Write the thermochemical equation of one mole of nitrogen gas, N2 reacts with oxygen gas, O2, two moles of nitric oxide is formed. In the process, 180.5 kJ of heat is required.

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

A: Given data, Mass of Na=1.416gEnergy produced for the given reaction=822kJ

Q: What is the specific heat of tin if a 55.0-g sample absorbs 982 J of heat to raise its temperature…

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Q: 2 X+ Y2Z3 →2 Y+ X2Z3, AH = -325 kJ/mol Given the equation above how many kilojoules of heat are…

A: Given that: 2X + Y2Z3    ----->  2Y + X2Z3     ∆H = -325 kJ/mol

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: 2 moles of potassium metal reacts with liquid water to produce solid potassium hydroxide, hydrogen…

A: 2K + 2H2O →2KOH + H2  Given that ∆H = - 162.4 kJ/mol For 2 mol of potassium metal (K) , ∆H = 2 mol x…

Q: What is heat? How does heat differ from thermal energy? Under what conditions is heat transferred…

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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: If 890 kJ is released during the combustion of 1 mol of methane, what is the heat of reaction if…

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Q: How much heat is required to raise the temperature of 250.0 g of lead by 52 degrees C?

A: We have given that  mass of lead = m =250g ∆T = 52°C specific heat for lead = C = 0.16 J/g°C To find…

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: If 25.0 kJ of heat are given off when 2.9 g of HCl condenses from vapor to liquid, what is AHcond…

A: Given that: HCl(g) ...> HCl(l) dH = -25.0KJ upon 2.9 g of HCl

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: Write the chemical reaction used to determine the heat of formation for the following substance:…

A: The chemical reaction  used to determine the heat of formation of sodium bicarbonate is given as,

Q: 2. How much heat, in joules, is required to raise the temperature of 1.82 Kg of water by 3.32°C?

A: Rise in Temperature (∆T) =3.32 °C  Mass of water (m) = 1.82 kg = 1.82 × 103 g Heat (q) =?

Q: According to the following thermochemical equation, what mass of HF (in g) must react in order to…

A: The given reaction is, SiO2s+4HFg→SiF4g+2H2Ol

Q: Magnesium burns in air to produce a bright light and is often used in fireworks displays. The…

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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: When 1 mol of KBr(s) decomposes to its elements, 394 kJ of heat is absorbed. (a) Write a balanced…

A: The thermochemical equation is that which explains the chemical reaction in terms of enthalpy…

Q: From the given chemical equation, solve for the heat evolved (in k]) when 78.96 g of carbon dioxide…

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Q: How much heat is required to raise the temperature of 125 grams of water by 10.0 degrees C?

A: Answer The quantity of heat required to raise the temperature of 125 g of water by 10.0°C is 5230 J.…

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: The thermochemical equation showing the formation of ammonia (NH3) from its elements is: N2 (g) + 3…

A: a. Lost to the surroundings when one mole of hydrogen is used up in the reaction. b. Absorbed from…

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

A: The balanced reaction taking place is given as, => 2 Na (s) + Cl2 (g) -----> 2 NaCl (s)…

Q: How much would the temperature of a 61.9 gram sample of grain alcohol increase if it absorbs 305…

A: Given the mass of alcohol is 6.19 grams heat energy Q=305 Joules Suppose the alcohol is ethanol ( As…

Q: 3. 842 J of works was done for a gas to be compressed. At the same time, it releases 451 J of heat.…

A: Given -> Work = +842 J ( work done on the system) Q = -451 J ( heat released)

Q: Consider the balanced chemical equation: 2Al(s) + Fe2O3(s) -> 2Fe(s) + Al2O3(s) heat of reaction =…

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Q: The standard enthalpy of formation of hydrogen chloride gas, HCI(g) is -92.31 kJ/mol. Write the…

A: The objective of the question is to write the thermochemical equation to represent formation of…

Q: 105 The heat change that accompanies the formation of 1.00 mol of carbon dioxide from its elements…

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Q: en the thermochemical equation : O2(g) + O₂(g) Ⓡ2SO3(g), DH rxn= -198 kJ/mol, w much heat is evolved…

A: Given: 2SO2(g)+O2(g)→2SO3(g)   ∆Horxn=-198 kJ/mol Mass of SO2 is 600 g To find: Heat evolved

Q: When the fuel mixture contained in a 1.51 L tank, stored at 746 Torr and 298 K, undergoes complete…

A: Volume of container = 1.5 L                    Pressure = 740 torr…

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

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Q: 1. The thermochemical equation showing the formation of ammonia, NH, from its elements is Nalg) +…

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Q: How many moles of H, are required to produce -4551 kJ of heat in the following reaction? N, (g) + 3…

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Q: How much heat will be absorbed when 13.7 g of nitrogen reacts with excess O2 according to the…

A: The reaction given is, => N2 + O2 → 2 NO                        ∆H = +180 KJ. Given: Mass of N2…

Q: 112. The thermochemical equation for the combustion of methanol is CH3OH (g) + 3/2 O2(g) → CO2(g)…

A: The chemical reaction of the combustion of methanol is CH3OH (g) + 3/2 O2(g) → CO2(g) + 2 H2O(l) ΔH…

Q: Consider the hypothetical thermochemical equation 3 A+ B 2 C for which AH = 59.3 kJ/mol. %3D If the…

A: Ans

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: What is specific heat? Write the specific heat of water. What is the standard enthalpy?

A: Specific heat and standard enthalpy are related to the concept of thermodynamics. Heat is also known…

Q: How much heat is released in kJ when 2.50 mol of O2 reacts completely with methane?

A: The combustion of methane reaction is given as: CH4(g) + 2O2 (g) → CO2 (g) + 2H2O (l)   ΔH = −890.3…

Q: How much heat is required to raise the temperature of 854 g of H2O from 23.5 °C to 85.0 °C?

A: 4.  Given :  Mass of H2O = 854 g  Initial temperature = 23.5 °C  Final temperature = 85.0 °C  To…

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: Consider the hypothetical thermochemical equation 3 A + B → 2 C for which ΔH = 63.1 kJ/mol. If the…

A: 3A + B -> 2C

Q: A new substance evolves (-1.64) kJ of heat when 17.15 g it cools from 106.2oC to 23.8oC. What is the…

A: Given :-  Heat (q) = -1.64 kJ  mass of substance = 17.15 g  Initial temperature = 106.2 °C  Final…

Q: When one mole of ethylene gas, C2H4, reacts with fluorine gas, hydrogen fluoride and carbon…

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Q: 1. Write the thermochemical equation for the following reactions that occur at constant pressure:…

A: The chemical equation is aid to be the thermochemical equation which gives the information about the…

Q: When 7.59 grams of ice at space minus 20 C have absorbed 2500 calories of heat, what is the…

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Q: Write the thermochemical equation for the following reaction that occur at constant pressure. 1.)…

A: The thermochemical reaction is a balanced chemical reaction involving the energy absorbed or…