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

A: given data is moles of the sample is 0.700 moles  volume is 150.0ml solution temperature is…

Q: Zinc metal reacts with hydrochloric acid according to the following balanced equation:…

A: Given reaction is:    Zn (s) + 2 HCl (aq) → ZnCl2 (aq) + H2 (g)

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

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Q: Measurements show that the enthalpy of a mixture of gaseous reactants decreases by 191. kJ during a…

A: The enthalpy change of the given reaction is = -191. kJ The work done by the gas mixture is =-63. kJ…

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: For the reaction HCI(g) + NH3(g) NHẠCI(s) AG° = -90.0 kJ and AS° =-284.8 J/K at 302 K and 1 atm.…

A: Given reaction; HCl(g) +  NH3 (g)  ----->  NH4Cl(s)  and, ∆G° = -90.0 KJ and ∆S°  = -284.8 J/K at…

Q: When 20.0 mL of 0.200 M A9NO3 and 30.0 mL of 0.100 M NaCl, both at 24.72°C, are mixed in a…

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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: 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…

A:

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:

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: The standard heat of formation for Ag2CrO4(s) is -712 kJ/mol at 298 K. Write the formation equation…

A: The equation for the heat of formation reaction can be written as, 2Ag++CrO4-2→ Ag2CrO4 ∆H=-712…

Q: A student dissolves 10.2 g of sodium hydroxide (NaOH) in 200. g of water in a well-insulated open…

A: According to the law of calorimetry heat absorbed by a system is given by the following expression…

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

A:

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: A student makes the following observation: when you mix two solutions (each originally at the same…

A: Given: When you mix two solution's, the temperature of the resulting solution decreases. This is an…

Q: reaction

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

Q: In the laboratory a general chemistry student finds that when 0.73 g of KOH(s) are dissolved in…

A: The given mass of KOH = 0.73 g The given mass of water = 100.40g Total mass of the solution (m) =…

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: Use constant-pressure calorimetry to determine enthalpy change. The salt cobalt(II) chloride is…

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

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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: In a constant‑pressure calorimeter, 75.0 mL75.0 mL of 0.900 M H2SO40.900 M H2SO4 was added to 75.0…

A: Calorimeter is a device that measures the heat. The process is called calorimetry. If the process…

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: The standard heat of formation for Ag2CrO4(s) is -712 kJ/mol at 298 K. Write the formation equation…

A: Given, standard heat of formation for Ag2CrO4(s) is -712 kJ/mol. The term "standard heat of…

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: nitial temperature of a reaction is 10.0oC. When temperature increases to 20.0oC, the equilibrium…

A: we know ln k2k1=∆HR1T1-1T2where , k2= final rate constant                k1=Initial rate 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: A well insulated calorimeter containing 100 ml of water was calibrated by dissolving a known amount…

A: the calibration constant = change in enthalpy (KJ) / change in temperature (C) Given: T1 = 18.00oC ,…

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: In a neutralization reaction in a well-insulated calorimeter, 112.9 g of 1.2915 M NaOH were added to…

A: Given: Mass of NaOH solution = 112.9 g. Mass of HCl solution = 129.1 g. concentration of NaOH =…

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: The experimental enthalpy of dissolution of ammonium chloride were determined using another…

A: Moles of NH4Cl ,n =  0.022 mol Change in temperature,∆T =  -10.3°C mass of the solution: 51.7 g…

Q: When 35.0 mL of 0.250 M acetic acid solution, initially at 25.00oC, is added to excess dilute sodium…

A: It  involves usage of calorimetry technique to calculate enthalpy change for the reaction.…

Q: For the reaction H₂(g) + C₂H4 (9) → C₂H6 (9) AG = -97.5 kJ and AS° = -120.7 J/K at 327 K and 1 atm.…

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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: In a constant‑pressure calorimeter, 55.0 mL55.0 mL of 0.900 M H2SO40.900 M H2SO4 was added to 55.0…

A: given: total volume = 55 ml + 55 ml = 110 ml = 110 g mass of solution = 110 g specific heat C =…

Q: In a neutralization reaction in a well-insulated calorimeter, 112.9 g of 1.2915 M NAOH were added to…

A: Given: Mass of NaOH solution = 112.9 g. Mass of HCl solution = 129.1 g. concentration of NaOH =…

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…