In the following equation for a chemical reaction, the notation (s), (1), or (g) indicates whether the substance indicated is in the solid, liquid, or gaseous state. CH4(g) + H,0(g) + energy → 3H2(g) + CO(g) Identify each of the following as a product or a reactant: H,O(g) H,(g) CHĄ(g) CO(g) When the reaction takes place energy is The reaction is

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A: Exothermic is the process or reaction that releases energy in the form of heat. Another way of…

Q: Perform the conversions between energy units. 411 kJ = 2885 kcal = kJ 6.49 x 106 J = kcal

A: Energy unit conversations.

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Q: gold Aluminum Silver 10.0 g 10.0 g 10.0 g mass

A: heat is the form of energy , it can be transferred from one system to another at different…

Q: Which of the following is true about an exothermic reaction? O The number of moles of products is…

A: ''In exothermic reaction, heat is released" therefore heat of reaction is negative

Q: Mass of hot water  89 g Mass of cold water  90 g T hot water  70 °C T cold water  27 °C T mixture…

A: Answer:- This question is answered by using the simple concept of calorimetry which states that heat…

Q: Combustion reactions are exothernic. The heat of reaction for the combustion of cyclohexane, CH2, is…

A: Heat of reaction for combustion of cyclohexane C6H12= 936.8 Kcalmol

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Q: If a gas furnace releases 450 kcal of heat energy, what is the energy in kilojoules? (1 cal = 4.184…

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Q: Which of the following is an example of an endothermic process? The combustion of methane, CH4,…

A: Chemical reactions take place by absorbing or releasing heat energy. The processes in which heat…

Q: Use the References to access important values if needed for this question. Thermometer When a solid…

A: Number of moles of NH4Br can be calculated as follows,

Q: In the following reaction, What quantity in moles of CH₃OH are required to give off 2526 kJ of heat?…

A: Given :-   2 CH₃OH (l) + 3 O₂ (g) → 2 CO₂ (g) + 4 H₂O(g)  ∆H° = -1280. kJ  To be calculated :-…

Q: A 1555 kg car is traveling down the road at 95.4 km/h. While traveling at this rate of speed, what…

A: Given  Mass of Car( m )  = 1555 Kg             Speed( v)  =  95.4 km/h  Kinetic Energy of Vehicle =…

Q: To the cooled anhydrate, CuSo4, of part 1 a student added about 5 MLS of distilled water and then…

A: We are to discuss whether rehydration of anhydrous CuSO4 exothermic or endothermic.

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A: The reaction is associated with various types of energies like ionization energy, electron gain…

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A: Cyclopentane, C5H10 reacts with oxygen to form carbon dioxide and water.

Q: Measurements show that the enthalpy of a mixture of gaseous reactants decreases by 373. kJ during a…

A: We have to calculate the change in energy and nature of reaction.

Q: A 1445 kg car is traveling down the road at 96.6 km/h. While traveling at this rate of speed, what…

A: Given : Mass of car = 1445 kg Speed of car = 96.6 km/hr  To calculate :- Kinetic energy (in kJ)

Q: What is the enthalpy change for the process in which copper (I) chloride is formed from copper (II)…

A: The given reactions are,

Q: The reaction between nitrogen and oxygen gases require the absorption of 43 kJ of energy per mole of…

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Q: 2. Propane is the fuel used in outdoor gas grills. The thermochemical eqn for the combustion of…

A: Combustion :- The process of burning a substance in excess of air or oxygen is known as combustion…

Q: For the combustion of methane(CH4)   CH4 (g)  + 2 O2 (g)  -->  CO2 (g) + 2H2O (g)       Δ H = -882…

A: In a thermochemical equation, the term, ∆H , represents the change in heat energy per mol reaction.…

Q: 3. To the cooled anhydrate, CuSO4, of Part I, a student added about 5 mL of distilled water and then…

A: we are discuss whether the rehydration of copper(II) sulphate exothermic or exothermic process.

