10) Which of the following does NOT represent an assumption that is made when using a simple calorimeter?* O The system is isolated. O The thermal energy echanged with the calorimeter parts is negligable. If something dissolved in or reacts with the water in the calorimeter, the resulting solution retains the properties of water. O The final temperature is always the maximum temperature recorded. O The process takes place under constant pressure. Identify the potential energy diagram(s) that represent the reaction that has the largest Ea(fwd) * II IV Reaction Progress %D II IV O O O O Potential Energy

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: The mixture of 44.0 mL of 0.280 M barium hydroxide and 44.0 mL of 0.300 M hydrobromic acid results…

A: No of moles of Ba(OH)2=  0.280 M × 0.044 L =0.01232 mol No of moles of HBr = 0.300 × 0.044 L =0.0132…

Q: Àn aluminum (specific heat capacity = 0.90 Jig-*Č) calorimeter of mass 100 g contains 251 g of water…

A: Please find your solution below :

Q: 0.050 mol of Substance A and 0050 mol of Substance B are allowed to react in a well-insulated…

A: Answer: -52 KJ/mol

Q: internal energy of the system is expected to increase/ decrease Sign and symbol Heat (q) is…

A: We need to determine change in internal energy when heat is given, taken, work is done, work is…

Q: f 112g of water at 54oC is mixed in a calorimeter with a 95g sample iron at 139oC, what is the final…

A: Given data: Mass of water(m1) = 112 gms       Its temperature(T1) = 54°C Mass of iron(m2) = 95 gms…

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: A heated gas expands and presses on a piston. In this example, work is done: A) By the gas on the…

A: If the gas is heated, it will expand and push the piston up, thereby doing work on thepiston

Q: In the determination of heat of neutralization using a coffee-cup calorimeter, determine the effect…

A: A coffee cup calorimeter is well insulated so that it is able to prevent the loss of heat to the…

Q: 0.15 moles of hydrochloric acid was neutralised by 0.50 moles of sodium hydroxide solution in a…

A: i) HCl is a strong acid while NaOH is strong base, so when they react with each other, they undergo…

Q: What is true of the heat content for a system at constant pressure? O t is higher than a property…

A: The heat content of a system at constant pressure is the same as property called the enthalpy of the…

Q: hen 92.00 grams of fictional compound X is added to water to make 531.0 grams of solution, the…

A:

Q: mass of metal=56.100g mass h2o=82.69g ti water=20.9c ti metal=92.7c tf metal and water=25.5c ^t of…

A: The heat transferred during the reaction can be determined from the given equation. The temperature…

Q: The addition of 1.210 g of zinc metal to 0.100 L of 0.1851 M HCl in a coffee cup calorimeter causes…

A: In any particular reaction, enthalpy change that causes at pressure constant condition is considered…

Q: A system constant external pressu undergoes an increase in volume. What is the effect on the…

A: A system under constant external pressure undergoes an increase in volume . So effect on…

Q: Two aircraft rivets, one iron and the other copper, are placed in a calorimeter that has an initial…

A: Given: Initial Temperature=20°C

Q: , When 25.0 mL of 1.00M HNO3at 25.0oC is added to 25.0 mL of 1.00M KOH at 25.0oC in a coffee cup…

A: The reaction of acid and base results in the formation of salt and water and heat is evolved. This…

Q: 50 mL of 2.2 M HCI is combined with 50 mL of 2.0 M NAOH in a coffee-cup calorimeter. The temperature…

A: Hello. Since multiple questions have been posted, the first question shall only be solved in this…

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: A 5.000 g sample of methanol, CH3OH, was combusted in the presence of excess oxygen in a bomb…

A: Specific heat capacity is the amount of heat that is required to rise a temperature of 1 kg…

Q: A gaseous fuel mixture contains 23.1% methane (CH,), 43.4% ethane (CHe) and the rest propane (C3H3)…

A: Given: Total volume of fuel mixture = 1.46 L Pressure =745 mmHg = 0.98026 atm Temperature = 298 K %…

Q: Calorimetry calculations often assume no heat exchange between the calorimeter and the surroundings,…

A: The physical change or heat of a chemical reaction as well as heat capacity is determined by the…

Q: Information gathered from the Calorimetry Experiment: Mass of tire wire = 5.0 g Mass of water…

A: GIven: Mass of tire wire,mT = 5.0 g Mass of water,mw=200.5 g Initial Temperature of Water,Tw= = 30oC…

Q: Consider the dissolution of CaCl2: CaCl2 (s) → Ca+ (ag) + 2 Cl (aq) AH = -81.5 kJ An 11.8-g sample…

A: Calculate the heat released when 11.8 g of CaCl2 is dissolved:

Q: In a constant‑pressure calorimeter, 60.0 mL of 0.310 M Ba(OH)2 was added to 60.0 mL of 0.620 M HCl.…

A: Interpretation -  To determine the heat ( Δ) for this reaction (per mole H2O produced) when in a…

Q: Which of the following which is/are true about the internal energy, E?   (i) The total energy of…

A: Internal Energy is defined as energy dissociated with the random, disordered motion of Molecules.

Q: A bomb calorimeter can be used to measure the enthalpy of reaction for combustions, such as the…

A:

Q: To measure enthalpy of a reaction, we can use calorimetry under what condition? O constant…

A: In this question, we will see the condition for measuring enthalpy of a reaction by using…

Q: when 1.50 L of 1.00 M sodium sulfate at 30.0° C is added to 1.50 L of 1.00 M barium nitrate solution…

A: The balanced chemical equation for the sodium sulfate and barium nitrate can be written as: The…

Q: A calorimeter contains 140 g water. The calorimeter and the water inside are both at 24 °C. A piece…

A: Please find the answer attached

Q: Measurements show that the enthalpy of a mixture of gaseous reactants decreases by 394, kJ during a…

A:

Q: If 20.0 ml of 3.0 M HCl solution and 20.0 ml of 3.0 M NaOH solution at 215Care mixed in a…

A: Given data  Volume of HCl = 20.0 mL Molarity of HCl = 3.0 M Volume of NaOH = 20.0 mL Molarity of…

Q: Which of the following statements is/are TRUE? I. Enthalpy is the heat content of a particular…

A: As this a multiple choice question. The answer is given below:

Q: Which of the following statements is incorrect?   Heat flows from a system into the surroundings…

A:

Q: When the fuel mixture contained in a 1.56 L tank, stored at 754 mmHg and 298 K, undergoes complete…

A:

Q: If a sample of salt is in water in a constant pressure calorimeter with a heat capacity of 35.5 J/℃…

A: Heat of dissolution :-            The enthalpy of solution, enthalpy of dissolution, or heat of…

Q: ich represents the definition of pressure A) volume x force B) volume/density C) force/area D)…

A: The specific heat can be defined as the amount of heat per unit mass that is needed to raise the…

Q: A gaseous fuel mixture contains 24.2% methane (CH4), 40.5% ethane (C₂H6) and the rest propane (C3H8)…

A: Given, Methane (CH4) = 24.2 %Ethane (C2H6) = 40.5 %Propane (C3H8)=35.3 %

Q: A 0.500 g sample of C7H5N2O6 is burned in a calorimeter containing 600. g of water at 20.0∘C. If the…

A: The molar mass of the compound is 213.12 g/mol. The number of moles of the compound is calculated…

Q: A 1.00 g sample of the rocket fuel hydrazine (N2H4) is burned in a bomb calorimeter. The temperature…

A: Given, Mass of sample = 1.0 g The initial temperature, T1 = 24.62 oC. Final temperature is T2 =…

Q: A 3.971 g sample of a new organic material is combusted in a bomb calorimeter. The temperature of…

A: The total heat can be calculated as,

Q: . 1.250 L of a 0.7601 mol/L Sodium Sulfide aqueous solution is mixed with 500.0 mL of a 0.7450mol/L…

A: Given, the chemical reaction takes place between sodium sulfide and lead nitrate. 1.250 L of a…

Q: A bomb calorimeter can be used to measure the enthalpy of reaction for combustions, such as the…

A: Interpretation-  To determine the final temperature of the calorimeter when a bomb calorimeter can…

Q: A sample of 0.562 g of carbon is burned in oxygen in a bomb calorimeter, producing carbon dioxide.…

A: Given: Mass of carbon = 0.562 g Initial temperature = 26.74°C Final temperature=27.93°C To find; The…

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

A: Heat absorbed by calorimeter=Heat capacity of calorimeter×Temperature change…

Q: A bomb calorimeter can be used to measure the enthalpy of reaction for combustions, such as the…

A: Given: ΔHcombustion = –1958 kJ/mol mass of diborane = 0.411 g heat capacity (Ccalorimeter) = 7.854…

Q: Question are attached

A: To calculate, the amount of heat released or absorbed for a process, the equation used is: q = m × C…

Q: In a coffee cup calorimeter, 10.0mL of 1.00M AgNo3 and 10.0mLof 1.00M NaCl are mixed and the…

A: Volume of 1M AgNO3 solution = V1 = 10.0 mLVolume of 1M NaCl solution = 10.0 mL = V2V = V1 + V2V =…

Types of Polymers on the basis of Method of Preparation