CH3OH(g)+32O2(g)⟶CO2(g)+2H2O(l)Δ?=−764 kJ   How much methanol, in grams, must be burned to produce 657 kJ of heat? mass:

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A: Heat capacity is the amount of heat required to raise the temperature by one degree Celsius.…

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Q: A scientist measures the standard enthalpy change for the following reaction to be 74.8 kJ: 2HBr(g)…

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Q: Calculate the energy required to heat 120.0 mg of iron from 8.2 °C to 16.6 °C. Assume the specific…

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Q: When methanol, CH,OH, is burned in the presence of oxygen gas, 0,, a large amount of heat energy is…

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Q: Given the thermochemical equation  2 CO2(g) → 2 CO(g) + O2(g) ΔH = 566 kJ  how much energy is…

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Q: Calculate the energy required to heat 1.80 kg of mercury from -5.8 °C to 5.2 °C. Assume the specific…

A: In given question mass of mercury = 1.80 kg = 1800 g    (1kg = 1000g ) specific heat = 0.139 J g-1…

Q: The molar heat capacity of silver is 25.35 J/mol⋅∘C. How much energy would it take to raise the…

A: Recall the data, Molar heat capacity of silver=25.35Jmol °C mass of silver=9.00 g molar mass of…

Q: Calculate the energy required to heat 536.0 g of ethanol from 3.7 °C to 10.2 °C. Assume the specific…

A: From given question there is need to calculate energy required for 536.0 g of ethanol for…

Q: Bunsen burners use methane (CH4). The required amount of heat to make my morning coffee is 109.8 kJ.…

A: The given reaction is as follows: CH4(g) + 2O2(g) → CO2(g) + 2H2O(g)                  ∆H=-802.30 kJ…

Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 0.86kg sample…

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Q: Calculate the energy required to heat 503.0 g of ethanol from 8.3 °C to 19.6 °C. Assume the specific…

A: Mass of ethanol given, M = 503.0 g Specific Heat capacity (c) of ethanol = 2.44 J-g-1-K-1 Change in…

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

A: Required amount of reactant calculation to produce given amount of heat using the given value of…

Q: 4 Fe(s) + 3 O2(g) → 2 Fe2O3(s), ΔH = -1652 kJ (d) How much heat is released when 11.40 g Fe and 2.13…

A: In the given question we have to calculate the heat released during the reaction,  First of all, we…

Q: We drop 100.0 g of metal at 90.0 ∘C into 50.0 g of water at 20.0 ∘C.  The final temperature is 33.5…

A: Given data is as follows: The mass of the metal = 100 g The initial temperature of the metal = 90.0…

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Q: repair crews to weld rails together. -) Ⓡ 2Fe(s) + Al2O3(s) DH rxn= -850 kJ -n, in grams, is formed…

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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: Calculate the energ

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Q: When methanol, CH, OH, is burned in the presence of oxygen gas, O,, a large amount of heat energy is…

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Q: When 2.25 grams of zinc reacts with 75.0 mL of 0.500 M HCl(aq), 5.63 kJ of heat are produced.…

A: The given data - The mass of Zinc = 2.25 The volume of HCl = 75.0 mL The molarity of the HCl = 0.500…

Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 1.36 kg sample…

A: Given: Mass of sampleC4H6O2=1.36 kg T1=48.6οC T2=61.7οC Q=2.79×104 J To find: Molar heat capacity…

Q: The combustion of 0.4683 g naphthalene (C10H8(s); MM = 128.16 g/mol) in a constant volume bomb…

A: Mass of naphthalene = 0.4683 gMolar Mass of naphthalene = 128.16 g/molThe final temperature was…

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Q: A 2.4 kg aluminum engine block heats up to 131.8 °C. Engine coolant at 22.2 °C is added to prevent…

A: By help of Following formula, we can calculate the mass of coolant - M1 C1 ∆T1 = M2 C2 ∆T2 Here, M1…

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

A: The combustion of methanol in the presence of oxygen can be expressed by the following chemical…

Q: Calculate the energy required to heat 1.20kg of ethanol from 5.3°C to 19.4°C. Assume the specific…

A: Q = m . s . (T2 - T1) Where, Q = heat supplied  m = mass substance in g s = specific heat of…

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Q: You can find the amount of heat evolved in the combustion of carbon by carrying out the reaction in…

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Q: Is the dissolving of ammonium chloride an endothermic or exothermic process?

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Q: Calculate the energy required to heat 0.30kg of mercury from −5.1°C to 11.4°C. Assume the specific…

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Q: Below is the chemical eq

A: i)            CH4O(l)    +   3/2  O2 (g) ⟶    CO2 (g) +    2 H2O( l)     △H =−726.8  KJ…

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

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Q: Calculate the energy required to heat 0.40 kg of ammonia from 56.1 °C to 65.4 °C. Assume the…

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Q: When methanol, CH, OH, is burned in the presence of oxygen gas, O,, a large amount of heat energy is…

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Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 1.04 kg sample…

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

A: One mole of methanol react with oxygen and produced one mole of carbon dioxide and two mole of water…

Q: Calculate the energy required to heat 1.80kg of silver from 5.5°C to 19.1°C. Assume the specific…

A: In this question, we will determine the heat ( Q ) in kJ unit and in J unit.  You can see details…

Q: Industrial production of nitric acid, which is used in many products including fertilizers and…

A: GIVEN, chemical reaction :  4 NH3(g) + 5 O2(g) → 4 NO(g) + 6 H2O(g) mass of NH3 = 7.000 x 103 g