Q: In which of the following process is energy (a) Cl- CI' +e (b) HCI - H*+ C (c) CI +e+ C ted (d) 0…

A: Ionisation energy/ Potential is the amount of energy required to remove an electron from outermost…

Q: The reaction between nitrogen and oxygen gases requires the absorption of 43 kJ of energy per mole…

A: Given: Heat are absorbed by the reaction = 417 KJ ΔH = 43 KJ/mol Molar mass of NO = 30.01 g/mol

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: Octane (C8H18) is a component of gasoline that burns according to the following equation:…

A: the enthlpy change during the combustion of 1 mole of the substance is known as enthalpy of…

Q: Which of the following physical processes is exothermic? a. evaporation of alcohol b. melting of…

A: Concept  1) release of energy is known as exothermic process.  2) absorption of energy is called…

Q: A list of the calorie content of foods indicates that a cup of frozen strawberries contains 224…

A: Change 224 calory to Joule and KJ

Q: The nutritional label on the package indicates that a cup of soup contains 180. Calories. Express…

A: Coup of soup contains 180 calories  We know that 1 cal= 4.2 J  Then 180 cal = 180× 4.2 J = 756 J…

Q: What is the Kinetic energy of a 2000-Ib car traveling at 59 miles per hour? (Ib =0.4536 kg, 1 mi=…

A: The Kinetic energy of a 2000-lb car traveling at 59 miles per hour is calculated as,1lb =0.4536…

Q: The reaction between nitrogen and oxygen gases requires the absorption of 43 kJ of energy per mole…

A: Given Reaction: N2(g) + O2(g) ------>2NO (g)          ΔH = 43 KJ/mol

Q: Combustion reactions are exothermic. The heat of reaction for the combustion of cyclopentane, C;H10,…

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Q: What is the kinetic energy of a 147 gram baseball moving at a velocity of 47.2 meters per second?…

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Q: The heat of reaction for the combustion of pentane, C5H12, is 838.7 kcal/mol. What is the heat of…

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Q: Use the References to access important values if needed for this question. Combustion reactions are…

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Q: Perform the conversions between energy units. 633 kJ = 2325 kcal %3D kJ 9.01 x 10 J = kcal

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Q: CO(g) +2 H2(g) CH3OH(1) AH° =-128.1 kJ

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Q: When sulfuric acid is poured on sugar the volume expands, it turns black and gets very hot. Which of…

A: A reaction is said to be exothermic when heat is liberated during the process.

Q: To the cooled anhydrate, CuSO4, of Part I, a student added about 5 mL of distilled water and then…

A: This is an exothermic reaction. when water is added to anhydrous white crystal of copper sulphate…

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Q: Does a negative  ΔHᵣₓₙ mean that the heat of reaction can be thought of as a reactant or as a…

A: Enthalpy is a thermodynamic property. It is an extensive property. It is denoted by H. It is sum of…

Q: In the following equation for a chemical reaction, the notation (s), (1), or (g) indicates whether…

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Q: 8.0-kg rock is dropped from a height of 3.0 m. At what height is the rock's kinetic energy twice its…

A: As we know potential energy =mgh

Q: A 2.9-g sample of rice is placed in a calorimeter. When the sample is burned, 23 kJ is given off.…

A: Given:- 2.9 g rice on burning gives 23 kJ energy.                            2.9 g gives=> 23 kJ…

Q: A 92.9-g piece of a metal is heated to 178.0 ºC, and then cooled to 29.7 °C by removing 14052.6 J of…

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Q: A reaction uses a solution in which solid sodium chloride is dissolved in water. Which symbol…

A: Solid sodium chloride dissolves in water and dissociates into sodium cation and chloride anion.

Q: Classify the substances below as reactants or products and state their state of 2NaHCO3 (s) → Na,CO3…

A: The given chemical reaction as follows --- 2 NaHCO3 (s)    →    Na2CO3 (s)    +     H2O (l)    +…

Q: 1.     Ammonia can be generated by heating together the solids NH4Cl and Ca(OH)2. Other products of…

A: Note: As per our guidelines, we are supposed to answer only one question. Kindly, repost other…