The energy required for the hypothetical reaction 2A+B⇌2C+2D2A+B⇌2C+2D is 325 kJkJ as written. How much heat is absorbed when 2.80 molmol of AA reacts

Q: A student performed this experiment by mixing 50.0 mL of 2.0 M NaOH solution with 50.0 mL of 2.0  M…

A: Given: Concentration of NaOH reacting = 2.0 M Volume of NaOH solution = 50.0 mL = 0.050 L…

Q: Please help me with the following question, explain and make sure its correct 1000% thanks !

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Q: calculate the molar heat capacity of a mercury metal with specific heat capacity of 0.140 j/g0c.

A: Molar heat capacity is the amount of heat required to increase the temperature of one mole…

Q: The lead-acid storage battery is the oldest rechargeable battery in existence. It was invented in…

A: Given that : There are two reactions that take place during the discharge of the lead-acid storage…

Q: The calibration of a calorimeter is done by using 13.00mL of 0.104M NaOH and 11.29mL of 0.125M HCl…

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Q: Calculate the heat of hydration for silver nitrate. ΑΣφ ? AHnydration k II

A: Total Energy needed for completion of the reaction is known as enthalpy of the reaction

Q: 5) In thermodynamics, the ideal gas law states that PV = NKT Here • N,k are constants • P is the…

A: A "naive" manipulation of symbols refers to a simple or straightforward approach to manipulating…

Q: Your lab partner accidentally mixed some sodium chloride with your sample of Epsom salts…

A: According to question, 100 gm of mixture containing Sodium chloride and Epsom salts is heated after…

Q: 11. If 100 mL of 1.00 M silver nitrate are added to 100 mL of 1.00 M potassium iodide in a…

A: When we heat a substance the temperature of the substance increases. The required amount of heat to…

Q: The combustion of propane gas leads to formation of carbon dioxide and water by the following…

A: Answer:- firstly from the balanced chemical equation and the enthalpy of reaction , moles of carbon…

Q: 25.0 mL of 1.00 M HCl at 23.5oC react with 25.0 mL 1.00 M NaOH in a styrofoam calorimeter whose…

A: The energy of a system is always conserved. The amount of heat released or absorbed by the reaction…

Q: An experiment was conducted to find the heat of neutralisation in an acid-basereaction.A solution…

A: First, we need to calculate the number of moles of nitric acid. The molarity (M) of a solution is…

Q: Given the following reaction: 4 Fe(s) + 3 O2 (g) → 2 Fe2O3 (s) ΔH = -1648 kJ 52.0 g of Fe (MM =…

A: 52.0 g of Fe is reacted.Thus, moles of Fe reacted

Q: When 0.238 g of sodium metal is added to an excess of hydrochloric acid, 2470 J of heat are…

A: 2Na(s) + 2 HCl (aq) -->2NaCl(aq) + H2(g) Enthaly of reaction=? Na has molar mass=23 0.238g of…

Q: A newly made Styrofoam ball calorimeter was first calibrated by mixing 10.0 mL of 0.40 M…

A: Given: Volume of HCl = 10.0 mL Concentration of HCl = 0.40 M mass of MgO = 0.1008 g MgO (MW = 40.30…

Q: Use the standard reaction energies given below to determine DeltaG^°rxn for the following reaction:…

A: Standard Gibbs free energy for O2=0kj/mole ∆G°rx = sum of energy of products - sum of energy of…

Q: (a) Convert 41.3 L atm to kcal. (Use dimensional analysis)  (b) Convert –279.67°F to K. (C)The…

A: Bond enthalpy: It can be defined by saying that the amount of energy required to break the bond for…

Q: Zinc metal reacts with hydrochloric acid according to the following reaction: % Zn (s) + HCI (aq) →…

A: The reaction given is, Given: Mass of Zn reacting = 0.9807 g. Concentration of HCl = 0.250 M Volume…

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Q: Calculate the enthalpy reaction for 3SO2 (g) + 2 HNO3 (l) + 2 H2O (l) --> 3 H2SO4 (l) + 2 NO (g)

A: The enthalpy for the reaction can be calculated with help of the formula shown below, ∆H∘reaction =…

Q: A student performed the procedure described in the lab manual using 49.9 mL of 1.0 M HCI and 49.3 mL…

A: Molarity of HCl = 1.0 MVolume of HCl: 49.9 mLMolarity of NaOH = 1.0 MVolume of NaOH = 49.3 mLInitial…

Q: Phosphoric acid, which is commonly used as rust inhibitor, food additive and etching agent for…

A: Chemical reactions can be added, subtracted, or multiplied like an algebraic equation.

Q: When 0.776g of sodium metal is added to an excess of hydrochloric acid, 8070 J of heat are produced.…

A: Given :  Mass of sodium metal = 0.776 g  Heat produced = 8070 J

Q: type of chemical reaction

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Q: What is the enthalpy of the overall reaction? 2A + C + D ⟶ Z + G           ΔΔHoverall = ?…

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Q: Determine the total heat absorbed by the reaction, in kJ, if 2.50 g of O2 is required to fully…

A: Heat absorbed by the reaction = 89.4kJ.mol The heat of Formation of SO3(g) = -204.1kJ/mol

Q: A constant pressure calorimeter is calibrated by mixing two aqueous solutions each with a volume…

A: Answer: In this question with the help of first reaction we have to calculate calorimeter constant…

Q: Given the standard enthalpy changes for the following two reactions: (1) 2Pb(s) + O₂(g) → 2PbO(s)…

A: Recall the given reactions,                          1 2 Pb s  +  O2 g  →  2 PbO s…

Q: ) of the following reaction: ?

A: ∆H°formation for pure substance at room temperature value is Zero . Here C(graphite) and Hydrogen…

Q: Calculate the energy in kJ required to raise the temperature of 5 kg ofaluminium from 20 °C to 150…

A: The objective of this question is to calculate the amount of energy required to raise the…

Q: 1. Calculate the heat evolved when 13.56g of oxygen gas (O2) is used to burn  white phosphorus at…

A: 1) Given, P4(s) + 5O2(g) → P4O10(s), ΔH = -3013 kJ/mol ∆H is in negative (-) which indicate the…

Q: A constant-volume calorimeter was calibrated by carrying out a reaction known to release 0.651 kJ of…

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Q: Measurements show that the energy of a mixture of gaseous reactants decreases by 209. kJ during a…

A: Decrease in Energy of gaseous reactant  = ∆E = -209 kJ Work done = -104 kJ Change in enthalpy of gas…

Q: The copper mineral chalcocite, Cu2S, can be converted to copper simply by heating in air:

A: 1) according to equation  1 mole Cu2S   give 2 mole Cu  So for 1 mole Cu , 0.5 mole of Cu2S is…

Q: According to the following reaction, how much energy is evolved during the reaction of 53.2 g Fe2O3…

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