Hydrogen cyanide is used in the manufacture of clear plastic such as plexiglas. it is prepared from ammonia and methane according to the following reaction. calculate the value of q(KJ) if 3.855 g of ammonia react with excess oxygen and methane.

Q: A 6.61g sample of an unknown salt (MM=116.82g//mol) is dissolved in 150.00g water in a coffee cup…

A: Answer:Amount of heat released or absorbed during the dissolution of 1 mole of a compound is called…

Q: 3.| N2(g) + 3CI2(g) → 2NCI3(1) AH°rxn = +460 kJ The reaction is _thermic, heat flows bonds between…

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Q: In the following reactions, identify the physical states of the products and reactants and indicate…

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

Q: If the reaction of 0.500 grams of aluminum metal with excess aqueous HCl releases 9.72 kJ of heat,…

A: Given- reaction - 2 Al (s) + 6 HCl (aq) --> 2AlCl3 (aq) = 3H2 (g) Q = 9.72 KJ  mass of aluminum =…

Q: 2. A 1.07 g sample of sulfur was burned in a bomb calorimeter with calorimeter constant of 2.03…

A: Mass of sulfur sample = m = 1.07 g Calorimeter constant = C = 2.03 Kcal/°C Temperature change = ∆T =…

Q: 8. The overall reaction in commercial heat packs can be represented as   How much heat is released…

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Q: Dimethyl ether, a useful organic solvent, is prepared in two steps. In the first step, carbon…

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Q: Consider these reactions: Reaction 1: H 2 (g)+Cl 2 (g) longrightarrow 2HCl(g) AH = -184.6 kJ…

A: The thermodynamic chemical equation for the decomposition if oxygen difluoride is2 OF2 (g) → O2 (g)…

Q: How much heat is produced by the combustion of 4.67g of magnesium (24.30 g/mol)? Mg(s) + 1/2 O2(g)…

A: Here we have to apply mole concept, first we need to find for 1 gram Mg combustion how much energy…

Q: Consider the following reaction: D2(g) + A2(g) → 2AD(g) AH = 237.4 kJ If 72.4 kJ of heat are…

A: The objective of the question is to find out how many grams of AD should be produced when 72.4 kJ of…

Q: The reaction for the combustion of propane is C₂H₂(g) +50₂(g) → 3 CO₂(g) + 4H₂O(1) heat: ΔΗ =…

A: Given combustion reaction; C3H8(g) + 5O2(g) ---> 3CO2(g) + 4H2O(l) delta(H) = -526.3 kcal/mole…

Q: 1.  How many moles of butane, C4H10(l), must be burned to produce 182 kJ of heat under standard…

A: We have to find how many moles of butane, C4H10(l), must be burned to produce 182 kJ of heat under…

Q: Complete the thermochemical equation,H + (aq) + OH - (aq) ---> H 2 O (l) Ho = ______ kJ/mol …

A: Thermochemical equation:

Q: What is the enthalpy of reaction (∆Hrxn)? Why is this quantity importan

A: ANSWER

Q: 5. A student combines 20.00 mL of 0.500 M HCI and 20.00 mL of 0.550 M NaOH in a calorimeter. The…

A: Recall the following expression according to Law of calorimetry…

Q: If 890 kJ is released during the combustion of 1 mol of methane, what is the heat of reaction if…

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Q: A piece of unknown solid substance weighs 439 g, and requires 8427 J to increase its temperature…

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Q: The reaction for the combustion of propane is kcal (DOʻHT + (8) 0E – (3)OS + (3)*H°Ɔ mol AH = -526.3…

A: Given, C3H8 (g) + 5O2 (g) → 3CO2 (g) + 4H2O (l) ∆H = - 526.3 kcal/mol Note: negative sign (-)…

Q: Propene can be converted to Propanol, C3H3O, by the reaction: C3H6(g) + H20(g) C3H8O(g) If the Heat…

A: Given: The reaction of conversion of propene to propanol. C3H6(g)  +  H2O(g)   ----------->…

Q: 3) The addition of CO2 to a solution containing calcium ions can lead to the formation of insoluble…

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

A: The reactions in which heat energy is released from the system are known as exothermic reactions.…

Q: (d) Consider the complete combustion of Benzene (CeH6). If the density of benzene is 0.88 g/mL, what…

A: Given reaction is : 2C6H6 (l) + 15 O2 (g) ----------> 12CO2 (g) + 6H2O (g) , ΔH0rxn = -6278 KJ…

Q: How many moles

A: The balanced chemical reaction,  2Ga(ClO3)3 -----> 2GaCl3 + 9O2 □H = -130.4 kJ Form the balanced…

Q: Reaction 3: N₂(g) + 20₂(g) Reaction 2 can be described as an [Select] [Select] reaction 2NO₂(g) ΔΗ =…

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Q: When NO(g) reacts with O₂(g) according to the following reaction, 13.93 kcal of energy are evolved…

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Q: For the reaction H2(g) + 1/2 O2(g) --> H2O(g), DHo = -241.8 kJ. What quantity of heat, in kJ,…

A: Balanced Reaction H2(g) + 1/2 O2(g) --> H2O(g) Here heat is released during the reaction.

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

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Q: C₂H5OH + 302 2CO₂ + 3H₂O AH=1367kJ/mol How many grams of carbon dioxide are produced when 530. kJ of…

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Q: Write a balanced equation and draw an approximate enthalpy diagram for each of the following…

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Q: A hand warmer packet contains a mixture of powdered iron, carbon, sodium chloride, sawdust, and…

A: Answer: Given chemical reaction is: 4Fe(s)+3O2(g)→2Fe2O3(s)

Q: on 22 of 22 Using the balanced chemical equation, determine how many moles of NaCl will be produced,…

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Q: Use Reaction 1. Determine the mass, in grams, of chlorine gas consumed (with excess H₂) when 1,479.0…

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Q: E thermochemical equations

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Q: 9. (Calorimetry - Determination of enthalpy) A coffee-cup calorimeter having a heat capacity of 472…

A: Answer: This question is based on the conservation of energy where energy gained by the reaction…

Q: In a constant-pressure calorimeter, 75.0 mL of 0.880 M H, SO, was added to 75.0 mlL of 0.440 M NaOH.…

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Q: 1. When, a volume of 200 cm³ of Lithium hydroxide solution of concentration 1.00 mol/dm3 and 200 cm…

A: a) endothermic reaction:- A chemical reaction in which heat is absorbed during the process.…

Q: 8CO2(g) + S13N4(s) AH = +461.05 kJ 8CO + 2N20 + 3SIO2 a) Is this reaction exothermic or endothermic?…

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Q: Consider the following reaction: 2 H2(g) + O2(g)  2 H2O(l) Answer the following questions: (a) How…

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Q: Consider the reaction, C2H4(g) + H2(g) → C2H6(g), where ΔH = –137 kJ. How many kilojoules are…

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Q: Use Reaction 2. How much energy (in kJ) is released when 49.0 g of oxygen difluoride decomposes?…

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Q: What is the change in internal energy (∆E) for a system in kJ if 2550 kJ of heat are absorbed by the…

A: Disclaimer : The problem contains multiple questions. So , we are solving only the first question.…

Q: Consider the following reaction. (a) Is the reaction exothermic or endothermic? exothermic…

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Q: A 8.27 g sample of an unknown salt (MM = 116.82 g/mol) is dissolved in 150.00 g water in a coffee…

A: ∆H = 45.06kj/mol