Methane reacts with oxygen at constant pressure CH4 (g) + 2O2 (g) → 2H2O (l) + CO2 (g) DH = -890 kJ / mol Is this an exothermic or endothermic reaction? (basically answer) Will change in inner energy, YOU be greater or smaller than DH? (basically answer) How much heat is transferred when 4.50 g of methane reacts?

Q: Question 9 Determine the enthalpy change, AH, in kJ, for the following reaction: CS2 (1) + 302 (g)…

A: The question is based on Hess law.   it  states that net enthalpy change for the reaction remains…

Q: The following thermochemical equation is for the reaction of nitrogen monoxide(g) with hydrogen(g)…

A: Given the thermochemical reaction as follows,2NO(g)+2H2(g)→N2(g)+2H2O(l)     ∆H =-752 kJwe are asked…

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Q: Lead, water, suitur and arsenic have specific neats or .18, g-1 °C-1, respectively. Which of the…

A: Given,         The specific heats of Lead, water, sulfur, and arsenic are 0.128, 4.18, 0.706, and…

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: 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: What is the specific heat capacity of a substance if it takes 8.7 kJ of heat to warm 484.4 g by 39.1…

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Q: I need help with calculating the net change of enthalpy heat. The question is as follows,  Nitric…

A: Note: In the first step two moles ammonia (NH3) is formed Given reactions are shown below,…

Q: A certain chemical reaction releases 14.0/kJg of heat for each gram of reactant consumed. How can…

A: Given heat energy released per gram of reactant is 14.0 kJ.  Quantity of total reactant is given as…

Q: Multiple Choice: The value of ΔH0for the reaction is -6535 kJ.  What is the heat released in the…

A: Thermodynamic is the branch of chemistry that mainly deals with the heat transfer between system and…

Q: A chemist measures the energy change AH during the following reaction: 2 HgO(s) → 2 Hg(1)+O2(g) AH=…

A: Given reaction is, 2 HgO (s)  →  2 Hg (l) + O2 (g)                     ∆H = 182 kJ As,  ∆H is…

Q: Given the following information: 2C(s) + 2H20(g)→ CH4(9) + CO2(g) AH° = 35.3 kJ C(s) + H20(g) →…

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Q: The following thermochemical equation is for the reaction of iron(III) oxide(s) with hydrogen (g) to…

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Q: What quantity of heat is required to raise the temperature of 20 L of water from 25 °C to 50 °C.?…

A: Formula used for calculating  quantity of heat required to  raise temperature of water = mc∆T

Q: O app.101edu.co E Apps MYUSU Outlook Canvas Labflow OneNote ov Chemt01 Tophat u USU Tutoring…

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Q: The following thermochemical equation is for the reaction of methane(g) with water(g) to form…

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

A: Consider the given information is as follows; Experimental value for the enthalpy of formation of…

Q: 3. Find AH for acetic acid, HC2H3O2, using the following thermochemical data.

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Q: DETAILS PREVIOUS ANSWERS MY NOTES ASK YOUR A.27.3.g.sample of ethylene glycol, a car radiator…

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Q: A chemist measures the energy change AH during the following reaction: CL(9)+H,(9) 2 HCl(g) AH=-184,…

A: Given :  Cl2(g) + H2(g) → 2HCl(g)  ∆H = -184 kJ  To calculate ;-  amount of heat absorbed or…

Q: A 7.37 g piece of tungsten is placed into a boiling water bath until it is at thermal equilibrium.…

A: A numerical problem based on chemical thermodynamics that is to be accomplished.

Q: .543-g sample of solid magnesium is burned in a constant-volume bomb calorimeter that has a heat…

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Q: Calculate the energy required to heat 1.70 kg of silver from -3.7 °C to 5.7 °C. Assume the specific…

A: We have to calculate the heat required.

