what mass of CH4 (in g) must combust in order to produce 5.46 KJ of energy

Q: How much energy is released during the formation of 98.7 g of Fe according to the reaction below?…

A: Given reaction is :  Fe2O3 (s) + 2Al (s) ----> Al2O3 (s) + 2Fe (s) , ΔHrxn = -852 KJ/mole  How…

Q: 1. A 5.000 g sample of methanol, CH,OH, was combusted in the presenmce of excess oxygen in a bomb…

A: The given data : The mass of methanol = 5.000 g The mass of water = 4000 g The initial temperature…

Q: 8. Hydrazine, N₂H4, is a rocket fuel. Calculate the AH rxn when 1 mole of hydrazine is combusted…

A:

Q: Calcium carbide, CaC2, is manufactured by the reaction of Cao with carbon at a high temperature.…

A: The question is based on the concept of chemical thermodynamics. We have  to identify the type of…

Q: A water bath is used to heat flammable chemicals in the laboratory while avoiding the risk of…

A: Heat is transferred from the higher temperature to lower temperature is called as the thermal energy…

Q: When 1.92 g of iron reacts with 1.80 g of chlorine gas to make iron(II) chloride, 8.60 kJ of heat is…

A: Given, Mass of iron = 1.92 g Mass of chlorine = 1.80 g heat produced = 8.60 kJ

Q: Determine the amount of heat (in kJ) associated with the production of 1.76 × 104 g of NO2 according…

A: Molar mass of nitrogen dioxide is 46 g/mol

Q: Using the enthalpy change of -1594 kJ, what is the amount of heat absorbed or released when 1.10 L…

A:

Q: When a sample of Mg is combusted in a bomb calorimeter, 25.4 kJ of energy as heat is evolved. The…

A: Assuming the final temperature of water and bomb calorimeter in equilibrium is T. Hence the change…

Q: 4. Calculate the heat released when 74.6 grams of SO2 reacts according to the following equation.…

A:

Q: Calculate the energy released per kilogram of CO2 emitted for the following fuel if the amount of…

A: Combustion refers to complete reaction of a substance with molecular oxygen. For hydrocarbons,…

Q: When 1.23g C6H6(l) are burned, 51.5KJ of heat are released.  Calculate the enthalpy for this…

A: Heat of formation of the compound can be calculated from the reaction and enthalpy of the reaction .…

Q: How much energy is released in the formation of 612 g of PCl3 (137.32 g/mol), according to the…

A: From the given reaction we can say that when 4 moles of PCl3 is formed, energy released in the…

Q: Using values from Appendix C in your textbook, calculate the standard enthalpy change when gaseous…

A:

Q: The enthalpy of reaction is −2202.0 kJ/mol. How much energy (in joules) will be released if 61.95…

A: Energy released = number of moles × molar enthalpy of combustion

Q: Using the data given in this question, find the amount of energy needed to break down (decompose)…

A: Energy required = number of moles of Oxygen x ΔH/stoichiometric coefficient of oxygen   Number of…

Q: 2CH3OH(g)→2CH4(g)+O2(g),ΔH=+252.8 kJ   For a given sample of CH3OH, the enthalpy change during the…

A: Given,For a sample of CH3OH, the enthalpy change during the reaction is 82.9 kJ.

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

A: GIven, Mass of Na = 4.595g

Q: te the heat release when 266 grams of white pl

A: Given,  □H = -3013 kJ Mass of P4 = 266 g Moles of P4 = 266/124   = 2.14 mol

Q: when butane (C4H10) in a cigarette lighter undergoes combustion, it evolves 2880 kJ per mole of…

A: When butane (C4H10) in a cigarette lighter undergoes combustion, it evolves 2880 kJ per mole of…

Q: in the reaction, C(s)+O2(g)>CO2(g), how many moles of carbon would need to be burned in order to…

A: Given reaction is: C(s) + O2 (g) → CO2 (g)  +  Q The heat required to be produced, ∆H =500 kJ This…

Q: How much heat is released during the combustion of 1.24 kg of C5H12?

A: Given: 1.24 kg of C5H12 The conversion of kg into g is as follows. 1 kg=1000 g1.24 kg=1240 g

Q: Determine the energy associated with each of these processes in order to recycle 1.26 mol Cu. The…

A: Total energy required = heat required to raise temperature of Cu from 250C to 1084.50C (q1) + heat…

Q: According to the following reaction, how many grams of hydrogen would be needed to produce 5.450 x…

A: In this question, we want to determine the mass of Hydrogen gas in grams unit.  You can see details…

Q: For the highly exothermic reaction H2(g) + 1/2 O2(g) → H2O(g) qrx =DHrx = -242 kJ, What quantity of…

A: Given: no of moles of H2 =17.9molno of moles of O2 = 1.13 molThe reaction is:H2(g) + 1/2 O2(g) →…

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

A:

Q: Iron can be converted to Fe2O3 according to the reaction below. How much heat (in kJ) is required to…

A: Iron can be converted to Fe2O3 according to the given reaction. Amount of heat (in kJ) required to…

Q: What is the theoretical yield of ammonia (in grams) if 16.55 grams of nitrogen gas and 10.15 grams…

A:

Q: According to the equation below, do the products have stronger or weaker bonds than the reactants?…

A: Enthalpy of reaction, ΔHrxn = Enthalpy of formation of products - Enthalpy of formation of reactants…

Q: Hydrazine, N2H4, is a liquid used as a rocket fuel. It reacts with oxygen to yield nitrogen gas and…

A: Atomic mass of N = 14 g/mole, Atomic mass of H = 1 g/mole. So, molar mass of N2H4 = (2×14+4×1)…

Q: What mass of O2 in grams can be produced when 250.0 kJ of heat was supplied? (MM O2 = 32.00 g/mol)…

A:

Q: Consider the combustion of liquid C₅H₈ in oxygen gas to produce carbon dioxide gas and water vapor.…

A: The objective of the question is to find out the quantity in moles of C5H8 that were burned in the…

Q: A piece of molybdenum metal whose mass is 6.87 g is heated to 100.0 °C and then dropped into an ice…

A: The molar heat capacity is the amount of heat required to increase the temperature of one gram…

Q: Determine the amount of heat released when 180.00 g AsBr5(g) reacts according to the following…

A:

Q: How many grams of C5H12 must be burned to heat 1.40 kg of water from 23.4 °C to 91.7 °C?

A: The amount of heat absorbed (or released) by a fixed amount of a substance to change its temperature…

Q: The flame in a torch used to cut metal is produced by burning acetylene (C2H2)(26.04 g/mol) in pure…

A: Given that,One mole of acetylene release heat = 1251 KJMolar mass of acetylene = 26.04g/moleThe…

Q: In a calorimeter, a 2.0 g sample of magnesium is burned to form MgO. In doing so, 25.5 kJ of energy…

A: