Acetylene (C,H,) gas is often used in welding torches because of the very high heat produced when it reacts with oxygen (0,) gas, producing carbon dioxide gas and water vapor. Calculate the moles of oxygen needed to produce 1.30 mol of water. Be sure your answer has a unit symbol, if necessary, and round it to 3 significant digits. olo 4

Q: Acetylene (C₂H₂) gas is often used in welding torches because of the very high heat produced when it…

A: Answer: This question is based on the stoichiometry of combustion reaction of acetylene where it is…

Q: gram of gasoline produces 45.0 kJ of energy when burned. Gasoline has a density of 0.77 g/mL. How…

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Q: Acetylene (C,H,) gas is often used in welding torches because of the very high heat produced when it…

A: We have to calculate the mole of acetylene needed.

Q: 2.14  grams of a mystery substance of food with a molar mass of  167.85  g/mol is burned in a bomb…

A: First we have to fine moles of the food substance, then divide this mole to amount of energy (in kJ)…

Q: A gram of gasoline produces 45.0 kJ of energy when burned. Gasoline has a density of 0.77 g/mL. How…

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Q: Octane (C8H18) is a chemical compound in gasoline. When gasoline burns, the octane reacts with…

A: Octane (C8H18) is a chemical compound in gasoline. When gasoline burns, the octane reacts with…

Q: ) Listen Which one of the following is an endothermic process? Freezing water O Condensation of…

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Q: Given the specific heat of lead is 0.129 J/g.C and that it takes 93.4J of energy to heat a sample of…

A: Specific heat It is amount  of heat required to change the temperature of a substance by 1 Degree of…

Q: For this experiment, 16.55 grams of nitrogen gas and 10.15 grams of hydrogen gas are allowed to…

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Q: 1) Na 1, Acetone 2) Na* Ng, THF 0 °C 85% H3PO4. OH H20, heat

A: i)  Nucleophilic substitution biomolecular reaction (SN2):The bimolecular nucleophilic substitution…

Q: Methane, CH4, is a major component of marsh gas. When 0.5000 mol methane burns to produce carbon…

A: Given : Heat = -445.1 KJ

Q: 1 4 Acetylene (CH, gas is often used in welding torches because of the very high heat produced when…

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Q: what is ΔHcond for this substance?

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Q: Sodium (Na) metal undergoes a chemical reaction with chlorine (Cl) gas to yield sodium chloride, or…

A: 1 cal = 4.184 J Na + 0.5 Cl2  -----> NaCl + heat Heat released by reaction of 1.00 g of sodium =…

Q: Acetylene (C,H, gas is often used in welding torches because of the very high heat produced when it…

A:

Q: When acetone, CH,COCH), is completely burned to carbon díoxide and liquid of formation, AHe, for…

A: Standard heat of formation of CO2 (ΔHfo) = -393.5 KJ/mol. Standard heat of formation of H2O (ΔHfo)…

Q: Acetylene C2H2 gas is often used in welding torches because of the very high heat produced when it…

A: The balanced chemical equation for the combustion of acetylene can be written as: 2 mol of…

Q: For this question, is this an endothermic or exothermic reaction? I am confused at the part where…

A: We will use first law of thermodynamics

Q: Acetylene (CH.) gas is often used in welding torches because of the very high heat produced when it…

A:

Q: important flavor component of vanilla extract is vanillin C8H8O3 molar mass = 152.15 g/mol when…

A: Heat release by combustion = heat gain by calorimeter

Q: Acetylene  C2H2  gas is often used in welding torches because of the very high heat produced when…

A:

Q: How much heat is released when a mixture containing 10.00 g NH3 and 20.00 g O₂ reacts according to…

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Q: Acetylene C2H2 gas is often used in welding torches because of the very high heat produced when it…

A: • Acetylene ⇒ C2H2   Oxygen ⇒ O2   Carbon Dioxide ⇒ H2O   Water ⇒ H2O1 C2H2 + 52 O2 → 2 CO2 + 1 H2O2…

Q: Acetylene (C,H, gas is often used in welding torches because of the very high heat produced when it…

A: Mole is the amount of the substance that contains the same number of particles or atoms or…

Q: Is a burning candle an endothermic or exothermic reaction?

A: Exothermic reaction in which heat is released and endothermic reaction in which heat is gained In…

Q: Acetylene (C,H, gas is often used in welding torches because of the very high heat produced when it…

A: Given: Acetylene gas reacts with oxygen gas to produce carbon dioxide gas and water vapor. We have…

Q: Acetylene (C,H,) gas is often used in welding torches because of the very high heat produced when it…

A:

Q: A student performs the Determining the Heat of Fusion of Water experiment and obtains the following…

A: The steps involved in determining the mass of ice that has melted are: Step 1: Determination of mass…

Q: Which of the following correctly states the purpose of the Calorimetry experiment? (Experiment 1) To…

A: Applying concept of calorimetry.

Q: Calorimetry measures the heat transfer for chemical reactions. Find two foods n your house that you…

A: Mass of food = 2 g  Volume = 5L

Q: 2. For each of the following experimental errors clearly state if the error would increase,…

A: Specific heat : It is the quantity of heat required to raise the temperature of one gram of any…

Q: A chemist measures the energy change AH during the following reaction: Cl,(9)+H,(g) → 2 HC(g)…

A: Answer given as follows

Q: It takes 572  kJ  of energy to decompose 2.00  mol  of liquid water. How much energy does it take to…

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Q: What is the kinetic energy of a 63.4 gram bullet moving at a velocity of 318 meters per second?…

A: Given values are, Mass ,m =63.4 g =0.0634 kg Velocity,v= 318 m/s

Q: ded för this question. In the laboratory a "coffee cup" calorimeter, or constant pressure…

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Q: 1.  The rusting of iron is due to its reaction with oxygen. An iron nail weighing 8.531 g was left…

A: The balanced chemical equation for rusting of iron is given by

Q: Acetylene  C2H2  gas is often used in welding torches because of the very high heat produced when…

A: Given: Moles of H2O formed, nH2O = 0.050 molWe know thebalanced reaction of burning of Acetylene…

Q: After performing the experiment related with calorimeter, we observed Temperature of hot water is 49…

A: The water equivalent of a calorimeter is defined as the mass of water that will absorb or lose as…

Q: Hydrogen sulfide is produced during the decomposition of organic matter. When 0.5380 mol H2S burns…

A: Given: H2S burns to produce SO2(g) and H2O(g) with heat release of -278.7 kJ

Q: Acetylene (C2H2) gas is often used in welding torches because of the very high heat produced when it…

A: The reaction of acetylene with oxygen gas that produces carbon dioxide gas and water vapour can be…

Q: Calculate the moles of acetylene needed to produce 0.060 of carbon dioxide

A: Given :- number of moles of CO2 = 0.060 mol  To calculate :- number of moles of C2H2 required.

Q: ergy is given off by the

A: The balanced chemical reaction,  4NH3 + 3O2 ----->  2N2 + 6H2O □H = -1225.6 kJ Mass of NH3 =…

Q: Acetylene (C,H,2) gas is often used in welding torches because the very high heat produced when it…

A: The number of moles for a given chemical species refers to the ratio of mass of the species to that…

Q: ΔHcond

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Q: Alexia determined the mass of her empty Styrofoam cup calorimeter was 1.4528 g. She then added…

A: By mass conservation : Mass of water in Alexia's cup = mass of cup + water - mass of empty cup…

Q: Calculate the moles of oxygen needed to produce 0.800 mol of carbon dioxide.

A: Given :- number if moles of CO2 = 0.800 mol  To calculate :-  number of moles of O2 required.

Q: Acetylene  C2H2  gas is often used in welding torches because of the very high heat produced when…

A: Acetylene gas reacts with oxygen to produce carbon dioxide gas and water vapor. The following…

Q: Acetylene (C,H, gas is often used in welding torches because of the very high heat produced when it…

A:

Q: The heat of combustion of isobutane, CH(CH3)3, is -2869. kJ/mol of isobutane. If a calorimeter…

A:

Q: Alexia determined the mass of her empty Styrofoam cup calorimeter was 1.0698 g. She then added…

A: Mass of empty styrofoam cup calorimeter is 1.0698 g and combined mass of cup + water is 33.2191 g We…