Q: Suppose that the molar enthalpy of a reaction is -17.41 kJ/mol and 1.49 x 106 joules of heat are…

A: The molar enthalpy=-17.41 kJ/mol This means 1 mol of X produces=-17.41 kJ The heat released =1.49 x…

Q: he specific heat of a human is approximately 3.47 J/g. °C and normal body temperature is 37.0 °C. If…

A: The rise in the body temperature is to be calculated. Specific Heat = 3.47 J/g-CoMass = 165 lb1 cal…

Q: A chemist measures the energy change AH during the following reaction: 2 H,O(1) → 2 H,(9)+0,(9)…

A: The reaction given is :-  2H2O(l) ---> 2H2(g) + O2(g) ∆H = 572 KJ

Q: When a 6.50-g sample of solid sodium hydroxide dissolves in 100.0 g of water in a coffee-cup…

A: Given, Mass of NaOH = 6.50 g Mass of water = 100 g Temperature is 21.6 to 37.8 oC.

Q: 3. DETAILS PREVIOUS ANSWERS MY NOTES ASK YOUR TEA A 27.3 g sample of ethylene glycol, a car radiator…

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Q: 1. Solve the following problems and write your solution on a separate sheet of paper. 2. You are…

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Q: The following thermochemical equation is for the reaction of carbon dioxide(g) with hydrogen(g) to…

A: Given; CO2(g) + H2(g) ➝ CO(g) + H2O(g) ∆H = 41.2 kJ Mass of carbon dioxide (CO2) gas reacts = 16.6…

Q: How much heat (in kJ) is released when 160 grams of CH4 is burned with 2000. grams of O2? If the…

A: 1- First calculate the moles of CH4 and O2 gas  a) moles of CH4 = ( 160g / 16gmol-1 )  Molar mass of…

Q: A student wishes to determine the heat capacity of a coffee-cup calorimeter. After she mixes 90.5 g…

A: Calculation of heat released by the hot water: Q=mc∆T=90.5 g×4.184 J/g°C×(35.0-67.5)°C=-12306.2 J

Q: Write all pertinent computations to justify your final answer. Final answers must be enclosed with a…

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Q: A chemical reaction is performed in a solution with a mass of 125.0 g, a specific heat of 4.184…

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Q: A chemist measures the energy change AH during the following reaction: 2 NO,(9) → N,O4(9) AH=-55.3…

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Q: The system releases 1705 kJ of heat into its surroundings. A work of 3780 kJ is done by the system…

A: Given: System released heat = 1705 KJ. And work is done by the system on the surrounding = 3780 KJ.…

Q: TReterences You wish to heat water to make coffee. How much heat (in joules) must be used to raise…

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Q: When 12.00 g of Ba(s) is added to 100.00 g of water in a container open to the atmosphere, the…

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Q: Enthalpy is the energy absorbed or released when a chemical change occurs. Assume you have the…

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Q: When HCI(g) reacts with NH3(g) to form NH,Cl(s) according to the following equation, energy is…

A: The formation of ammonium chloride from ammonia and hydrogen chloride is exothermic (heat released…

Q: Calculate the energy required to heat 486.0 mg of silver from -9.6 °C to -3.7 °C. Assume the…

A: The amount of heat energy required is related to specific heat capacity as,…

Q: A chemist measures the energy change AH during the following reaction: 2 H₂O(1)→ 2 H₂(g) + O₂(g) ΔΗ=…

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Q: A. Directions: Solve the following problem using the thermochemical equation. Write your answer on…

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Q: A chemist measures the energy change AH during the following reaction: C3Hg(g)+502(g) 3…

A: The given reaction is shown below.

Q: 3. a. When NH, is treated with oxygen gas, the products obtained are N,(g) and H,0(1). Calculate AH°…

A: The reaction between NH3 and N2 can be given as: 4NH3+3O2→2N2+6H2O The enthalpy of the reaction can…

Q: The following thermochemical equation is for the reaction of methane(g) with water(g) to form…

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Q: An unknown substance has a specific heat capacity of 2.22 J/g °C. If 45.6 grams are heated with…

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Q: What is the specific heat of a metal that requires 2,546 cal of energy to change the temperature of…

A: Topic-- 1.Specific heat of the metal = The heat required to raise the temperature by…

Q: Carbon disulfide reacts with chlorine according to the following reaction equation: CS2(8) + 3…

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