In a coffee cup calorimeter, a student places 0.500 g of calcium, followed by addition of 50.0 mL of 1.00 M hydrochloric acid. After the reaction took place, a temperature change of 24.7oC was observed. If the reaction solution has the same properties of water and the calorimeter constant is 5.10 J oC-1, what is the enthalpy of reaction in kJ mol-1? (Note: The mass of solution is

Q: In a constant‑pressure calorimeter, 65.0 mL of 0.350 M Ba(OH)2 was added to 65.0 mL of 0.700 M HCl.…

A: Given:65.0 mL of 0.350 M Ba(OH)265.0 mL of 0.700 M HCl.Ba(OH)2 + 2 HCl → BaCl2 + 2 H2O

Q: In an insulated bomb calorimeter, 0.568 g of solid citric acid (C6H8O7, molar mass 192.12 g) was…

A:

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: Measurements show that the enthalpy of a mixture of gaseous reactants increases by 253. kJ during a…

A: The sign convention for heat flow are as follows : When the heat flows into the system, a positive…

Q: Find the molar enthalpy in kJ per mol of H2 of the reaction: H2(g) + Cl2(g) → 2 HCl(g) given that…

A: Given reaction; H2(g) + Cl2(g) → 2 HCl(g) Given amount of water m = 481 g Heat capacity of water c =…

Q: 3. A quantity of 1.00 x 10° mL of 0.500 M HC1 was mixed with 1.00 x 10° mL of 0.500 M NAOH in a…

A: Density of solution = 1 g/mL Volume of HCl = 100 mL Volume of NaOH = 100 mL Mass of solution =…

Q: A student runs two experiments with a constant-volume "bomb" calorimeter containing 1100.g of water…

A:

Q: In a constant‑pressure calorimeter, 50.0 mL of 0.310 M Ba(OH)2 was added to 50.0 mL of 0.620 M HCl.…

A:

Q: When 50.0 mL of 1.20 M of HCl(aq) is combined with 50.0 mL of 1.30 M of NaOH(aq) in a coffee-cup…

A:

Q: he combustion of 1.00 mol of glucose (C6H12O6) liberates 2820 kJ of heat. If 1.17 g of glucose is…

A:

Q: A sample of NaOH (MM = 40.00 g/mol) with a mass of 1.812 g was added to a solution of HNO3 in a…

A: Heat absorbed = heat emitted

Q: 148 g sample of solid LiI-3H₂O (s) is dissolved in 212 mL of water in a coffee cup calorimeter. Once…

A: Givenmass of LiI.3H2O = 148 g Volume of water = 212 mL Final temperature= 18.69°C We have to find…

Q: Next, 4.490 g of ethylene (C₂H4) are put into the "bomb" and similarly completely burned in an…

A:

Q: 4.900g of acetylene C2H2 are put into the "bomb" and similarly completely burned in an excess of…

A: Heat (q) gained or released is calculated using the following formula- q = m×C×∆T where m is the…

Q: A bomb calorimetry experiment is performed with xylose, CSH10OS (S), as the combustible substance.…

A: Given data, Mass of xylose burned = 2.059 g Heat capacity of calorimeter = 4.728 kJ/ oC Initial…

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: Measurements show that the energy of a mixture of gaseous reactants increases by 202. kJ during a…

A:

Q: In an insulated bomb calorimeter, 0.568 g of solid citric acid (C6H&O7, molar mass 192.12 g) was…

A:

Q: A generic solid, X, has a molar mass of 76.0 g/mol. In a constant‑pressure calorimeter, 37.7 g of X…

A: Solution:-

Q: 13.4gof NH4Clis dissolved in 150mLof water in a coffee-cup calorimeter, and the temperature of the…

A: moles of NH4Cl = mass / molar mass of NH4Cl                           = 13.4 g / 53.5 g/mol…

Q: In an coffee cup calorimeter experiment, sodium hydroxide (7.17 g) was dissolved in water (86.6 g).…

A: Enthalpy of solution :-           It is the amount of heat released or absorbed in the system…

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: In a constant‑pressure calorimeter, 70.0 mL of 0.350 M Ba(OH)2 was added to 70.0 mL of 0.700 M HCl.…

A: Given information: Volume of Ba(OH)2 = 70.0 mL Volume of HCl = 70.0 mL Concentration of Ba(OH)2 =…

Q: The following reaction was performed in a constant volume bomb calorimeter: 2N2O(g)  +  3O2(g)   →…

A: Given:  Delta H = -31.7 KJ /°C  Delta T = 0.385 °C  Heat capacity = 5.16 KJ/°C

Q: Measurements show that the energy of a mixture of gaseous reactants increases by 369. kJ during a…

A: We have to calculate the change in enthalpy and nature of reaction.

Q: Consider the following reaction: 2C6H6() + 15 O2(g)- 12 CO2(g) + 6 H20() AH = -5.869 x 103 kJ An…

A: Each reaction takes place account to their stoichiometric radio and account to those things the heat…

Q: Under a constant pressure of 1.00 atm, at 25.00oC, the combustion of 1.136 g of C6H12O3(l) raises…

A:

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: A bomb calorimetry experiment is performed with xylose, CSH10OS (s), as the combustible substance.…

A: ,given xylose burned=1.823gmheat capacity of calorimetre=4.728KJ/°Cinitial temperature=23.29°Cfinal…

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: 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: Measurements show that the energy of a mixture of gaseous reactants increases by 385. kJ during a…

A: We have to calculate the change in enthalpy and nature of reaction.

Q: Measurements show that the enthalpy of a mixture of gaseous reactants decreases by 151. kJ during a…

A: Enthalpy of a mixture of gaseous reactants are decreased by 151 KJ and - 92 KJ of work is done…

Q: How much heat was absorbed by the solution?

A: For constant pressure calorimeter, we know that The heat absorbed by the calorimeter is given by…

Q: The fat, glyceryl trioleate (C57H10406), is metabolized via the following reaction. Given the…

A:

Q: A 0.0950 mol sample of benzoic acid (C7H6O2, MM = 122.12) was combusted in a bomb calorimeter and…

A: Calorimeter constant of a Calorimeter is calculated by dividing the heat of reaction (ΔH) by the…

Q: ICI is a corrosive colourless gas that dissolves readily in water. Aqueous HCL reacts with NaOH to…

A:

Q: You mix 125 mL of 0.270 M CsOH with 50.0 mL of 0.675 M HF in a coffee-cup calorimeter, and the…

A: Given: 125 ml of 0.270 M CsOH 50 ml of 0.675 M HF Temperature T1 = 22.30 +273 = 295.3 K T2 = 25.42 +…

Q: constant‑pressure calorimeter, 23.323.3 g of X is dissolved in 297297 g of water at 23.00 °C.…

A:

Q: Measurements show that the energy of a mixture of gaseous reactants decreases by 249. kJ during a…

A:

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…