When methanol, CH3OH, is burned in the presence of oxygen gas, O2, a large amount of heat energy is released. For this reason, it is often used as a fuel in high performance racing cars. The combustion of methanol has the balanced, thermochemical equation   CH3OH(g)+32O2(g)⟶CO2(g)+2H2O(l)Δ?=−764   How much methanol, in grams, must be burned to produce 861 kJ of heat?

Q: Calculate the energy required to heat 0.40kg of water from 44.4°C to 62.6°C .Assume the specific…

A: Absorbed heat energy is given as,

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: For the following thermochemical equation, CH4(g) + 2O2(g) → CO2(g) + 2H2O(l)        ΔH = –890 kJ…

A: Given reaction: CH4 (g) + 2O2 (g) → CO2 (g) + 2H2O (l). ∆H = -890 kJ. So, 890 kJ of heat is released…

Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 0.60kg sample…

A: Given data :  mass of C9H10O2 = 0.60 kg = 600  g (1 kg = 1000 g)  molar mass of compound = 150.18 g…

Q: Nitromethane (CH3NO2) burns in air to produce significant amounts of heat.…

A: Molar mass of nitromethane = 61.04 g/mol

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

A:

Q: ve the brown gas NO2. When one mole of NO reacts with oxygen, 57.0 kJ of heat are evolved. Which of…

A: In thermodynamics, temperature, heat, and energy changes are observed for every reaction. When heat…

Q: How much heat is produced by the complete combustion of 264 gg of CH4CH4?

A: Given:CH4g+2O2g→CO2g+2 H2Og∆Hrxn°=-802.3 kJ

Q: Deterioration of buildings, bridges, and other structures through the rusting of iron costs millions…

A: The balanced reaction taking place is given as, 4 Fe(s) + 3 O2(g) → 2 Fe2O3(s)…

Q: A bomb calorimeter, or constant volume calorimeter, is a device often used to determine the heat of…

A:

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: Consider the following thermochemical equation for the combustion of acetone, C3H6OC3H6O, the main…

A: The given reaction, C3H6O(l) + 4O2(g)→3CO2(g) + 3H2O(g) Volume of acetone = 183 mL Density of…

Q: Pentaborane, B5H9, was once studied as a potential rocket fuel. Calculate the heat given off  when 1…

A: 2B5H9 + 12O2 ------> 5B2O3 + 9H20  Enthalpy of reaction  = Sum of enthalpies of products-sum of…

Q: A student wishes to measure the enthalpy change of the reaction of magnesium oxide solid (MgO, M=…

A:

Q: heat capacity

A:

Q: The standard heat of combustion of gaseous cyclopentane, C5H10(g), was measured to be −3319.5…

A:

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: Given the following equation, CaO(s) + H2O(l) → Ca(OH)2(s) ΔH°rxn = −64.8 kJ/mol how many grams of…

A: We are given the reaction CaO(s) + H2O(l) → Ca(OH)2(s) ΔH°rxn = −64.8 kJ/mol And we need to…

Q: If a system has 375 kcal of work done to it, and releases 5.00 x 102 kJ of heat into its…

A: Answer:Here:

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

A: Given: Heat energy produced due combustion of methanol = -515 KJ ΔH = -764 KJ/mol Molar mass of…

Q: You performed the displayed reaction in the lab and determined that 336.74 J of heat was released.…

A: The given chemical reaction that has been carried out is given by: NCl3(g) + 3H2 (g) ——> NH3 (g)…

Q: Consider these reactions, where M represents a generic metal. 2 M(s) + 6HCl(aq) → 2 MC1₂ (aq) + 3…

A:

Q: Meals-ready-to-eat (MREs) are military meals that can be heated on a flameless heater. The heat is…

A: Given: The volume of water, (V) = 71 mL The density of water, (d) = 1.0 g/mL The initial temperature…

Q: Magnesium metal reacts with HCl according to the following balanced equation: Mg(s)  +      2 HCl…

A:

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

A: Since from the above reaction we can say that the heat produced by burning 1 mole of methanol is…

Q: Propane is a common fuel used in portable stoves. If a gas canister contains 0.283 dm3 of propane,…

A: Given, C3H8 (g) + 5 O2 (g) ➝ 3 CO2 (g) + 4 H2O (g)              ∆H = -2221KJ/mol Here, (-) sign…

Q: Calculate the energy required to heat 528.0 g of ammonia from 33.8 °C to 52.9 °C. Assume the…

A:

Q: Propane (C3H8) burns according to the following balanced equation: C3H8(g)+5O2(g)→3CO2(g)+4H2O(g)…

A: The given combustion reaction is given below : C3H8(g)  +  5O2(g)  →  3CO2(g)  +  4H2O(g) Given…

Q: Consider the reaction of chlorine with water vapor, H₂O(g) to form hydrogen chloride and oxygen: 1/2…

A: Enthalpy change of a reaction is a state function. If we reverse a chemical reaction than the sign…

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

A:

Q: If this reaction releases 651 kJ651 kJ of energy, how many grams of H2OH2O are formed? Show the…

A:

Q: e enthalpy change

A:

Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 1.03kg sample…

A: Mass of C6H4F2 = 1.03 kg = 1030 g Molecular weight of C6H4F2 = 114.09 g/mol Number of moles of…

Q: Nitromethane (CH3NO2), sometimes used as a fuel in drag racers, burns according to the following…

A:

Q: Below is the chemical equation for the combustion of butane (C4H10).  How many grams of butane are…

A: C4H10(g) + 13/2 O2(g) ⟶4CO2(g) + 5H2O(l)     ΔH=−2877.6 kJ

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 0.30kg of mercury from −5.1°C to 11.4°C. Assume the specific…

A:

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…

A:

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

A:

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

A: First calculate the mole of CH3OH burned and then mass of CH3OH by multiplying by its molar mass.…

Q: Calculate the energy required to heat 899.0g of mercury from −7.3°C to 7.8°C Assume the specific…

A: The given problem can be solved by using the formula as; q=mC∆T…

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: A bomb calorimeter, or constant volume calorimeter, is a device often used to determine the heat of…

A:

Q: Nitric oxide (NO) can be formed from nitrogen, hydrogen and oxygen in two steps. In the first step,…

A: Answer: Enthalpy of reaction is an extensive property, therefore it can be added or subtracted the…

Q: Calculate the energy required to heat  180.0g  of iron from  1.3°C  to  11.2°C . Assume the…

A: The mass of iron sample,   M = 180.0gThe specific heat capacity of iron under these conditions, C =…

Q: The reaction between sodium metal and chlorine gas produces 822 kJ of heat energy for every chlorine…

A: The number of moles of any substance can be obtained by dividing the mass by molar mass which may be…

Q: Calculate the energy required to heat 202.0mg of cyclohexane from 18.4°C to 38.8°C . Assume the…

A: Specific Heat capacity is amount of heat required to increase the temperatures of one gram of…