn = −2878 kJ/mol…

A: The enthalpy of combustion of a substance indicates the enthalpy change produced as a result of the…

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: A 15.0 gram lead ball at 25.0°C was heated with 40.5 joules of heat. Given the specific heat of lead…

A: The change in temperature of the lead ball can be calculated by equation (1). where q is the heat…

Q: How many moles of H₂ are required to produce -2051 kJ of heat in the following reaction? N₂ (g) + 3…

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

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: how many grams of iron

A:

Q: How do I calculate the specific heat of metal if 1027 joules of energy are needed to raise the…

A: q = m .C . ΔT  WHERE  heat = q = 1027 J  mass of metal = m = 42.9 g specific heat of metal  = C =…

Q: A 22.0 g block of copper at 45'C absorbs 2.50 kJ of heat. Given the specific heat of Cu is 0.385…

A: given :-  mass of Cu = 22.0 g  specific heat of Cu = 0.385 J/g°C  initial temperature = 45 °C  heat…

Q: A home swimming pool contains 165 m3 of water. At the beginning of the swimming season, the water…

A: The amount of heat required is determined by using formula q= m c delta T

Q: How much heat will be released a 4.5 g of CH4 is burned. H= -802kJ/mol

A: Given data,  Mass of CH4 is burned = 4.5 g  Enthalpy , H = - 802 KJ/mol  Molar mass of CH4 = {12 +(4…

Q: Consider the following reaction: N2(g)+O2(g)⟶2NO(g)                                ΔH∘=182.6kJ How…

A:

Q: heat for the combustion of sucrose (table sugar, C12H22O11) is -5,647 kJ for

A: Number of moles = mass/ molar mass  Number of moles of O2 = mass of O2/molar mass of O2

Q: Calculate the total energy when 7.25 grams of ethanol undergoes combustion.

A: Combustion is a process of burning in presence of oxygen. The reaction for the combustion of ethanol…

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: A 534.2 g sample of water is subjected to a temperature change of -67.86 °C. The specific heat…

A: Given,  Mass of water in g = 534.2 g  Change in temperature = ΔT = -67.86 0C  Specific heat capacity…

Q: If 801 J of heat is available, what is the mass in grams of iron (specific heat = 0.45 J/g･°C) that…

A: Q = heat =801 J ΔT = change in temperature = (120 - 22.5) = 97.5 oC c = Specific heat = 0.45 J/goC…

Q: Complete combustion of 1.0 metric ton ofcoal (assuming purecarbon) to gaseous carbon dioxide…

A: 3.3×1010 J = 3.3×107 KJ

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

A:

Q: 1.64 L of hydrochloric acid are mixed with 735 mL of ammonia in a calorimeter. The initial…

A: Solution - According to the question - Given - 1.64 L = 1.64 * 10000 = 1640 ml Total volume = 1640 +…

Q: What are the internal energy changes, ∆E, if a system; (a.) absorbs 67 J of heat and does 67 J…

A: Answer to all the parts are given below.

Q: How many kilojoules of heat are required to raise the temperature of 178 g of aluminum from 13.0˚C…

A:

Q: Water (2290 gg ) is heated until it just begins to boil. If the water absorbs 5.15×105 JJ of heat in…

A: Mass of water = 2290g.Heat absorbed by water = 5.15*105J.Boiling temperature of water =…

Q: A 120 gram sample of gold absorbs absorbs 1.2 kJ of heat. How many much does the temperature of the…

A: Given: Mass of the sample= 120 g Heat absorbed= 1.2 kJ Specific heat capacity of gold= 0.129 To…

Q: A 15.0 gram lead ball at 25.0°C was heated with 40.5 joules of heat. Given the specific heat of lead…

A:

Q: Octane (112.224 g/mol) undergoes combustion to form carbon dioxide gas and water vapor: 2 C8H18 (l)…

A: Given, Octane (112.224 g/mol) undergoes combustion to form carbon dioxide gas and water vapor: 2…

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: How many Joules of energy would be required to heat 35g of water from 23C to 29C?

A: Specific heat capacity of a substance can be defined as the amount of energy required to raise…

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: Consider the reaction B2H6(g) + 3 O2(g) → B2O3(s) + 3 H2O(g) ∆H = -2035 kJ How much heat is…

A: Using the concept of limiting reagent, we can easily find the number of moles of the reaction that…

Q: The combustion of one mole of liquid ethanol, CH3CH2OH,produces 1367 kJ of heat. Calculate how much…

A: The chemical reaction for the combustion of ethanol is represented as:

Q: A home swimming pool contains 155 m3 of water. At the beginning of the swimming season, the water…

A: The joules of heat energy must be supplied can be calculated as,The specific heat of water =…

Q: If 901 J of heat is available, what is the mass in grams of iron (specific heat = 0.450 J/g･°C) that…

A: The amount of heat available is = 901 J The specific heat of iron is = 0.450 J/g.oC The rise in…

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

A: Given  Energy needed for charging = 235 J  Energy wasted as heat = 345 J

Q: If the heat of combustion for a mole of methane (CH) is -2,200 kJ, how  many grams of methane must…

A: The enthalpy of condensation (or heat of condensation) is by definition equal to the enthalpy 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: .A sample of solid sodium was reacted with chlorine gas to give 4.36 g of pure NaCl.  The energy…

A: Heat of formation of a compound is the heat change when one mole of that particular compound formed…

Q: The complete combustion of propane, C3H8 (g), is represented by the following unbalanced equation…

A:

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

A: if 4790J energy absorbed by water that means energy is released by this combustion reaction. And…

Q: When 2 mol of potassium chlorate crystals decompose to potassium chloride crystals and oxygen gas at…

A: A thermochemical equation for a given reaction can be defined as the balanced stoichiometric…

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…

Q: How much energy does it take to heat 15.6 grams of aluminum metal from 25°C to 150.°C? The specific…

A: Mass of Aluminum = 15.6 grams Initial Temperature (Ti) = 25°C Final Temperature (Tf) = 150°C…