C. How many grams of methane must react to produce 5.15kJ of heat? d. How much heat is released when 5.50L of oxygen is reacted with methane at STP? 1 mole of oxygen will occupy 22.4L at STP (standard temperature (0°C) and standard pressure (1atm)).

Q: 1. Calculate the amount of heat released during the combustion of 100 g of C3H60. (1 mole of CyHg0…

A: Given: Mass of C3H6O combusted = 100 g. And 1 mole of C3H6O releases 1790 KJ amount of heat on…

Q: d) How much carbon dioxide must be produced to release 7580 kJ of heat under standard conditions? e)…

A: The above reaction is an example of exothermic combustion reaction where carbon dioxide and water…

Q: etermine the amount of heat (in kJ) given off when 1.86 x 10ª g of NOz are produced ccording to the…

A: Given, Mass of NO2 = 1.86 x 104 g  ∆H = -114.6 KJ/mol Molar mass of N = 14 g/mol Molar Mass of O =…

Q: How much heat is released by burning 32g of CH4? CH4(g) + 2O2 → CO2(g) + 2H2O(l)  ΔH=-891kJ

A: Given, CH4(g) + 2O2 → CO2(g) + 2H2O(l)   ΔH= -891kJ Note: (-) negative sign indicate the release of…

Q: C2H4 (g) +3 02 (g) 2 CO2 (g) + 2 H20 (e) Standard enthalpies of formation of CO, (g) and H,0 (e) are…

A:

Q: Using the balanced equation shown below, calculate the mass of C3H8 that must react in order to…

A: According to the given reaction, the combustion of one mole of C3H8 releases 2219.9 kJ of heat. One…

Q: C4H10(g) + 1302(g) → 8CO2(g) + 10H2O(1), AH°rxn=-5814 kJ/mol. Low many grams of CO2 are generated…

A: The above reaction is an exothermic reaction and enthalpy of reaction is -5814 kJ/mol.

Q: The following equation indicates that when 1 mole of carbon burns completely in air or oxygen 393 kJ…

A: Given  ∆H = - 393 KJ  Heat evolved on complete combustion of 19 mole of C and 18 gram of Carbon = ?…

Q: Sucrose, C12H»011 is oxidized in the body by O2 via a complex set of reactions that ultimately…

A:

Q: When a 0.0157 g of a compound with a heat of combustion of -37.6 kJ/mole i burned in a calorimeter,…

A:

Q: A 12.40 gram sample is heated to an initial temperature of 50 oC. The sample is then placed in a…

A:

Q: 0.001 moles of methane are converted to methanol and all of the heat transferred to 1 L of water,…

A: The amount of heat required to increase the temperature of one kilo gram of a substance by one…

Q: Suppose a boil water notice is sent out advising all residents in the area to boil their water…

A: Given: Volume of water to be boiled = 17.0 L = 17000 mL…

Q: If 40.0 kJ of energy is absorbed by 500.0 g of water at 10.0 °C, then what is final temperature of…

A: Record the given data, Heat absorbed (q) is 40.0 kJ which is equal to 4 x 103 J. Mass of the water…

Q: Propane, C3H8(g), is used in many instances to produce heat by burning: C3H8(g) + 5O2(g) → 3CO2(g)…

A: Given :-  C3H8(g) + 5O2(g) → 3CO2(g) + 4H2O(l)      ΔH = -2220. kJ  To calculate :-  Mass of O2…

Q: A 5.35 g sample of an unknown salt (MM = 116.82 g/mol) is dissolved in 150.00 g water in a coffee…

A: The total mass inside the calorimeter in grams = mass of salt + mass of water…

Q: When 47.1 J of heat is added to 13.2 g of a liquid, its temperature rises by 1.75 ° C. You may want…

A: The heat capacity of a substance is defined as the heat required to raise the temperature of one…

Q: .110. Suppose that there is 2.43 mol of nitrogen gas in an insulated, sealed 31.7-L container…

A: solution

Q: Which is correct about low calorific value? a. The total amount of heat produced includes the heat…

A: Given, Four statements are given regarding to low calorific value       Required,…

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: Among the substances that react with oxygen and that have been considered as potential rocket fuels…

A: Standard enthalpy change is defined as the heat absorbed or released by the system during chemical…

Q: if 124 KJ of heat is absorbed in a reaction that forms nitric oxide from nitrogen and oxygen what…

A: The following information given in the question - The heat absorbed for NO produced = 124 kJ   The…

Q: A gas company in Massachusetts charges $2.70for 15.0 ft3 of natural gas (CH4) measured at 20.0°C and…

A: GIVEN: Charge for methane gas  = $2.70for 15.0 ft3 Volume of water= 2.00× 102 mL =0.2 L = 200g…

Q: Methanol, CH30H (molar mass: 32.042 g/mol), reacts with O2 and can be used as fuel according to the…

A: ∆Hrxn is amount of enthalpy change for formation of one mole of substance from its constituent…

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

A:

Q: 45. How much heat is produced by burning 4.00 moles of acetylene under standard state conditions?

