1) Calculate q when 430 kJ of energy has been released from a system that performed 110 kJ of work: a) 430 kJ b) 110 kJ c) 540 kJ d) 320 kJ

Q: A chemist measures the enthalpy change AH during the following reaction: P4(s) + 6 Cl₂(g) →4 PC13(g)…

A: P4(s) + 6Cl2(g) ----> 4PCl3(g)    ∆H = -1148. kJCalculating the enthalpy change ∆H during the…

Q: Calculate the work done when an open beaker containing 50 g of iron reacts with hydrochloric acid to…

A: The solution of your question is given below -

Q: 8. Calcium cyanamide reacts with water in the reaction CACN2(s) + 3H2O(0) → CaO(s) + 2NH3(g) When…

A: Find the number of moles of reactants and products involved in the reaction. Step 2:

Q: Automobile airbags contain solid sodium azide, NaN3,NaN3, that reacts to produce nitrogen gas when…

A: Given information, Mass of NaN3 = 32.5 g Pressure of the gas = 1.00 atm Temperature of gas =  22°C =…

Q: Calculate the work done when a gas, at P = 1.0 atm, has a volume change from 22.0 L to 2.0 L.   A)…

A:

Q: Consider the reaction. 2Fe2O3⟶4Fe+3O2ΔH∘rxn=+824.2 kJ2Fe2O3⟶4Fe+3O2ΔHrxn°=+824.2 kJ a) The…

A: The heat change that occurs in the formation of any compound that amounts 1 mole is called enthalpy…

Q: Consider the combustion of methane: CH4(g) + 2O2(g) --> CO2(g) + 2H2O(l) deltaH = -890.4 kJ/mole…

A: Given, the combustion of methane as follows,CH4(g) + 2O2(g) → CO2(g) + 2H2O(l)   ;  ∆H =-890.4…

Q: Baking soda decomposes on heating as follows, creating the holes in baked bread:…

A: The decomposition reaction of baking soda is shown below.

Q: Sort the following scenarios based on whether they result in positive or negative work (-w or +w).…

A: To find out whether the work is positive or negative, we need to understand: 1. If work is done on…

Q: A reaction releases 173 J of energy while doing 42 J of work. Determine the change in internal…

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Q: the enthalpy of formation of glucose?

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Q: Consider the following endothermic reaction.  A(s) ⟶⟶A(g) Assuming the reaction takes place at…

A: The given reaction is, A(s) ⟶A(g) It is an endothermic reaction.

Q: 6. The combustion of 0.250 grams of ethane gas, C2H6, causes a temperature rise of 2.50°C in a bomb…

A: Given: The mass of ethane combusted = 0.250 g The rise in temperature = 2.50 oC The heat capacity of…

Q: Octanitrocubane is a high explosive detonating with shock. It decomposes according to the following…

A:

Q: At constant temperature and pressure, in which of these changes is work done by the surroundings on…

A: We Know,the formula for work is,       W=- Pext (∆V) Where, P= external pressure and ∆V = expansion…

Q: Combustion of table sugar produces CO2 (g) and H2O( l). When 1.46 g table sugar is combusted in a…

A: a) The balanced chemical equation is,

Q: 16. Use standard enthalpies of formation to determine the standard enthalpies of the following…

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Q: Calculate the work done when a gas expands from a volume of 10.00 L to a volume of 25.00 L against a…

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Q: Part A The value of AS° for the catalytic hydrogenation of acetylene to ethene, C2H2 (g) + H2 (g) →…

A:

Q: Which of the following would be a system that has work done on it by the surrounding? a. CH, (g) CO,…

A: When ∆H is negative value, then it is an exothermic reaction.When ∆H is positive value, then it is…

Q: Which ONE is equal to the work done by an orally dissolvable tablet which, when placed in water,…

A: To solve this problem, we need to use the equation for the work done by a gas expanding against a…

Q: Calculate the work, in joules, done by a gas as it expands at constant temperature from a volume of…

A: During the expansion of a gas at constant temperature the work done by the system is given by: w =…

Q: Mass of aluminum 16.27 g Initial temperature of Al 83.85°C Volume of water 52.4 mL Initial…

A: the answer is follows as :

Q: Automobile airbags contain solid sodium azide, NaN3, that reacts to produce nitrogen gas when…

A: Given data: Mass of NaN3 = 28.3 gms                    Molar mass = 65 gm/mol Pressure = 1 atm…

Q: Consider the reaction: C3H8(g) + 3 O₂(g) → CH4(g) + 2 CO₂(g) + 2H₂0(1), AH=-1330. kJ/mol. Using this…

A: The given reaction is an exothermic reaction, as indicated by the negative value of the heat of…

Q: A balloon expands from 0.0100 L to 0.500 L against an external pressure

A: This question belongs to chemical Thermodynamics.

Q: None

A: To calculate the work done by the system (w) when 34.6 g of NaN3 reacts completely, follow these…

Q: A thermochemical equation for the reaction of carbon momoxide with oxygen is…

A:

Q: reactions would work be done on the system (at constant temperature and pressure)?   Hg (l)   ->…

A: From the iupac sign conve ntion, Work done on the system is positive.  At constant temperature and…

Q: 5) How much work does a gas do when it expands against a constant pressure of 0.500 atm from a…

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Q: statements is true concerning the decomposition of liquid water to form hydrogen gas and oxygen gas?…

A: Decomposition of water

Q: Nitric acid (HNO3) and potassium hydroxide (KOH) react to form water and aqueous potassium nitrate…

A: we  have to calculate  ΔHrxn for the formation of one mole of water in the given reaction in kJ/mol

Q: Macmillan Learning Consider an ideal gas enclosed in a 1.00 L container at an internal pressure of…

A: In the given question we have to calculate the work done when a gas expand. by using the relation, W…

Q: When 0.5 mol of H2H2 is reacted with 0.5 mol of O2O2, 121 kJ of heat is released. Determine…

A: In the question, it is given that 0.5 mol of H2 react with 0.5mol of O2  i.e same ratio therefore…

Q: The reaction below has AH° = -110.2 kJ. 4 NO2(g) + O2(g) → 2 N205(g) Which statement is correct when…

A: In this question, we want to determine the energy when the given mass of nitrogen dioxide react with…

Q: Automobile airbags contain solid sodium azide, NaN3, that reacts to produce nitrogen gas when…

A: