A "coffee-cup" calorimetry experiment is run for the dissolution of 1.50 g of aluminum acetate placed into 103.2 mL of water. The temperature of the solution is initially at 18.7 oC. After the reaction takes place, the temperature of the solution is 21.3 oC.

Q: In a calorimetry experiment, 0.1277 g of Mg ribbon was added to 200.0 mL 0.500 M HCl at 24.12…

A: Given: mass of Mg = 0.1277 g Concentration of HCl = 0.500 M Volume of HCl = 200 mL = 0.2 L Initial…

Q: Sodium chloride, the table salt (NaCl) is added in cooking to enhance the flavor of the food.  When…

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Q: 0.700 moles of an unknown solid is placed into water to make 150.0 mL of solution. The solution's…

A: Answer :-- Using the formula for heat (q) is :-q = m⋅C⋅ΔTm (mass of the solution) = ρ⋅V (density ×…

Q: inside a calorimeter is 100 g of water at 39.8 ºC. A 10 g object at 50 ºC is placed inside of a…

A: Mass of water, m=100 g  The initial temperature of water=39.8 ºC Final temperature=40ºC Change in…

Q: When a solid dissolves in water, heat may be evolved or absorbed. The heat of dissolution…

A: Introduction:When a solid dissolves in water, heat may be released or absorbed. The heat of…

Q: A well insulated calorimeter containing 100 ml of water was calibrated by dissolving a known amount…

A: Mass of NaCl used m = 2.55 g Molar mass of NaCl = 1 x Na + 1 x Cl = 1 x 22.99 + 1 x 35.45 g/mol =…

Q: 250.0 mL of 0.300 M HCl is added to 250.0 mL of 0.300 M NaOH in a coffee cup calorimeter. The…

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Q: How to apply the laws of thermodynamics to chemical reactions ?

A: In any chemical reaction, heat of reaction can be calculated by applying . Hess's law based on 1st…

Q: Sodium chloride, the table salt (NaCl) is added in cooking to enhance the flavor of the food.  When…

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Q: A calorimeter contains 23.0 mL of water at 14.5 °C . When 2.20 g of X (a substance with a molar mass…

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Q: Sodium chloride, the table salt (NaCl) is added in cooking to enhance the flavor of the food.  When…

A: specific heat capacity is defined as the amount of heat required to raise the temperature of a…

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: A 72.0 mL sample of 1.00 M NAOH is mixed with 59.0 mL of 1.00 M H,SO, in a large Styrofoam coffee…

A: The given thermochemical equation is: H2SO4(aq) + 2NaOH(aq)  ----> Na2SO4(aq) + 2H2O(l) ; ∆Hrxn =…

Q: Sodium chloride, the table salt (NaCl) is added in cooking to enhance the flavor of the food.  When…

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Q: 1. The vapor pressure of a liquid doubles when the temperature is raised from 85.0 to 95.0°C. The…

A: Vapour pressure of the liquid is defined as the pressure exerted by the vapours of liquid on the…

Q: When 50.0 g of an aqueous solution of reagent 1 at 24.1oC is added to 100.0 g of of an aqueous…

A: Given : Mass of reagent 1 solution = 50.0 g Mass of reagent 2 solution = 100.0 g Initial temperature…

Q: Zinc metal reacts with HCI according to the following balanced equation: Zn(s) + 2HCI(aq) -->…

A: Given : volume = 47.0 ml density = 1.03 g / ml specific heat = 4.184J /g°c temperature change of…

Q: Suppose the calorimeter used for the experiment has been made of a heat-conducting material (such as…

A: A calorimeter is a device used to measure the heat exchanged during a physical or chemical process.…

Q: Calculate the reaction enthalpy change at 1450 K for the reaction: 1/2 H2 (g) + Cl2 (g) → HCl (g)…

A: The objective of the question is to determine the enthalpy change for the given reaction.

Q: reaction

A: Dear student this question is related to enthalpy change.

Q: Inside a calorimeter is 100 g of water at 39.8 C. A 10-g object at 50C is placed inside the…

A: Since the metal is at higher temperature than water. Hence to reach equilibrium, metal will lose…

Q: Sodium hydroxide (39.9971 g/mol) reacts with excess H2SO4 in a constant-pressure calorimeter. The…

A: Given ∆T = 29°CMass of reaction mixture = M = 120 gSpecific heat of solution = Cs = 4.184 J/g°CHeat…

Q: 0.015L of 3mol/L NaOH mixes in a calorimeter with 0.013L of 3mol/L HCl, the two initially at 295K,…

A: Given : Concentration of NaOH = 3.00 M Concentration of HCl = 3.00 M Volume of NaOH solution = 0.015…

Q: Find the heat of the reaction of the dissolution of ammonium nitrate in water.   mass of water:…

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Q: Under what conditions will enthalpy tend to dominate the equilibrium state of a chemical system?…

A: The dominance of enthalpy or entropy in determining the equilibrium state of a chemical system…

Q: A calorimeter contains 25.0 mLmL of water at 12.5 ∘C∘C . When 1.70 gg of XX (a substance with a…

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Q: When 50.0 g of an aqueous solution of reagent 1 at 24.1oC is added to 100.0 g of of an aqueous…

A: Calorimetry is a chemical process in which we find out the heat transfer associated with the change…

Q: In a constant-pressure calorimeter, 65.0 ml. of 0,860 M H, SO, was added to 65.0 ml. of 0.420M NAOH.…

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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: Heat of neutralisation of an acid id defined as the amount of heat evolved when one equivalent of an…

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: 16. What will be the final temperature of a 584−g sample of water, initially at 15.0 °C, after 53.4…

A: 584 g sample of water, initially at 15.0 °C. 53.4 KJ of heat have been added to it.Here we have to…

Q: When a 8.00 g sample of KBr is dissolved in water in a calorimeter that has a total heat capacity of…

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Q: Measurements show that the enthalpy of a mixture of gaseous reactants increases by 238. kJ during a…

A: The objective of the question is to calculate the change in energy of the gas mixture during the…

Q: Explain what is first law of thermodynamics. How it is related to the conservation of energy?

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Q: 150 ml of .350M HCl was mixed with 150 mL of .350 M NaOH in a calorimeter of negligible heat…

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Q: Describe the different types of thermochemical reactions.Give theoretical and practical (in lab)…

A: SOLUTION: Step 1: The reactions which occurs by the absorption or evolution of heat are called as…

Q: 1. A student determines the molar mass of acetone, CH,COH., by the method used in this experiment.…

A: It is given that:Mass of solute added = 10.5 gMass of solution = 86.4 g

Q: Which of the following suggests that the process of dissolving a solid sample in a constant-pressure…

A: Given: To explain how can we know that the dissolving of a solid sample in a constant-pressure…

Q: H2C204(s) + 2 NaOH(aq) → Na2 C204(ag) + 2 H20(1) AHreaction = ??? What is the (experimental)…

A: Given reaction between oxalic acid and sodium hydroxide as follows: H2C2O4 (s) +  2NaOH (aq)→…

Q: Considering the limiting reactant, how much heat is produced at constant pressure if 0.243 g of…

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Q: 4) Are the following processes exothermic or endothemic? a) When solid KBr is dissolved in water,…

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Q: Reactions between acids and bases (neutralization reactions) are exothermic. You have a solution of…

A: Given : Neutralisation reactions i.e reactions between acids and bases are exothermic in nature. You…