A: Combustion is an exothermic reaction.  The balanced chemical equation for the combustion of…

Q: How much heat is needed to heat up 36 kg of hydrogen gas from 12.0C to 48.0C?

A: The specific heat capacity for a given chemical substance or a solution refers to the amount of the…

Q: Methyl alcohol (CH3OH) is also known as wood alcohol and can be used as fuel. When one mole of…

A:

Q: How many kilojoules of heat are released when 0.72 moles of oxygen gas are used to combust methane?…

A: This is an exothermic reaction as heats are released in this reaction.

Q: A sample of granite with a mass of 153.0 g is heated to a temperature of 228.0oC and placed in a…

A: To calculate the mass of water, following formula should be used. Q = mc (T2-T1) Where m is the mass…

Q: 2. What mass of methane (CH4(g) + O₂(g) AH°rxn-890kJ/mol CO2(g) + H₂O(g) must be burned to release…

A: Given, CH4(g) + O2(g) ----> CO2(g) + H2O(g) ∆H°rxn = -890 kJ/mol mass of methane (CH4) must burn…

Q: 30 What mass of oxygen must react with methane to produce 200 KJ of heat? AH° --890KJ CHA+ 20ze) COe…

A: Mass of oxygen used for the reaction is 7.1901 g.   Note: The correct answer is not there in given…

Q: There is Ne gas in vessel A, and methane (CH4) gas in vessel B. The moles of gases are equal. Equal…

A: Introduction: Ideal gases are the theoretical assumption which follows all the gas laws at certain…

Q: How much heat is generated from burning 3 moles of methane.

A: The combustion reaction of methane will produce carbon dioxide and water as per the reaction CH4 (g)…

Q: A coffee-cup calorimeter contains 125.0 mL of 0.275M HCl at 20.1oC.  When 1.82g of Zinc is added,…

A: Given, T1 = 20.1∘C Heat capacity of HCl = 4.184Jmol∘C Amount of Zn = m2 = 1.84g T2 = 30.1∘C

Q: A certain chemical reaction releases 368.kJ of heat energy per mole of reactant consumed. Suppose…

A: In case of a calorimeter we can relate the heat change of a system to the product of thenumber of…

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: Among the substances that react with oxygen and that have been considered as potential rocket fuels…

A: The balanced equations for all the rocket fuels are,…

Q: C3H3 (g) + 5 02 (g) 3 CO2 (g) + 4 H20 (8) The standard enthalpies of formation of CO2 (g) and H20…

A: Given :  ∆fH°(CO2) = -4.00 x 102 KJ/mole  ∆fH°(H2O) = -2.90 x 102 KJ/mole  Volume of CO2 formed =…

Q: Acetylene, C,H2, is used in welding torches. It releases a lot of energy when burned in oxygen. The…

A:

Q: How many moles of Hz are required to produce-3751 kJ of heat in the following reaction? N: (g) +3 H2…

A: For the given reaction: N2(g)+3H2(g)→2NH3(g) ∆H°=-91.8 kJ/mol That is 3 moles of H2 are required to…

Q: How many moles of natural gas (CH,) must burn to emit 273 kJ of heat? CH4(9) + 202(9) → CO2(9) +…

A:

Q: When one mole of C6H6 is burned, 3.27 MJ of heat is produced. When the heat from burning 6.57 g of…

A:

Q: A certain chemical reaction releases 269. kJ of heat energy per mole of reactant consumed. Suppose…

A: Given the enthalpy of the reaction is 269. kJ/mol The required conversion factor from the enthalpy…

Q: How many grams of methanol must be combusted to raise the temperature of 407 g of water from 13.5°C…

A: You have amount of water, m = 407 g Initial temp = 13.5 oC Final temp = 49.98 oC dT = 49.98 - 13.5 =…

Q: An ideal gas in a cylinder fitted with a piston expands at constant temperature from a pressure of 4…

A:

Q: Consider the combustion of butane: 2 C4H10 (g) + 13 O2 (g) ⟶ 8 CO2 (g) + 10 H2O (l) ∆Hrxn = −2878…

A: Butane reacts with oxygen to form carbon dioxide and water. The equation for the balanced chemical…

Q: Suppose a boil water notice is sent out advising all residents in the area to boil their water…

A:

Photochemistry

Photochemistry is the part of chemistry that studies the various mechanisms of reactions that are triggered by the presence of light energy. It also helps to study the changes involved in a molecule that can undergo the absorption of radiation.