during the combustion of 200 grams of a gaseous mixture of CO and SO2, 1213.75 kJ of heat are released. Find the composition as a percentage of the mixture

Q: A 2.817 g sample of a new organic material is combusted in a bomb calorimeter. The temperature of…

A: Given, Mass of sample = 2.817 g Temperature increases from 23.97◦C to 29.14◦C Heat capacity of…

Q: A substance increases in temperature by 255°C when a 983g sample of it absorbs 83,200J of heat.…

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Q: how many millimoles of ethanol would need to be burned to generate 8370 joules of energy? the heat…

A: Heat of combustion is defined as the heat released when 1 mole of reactant is combusted. Hence, heat…

Q: When a 13.3 g sample of NaOH(s) dissolves in 380.0 mL water in a coffee cup calorimeter, the…

A:

Q: „(1) + 15 0,(g) → 12 CO,(g) + 6 H,O(1) + 6542 kJ H, is burned and the heat produced from the burning…

A: First calculate heat release in 1 mole of benzene then use mole mole relationship After this…

Q: The reaction 3H2(g) + N2(g) → 2NH3(g) has an enthalpy of reaction of -92.6 kJ/mol. If 2 g of…

A: According to the given balanced chemical equation, one mole of nitrogen reacts to produce 92.6 kJ of…

Q: Formation of carbon dioxide gas from (graphite) and oxygen, yields 393. 5 kJ of heat.

A: To find: The equation for the formation of carbon dioxide gas from  (graphite) and oxygen yields…

Q: How many grams of octane CgH18 must be burned to produce 3.25 X 10" kJ of heat? 2 C3H18 + 13 O2- 16…

A: In this problem, we have to calculate the mass of octane burnt during combustion to provide 3.25×104…

Q: The combustion of hydrogen-oxygen mixtures is used to produce very high temperatures (ca. 2500 °C)…

A: In the given question we have to calculate the quantity of heat evolved in kilojoules when equal…

Q: When determining the heat capacity of the unknown metal we assumed the heat capacity of water has a…

A: When determining the heat capacity of the unknown metal we assumed the heat capacity of the water…

Q: How many kilojoules of heat are released when 38.2 g of CH4 (g) reacts completely with O2 (g) to…

A: mass of CH4 = 38.2 g Chemical reaction - 2CH3OH → 2CH4 + O2                H = +252.8 kJ

Q: The combustion of fuel in a piston cylinder causes an internal energy change of –2.843E3 kJ. The…

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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: Hydrogen gas reacts with oxygen to form water.…

A: Hydrogen reacts with oxygen to form water. The equation for the balanced chemical reaction is as…

Q: The specific heat capacity of benzene (C6H6) is 1.74J/g.K. How much energy is required to heat 168g…

A: Specific heat   Specific heat of a substance is defied as the amount of the heat is used to increase…

Q: Suppose that 0.250 mol of methane, CH4(g), is reacted with 0.400 mol of fluorine, F2(g), forming CF…

A: 0.250 mol  of methane is reacted with 0.400 mol of fluorine.

Q: if the standard heat for hydrogen (H2) is 0, what is the ammount of energy required or released in…

A: Heat of reaction is defined as the heat required or released during a chemical reaction. According…

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: An automobile engine generates 2264 Joules of heat that must be carried away by the cooling system.…

A: According to the first law of thermodynamics, U = Q - W where U represents the change in internal…

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: An automobile engine provides 628 Joules of work to push the pistons. In this process the internal…

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Q: What mass of methane (CH4) must be burned to release 185 kJ of heat? CH4 + 2O2 → CO2 + 2H2O…

A: Number of moles of a substance are calculated by dividing its mass by molarmass which may be…

Q: A chemical reaction is run in which 389 Joules of heat are generated and the internal energy changes…

A: Given  Q = -389 J (heat is generated) ΔU = -55 J Using first law of thermodynamics  ΔU= Q + W  W =…

Q: The amount of energy needed to heat 2.00g of carbon from 50.0C to 80.0C is 42.56J.  The specific…

A:

Q: An automobile engine provides 501 Joules of work to push the pistons. In this process the internal…

A: According to the first law of thermodynamics: ∆U=Q + W where, ∆U=Change in internal energy Q= Heat…

Q: Hydrazine, N2H41), is used in rocket fuels. The thermochemical equation for the combustion of…

A:

Q: Calculate the heat released when 2.00 L of Cl2 (g) with a density of 1.88 g/L reacts with an excess…

A: Given: Volume of chlorine = 2.00L Density = 1.88g/L Temperature = 250C Pressure = 1 atm Molar mass…

Q: 49. When 2.50 g of methane burns in oxygen, 125 kJ of heat is produced. What is the enthalpy of…

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Q: A system receives 425 J of heat and delivers 425 J of work toits surroundings. What is the change in…

A: According to first law of thermodynamics, ∆U = ∆Q - ∆W

Q: A typical room in a house contains 5.10 x 104 L of air (density = 1.29 g/L). How many moles of…

A: Specific heat capacity is the amount of heat that is required to rise a temperature of 1 kg…

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: What mass of natural gas (CH,) must burn to emit 263 kJ of heat? CH4 (9) + 202 (9) → CO2 (g) +…

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Q: What mass of carbon monoxide must be burned to produce 175 kJ of heat under standard state…

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Q: An automobile engine provides 623 Joules of work to push the pistons. In this process the internal…

A: According to the first law of thermodynamics, the energy of the universe remains constant. For a…

Q: The specific heat capacity of a pure substance can be found by dividing the heat needed to change…

A: The specific heat of the substance states that 1.83 Joule of heat is needed for an increase in…

Q: Write the thermochemical equation for: a. Heat energy of 849.0 kJ is absorbed when 2 mol carbon…

A: Thermodynamics is the branch of chemistry that mainly deals with the heat transfer between system…

Q: In order to obtain the largest possible amount of heat from a chemical reaction in which there is a…

A: Endothermic reactions are those reactions where external heat has to be supplied to the reacting…

Q: A system receives 575 J of heat and delivers 425 J of work. Calculate the change in the internal…

A: Given data  The system absorption heat energy= 575 J  The work done by the system = 425 J  Internal…

Q: Calculate the amount of heat released from combustion of 1g of wood. The heat capacity of the bomb…

A: Heat released in combustion is the driving force of a fire, the larger the heat released by 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: "he combustion of fuel in a piston cylinder causes an internal energy change of -2.821E3 kJ. The…

A: According to firstaw of thermodynamics change is internal.energy is sum of heat change and work .

Q: An ideal gas in a cylinder fitted with a piston expands at constant temperature from a pressure of 9…

A: According to the first law of thermodynamics, the energy of the universe remains constant. For 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: What is meant by the term standard conditions with reference to enthalpy changes?

A: Thermodynamic is the branch of chemistry that mainly deals with the heat transfer between system and…

Q: energylost by the Fewill be th the heat enérgy gained by- Mass of water 50.003 g Temperature of…

A: Given that :

Q: How much heat is evolved when 8.89x10° g of ammonia is produced according to the following equation?…

A:

Q: A 35.2-g sample of metal X requires 1251 Jof energy to heat the sample by 25.0 °C.Calculate the…

A: Given information: