Heat capacity of calorimeter 1. Temperature of calorimeter water 22.0 °C 2. Temperature of hot water 38.9 °C 3. Max temperature of the final solution (obtained mixing the cold and hot water volumes) 30.1 °C 4. Heat lost by warm water 5. Heat gained by cooler water 6. Heat lost to calorimeter 7. Heat capacity of calorimeter 8. Convert heat capacity into J/C

Q: A piece of metal with mass 20.00 g at room temperature [25.0oC] was heated up to 90.0oC. This metal…

A: a) The amount of heat water gained is given by Q as Q = mCΔT where m = mass of water = density X…

Q: Consider the dissolution of CaCl₂: CaCl₂(s) → Ca²⁺(aq) + 2Cl⁻(aq) ∆H = -81.5 kJ/mol A 15.0-g sample…

A: The mass of CaCl2 is 15.0 g. The mass of water is 145 g. The initial temperature of both water and…

Q: A sample of lead is heated to 189.4oC.  It is then placed in a cup containing 32.8 g water at…

A: The relationship between heat , specific heat capacity and change in temperature is given by the…

Q: H.W) How much heat energy is needed to raise the temperature by 15°C of: (1)25 g water (µ=4.148 J/(g…

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Q: Consider the dissolution of CaCl₂: CaCl₂(s) → Ca²⁺(aq) + 2Cl⁻(aq) ∆H = -81.5 kJ/mol A 15.0-g sample…

A: Given reaction is: CaCl₂(s) → Ca²⁺(aq) + 2Cl⁻(aq)      :∆H = -81.5 kJ/mol Mass of CaCl2 = 15.0 g…

Q: To treat a burn on his hand, a person decides to place an ice cube on the burned skin. The mass of…

A: Given Temperature range = -14.1°c to 29.5°c Mass = 17.3g Standard values  Specific heat of ice =…

Q: How much heat is rel;eased to the surroundings when 5.00g of CO2 is produced according to the…

A: .reaction given in question states that 2220 kj energy released in production of 3 moles of CO2 .…

Q: A piece of titanium metal with a mass of 24.8 g is heated in boiling water to 99.5 °C and then…

A: Given that: mass of titanium metal = 24.8 g mass of coffee-cup =75.0 g specific heat capacity of…

Q: You heat approximately one cup (250 g) of water on the stove from 23 oC (~ room temperature) to 99…

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Q: A calorimeter contains 150 g water. The calorimeter and the water inside are both at 22 °C. A piece…

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Q: Consider the following chemical reaction:   CS2(g)  +  3Cl2(g)  --->  S2Cl2(g)  +  CCl4(g);…

A: In the given equation is △H  is negative , so the given reaction is exothermic reaction.  1 mole of…

Q: A 87.3 g chunk of concrete (specific heat: 0.85 J/g°C) is heated to 371.2 °C and dropped into a…

A: Using the heat capacity formula we can find final temperature , q = m x Cs x (Tf-Ti)  m = mass  Cs=…

Q: 4. Was heat being added to the system during the times that the temperature remained rela- tively…

A: Law of conservation of energy states that energy can neither be created nor  be destroyed but can…

Q: A 2.409 g sample of a new organic material is combusted in a bomb calorimeter. The temperature of…

A: Given that, a 2.409 g of an organic compound is combusted in bomb calorimeter. So, mass is m = 2.409…

Q: The evaporation of water is endothermic H2O(l)+44.01kj------>H2O(g) If 275kj of heat is absorbed,…

A: Given reaction,      H2O(l) + 44.01kj → H2O(g)   Calculate the moles of H2O evaporated,         275…

Q: hot (158°F) of metal has a mass of 250 g and a specific heat of 0.25 cal/g·C°. John drops the metal…

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Q: The specific heat capacity of a pure substance can be found by dividing the heat needed to change…

A: Given - Heat capacity of the substance = 4.78Jg.°C            Mass of the substance = 189 g…

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: How much heat is released if 2.00 moles CF2Cl2 reacts with 70.0 g F2 with a 75.0 percent yield?…

A: The reaction taking place is  CF2Cl2 + F2 ------> CF4 + Cl2…

Q: A 45.0 g block of metal at 99.5 °C was dropped into 150.0 g of water at 24.00 °C. The temperature of…

A: Given: Mass of metal = 45.0 g. Initial temperature of metal = 99.5 oC Mass of water = 150.0 g…

Q: Consider the dissolution of CaCl2: CaCl2 (s) → Ca²+ (ag) + 2 Cl¯ (aq) AH = -81.5 kJ An 11.0-g sample…

A: Since when 1 mole of CaCl2 dissolves, heat released = -ΔH = 81.5 KJ  Hence heat released = moles of…

Q: A 7.00 g sample of liquid water at 25.0 °C is heated by the addition of 147 J of energy. The final…

A: Heat absorbed by water  = mass of water × Specific heat capacity × temperature change  Temperature…

Q: When 108 g of water at a temperature of 23.1 °C is mixed with 66.1 g of water at an unknown…

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Q: The heat of combustion (∆H) for propane (molar mass 44.11 g/mol) is -2222 kJ/mol. The heat generated…

A: For propane Heat of combustion = - 2222 KJ Mass of propane = 1.085 g Molar mass of propane = 44.11…

Q: A 440.0 g quantity of a certain metal is heated to 100.0 C. It is immediately placed into 258 g of…

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Q: A piece of metal weighing 65.124 g at 23.7 °C and then put it into 100.0 g of water (initially at…

A: Given: Mass of metal = 65.124 g Initial temperature of metal = 23.7 oC Mass of water = 100.0 g…

Q: A gold coin whose mass is 8.75 g is heated to 121.1°C and then quickly dropped into an ice…

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Q: The molar heat of solution (AH,0ln) of sodium hydroxide is -445.1 kJ/mol. In a certain experiment,…

A: Molar heat of solution is defined as the energy released or absorbed per mole of solute being…

Q: How much heat? 3kg water, 0oC--> 100oC

A: We have :Mass of water = 3 kgInitial temperature = 0 °CFinal temperature = 100 °CSpecific heat of…

Q: The heat of combustion (∆H) for propane (molar mass 44.11 g/mol) is -2222 kJ/mol. The heat generated…

A: Molar heat capacity (C) :-  The amount of heat required to rise the temperature of 1 mole of a…

Q: A metal object with mass of 20.5 g is heated to and then transferred to an insulated container…

A: when we mix to object then it grow from high temperature too low temperature . so apply principle of…

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: Calcium chloride is dissolved in 212 g liquid water in a coffee cup calorimeter. The temperature of…

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Q: 67.0 mL of hot water (45.4 oC) is added to 45.0 mL of cold water (22.3 oC).  Upon mixing the water…

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Q: 2CO (g) + O2(g) --> 2 CO2(g) delta H = -566 KJ endothermic or exothermic 2.8 g of CO let to react…

A: Combustion reaction are exothermic in Nature because energy released in combustion reaction

Q: Substance Z has a specific heat capacity of 0.458 J/g°C Substance Y has a specific heat capacity of…

A: The answer to the following question is given as:

Q: CaCl₂(s) → Ca²⁺(aq) + 2Cl⁻(aq) ∆H = -81.5 kJ/mol A 15.0-g sample of CaCl₂ is dissolved in 265.0 g…

A: Energy released by dissolution of CaCl2 will leads to increase in temperature of water.

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: What mass of methane (CH4) must be burned to release 185 kJ of heat?  CH4 (g) + 2O2(g) → CO2(g) + 2…

A: Solution:-

Q: A 68.42 gram copper metal is heated to 134°C and dropped into 110.56 gram of water at an initial…

A: The details solution for this is provided below in attach image.

Q: A fuel was used to heat water in a calorimetry experiment. When butane was burnt, 96070.0 J of heat…

A: Ans is given below

Q: 2) The specific heat capacity of iron is 0.461 J/g K and 0.544 J/g K for titanium. A sample…

A: Given,Specific heat capacity of iron = 0.461J/gK.Specific heat capacity of titanium = 0.544J/gK.Mass…

Q: The burning of 28g of vegetable cause the temperature of 58.18 g of water in a soda can calorimeter…

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Q: [11] A 10.00 g sample of a metal alloy was heated to 88.99 °C. It is then quickly dropped into 40.0…

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Q: A 5.1-gram piece of gold jewelry is removed from water at 100.0°C and placed in a coffee-cup…

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Q: 2. A 4.348 g sample of NaOH(s) is dissolved in 100. g of water in a calorimeter, the temperature…

A: In this question we have to calculate the heat of Reaction by the given data of the calorimeter.

Q: A 4.70-g sample of aluminum pellets (specific heat capacity = 0.89 J °C- g) and a 10.00-g sample of…

A: Since the heat lost by both metals will be used in increasing the temperature of the water  Q = mCΔT…

Q: What mass of methane (CH4) must be burned to release 185 kJ of heat?        CH4(g) + 2O2(g) à…

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Q: As a lab experiment, a 10.0 g sample of iron metal, specific heat = 0.444 J/ g*oC, is heated from…

A: Mass of Fe = 10.0 g Mass of water = 50 g Initial temperature of Fe = 1600 °C Initial temperature of…

Q: What mass of water could be warmed from 24.7°C to 50.6°C by the pellet dropped inside it? Heat…

A: Energy given up by the pellet is equal to heat capacity multiplied with change in temperature, is…