A 3.450 g of propane (molar mass = 44.11 g/mol) was placed in a bomb calorimeter with excess oxygen and ignited. The initial temperature of the calorimeter was 24.000 degrees celsius and its total heat capacity was 76.65 kJ * C^-1. The reaction raised the temperature of the calorimeter to 28.965 degrees celsius.  a. What is the heat exchangged by the reaction in kilojoules, qrxn?  b. Calculate the deltaE rxn for the combustion of propane in kilojoules per mole c. Work in this reaction is done on the system, done on the surroundings, or equal to zero? Why?

Q: A 25.0 g block of copper (specific heat capacity 0.380 J/g･°C) at 81.2 °C is placed into 500.0 g of…

A:

Q: A calorimeter contained 81.0 g of water at 15.49°C. A 104-g sample of iron at 63.54°C was placed in…

A:

Q: A 20.0 g block of iron (molar heat capacity 25.1 J/mol･°C) at 74.6 °C is placed into 200.0 g of…

A: Given data: For iron; m=20.0 g Molar heat capacity of iron, Cm,P = 25.1 J mol-1℃-1 Temperature, T1=…

Q: Sulfur (2.56 g) was burned in a constant volume bomb calorimeter with excess oxygen gas. The…

A: The mass of water in the given experiment is = 841 g Increase in the temperature of the water is =…

Q: A sample of polystyrene, which has a specific heat capacity of 1.880J·g−1·°C−1 , is put into a…

A:

Q: A 498.00 sample of an unknown metal at 92.15°C is placed in a calorimeter containing 185.00 mL of…

A: At the thermal equilibrium, the heat lost by the metal is equal to the gained by the water.…

Q: the 10.0 g sample of metal is heated to 100.0 degrees celsius and then added to 20.0 g of water at…

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

Q: When methanol, CH,OH, is burned in the presence of oxygen gas, 0,, a large amount of heat energy is…

A:

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

A: Step : 1             calculate the heat produced by the combustion of methanol.

Q: Under constant-volume conditions, the heat of combustion of glucose (C6H6O6) is 15.57 kJ/g. A…

A: Solution -

Q: A 25.0 g block of copper (specific heat capacity 0.380 J/g･°C) at 47.2 °C is placed into 500.0 g of…

A: We have to calculate the temperature change for the Copper block.

Q: A chemist wastes a delicious brownie by burning it in a bomb calorimeter.  Before burning, the…

A: Given: The change in temperature of the calorimeter, (∆T) = 8.75 0C. The heat capacity of…

Q: A 50.0 g sample of metal releases 1520 J of thermal energy when its temperature drops from 100.0…

A:

Q: A 25.0 g block of copper (specific heat capacity 0.380 J/g･°C) at 42.4 °C is placed into 500.0 g of…

A: Given, For copper block: Mass of the copper block (mCu) = 25.0 g Specific heat capacity of copper…

Q: 6. A student is determining the enthalpy of solution for ammonium nitrate by adding ammonium nitrate…

A: The enthalpy of solution, or the heat of solution, is the total amount of heat energy that is…

Q: A bomb calorimeter, or constant volume calorimeter, is a device often used to determine the heat of…

A:

Q: Calculate the heat (in kJ) for a 2.80 kg system changing temperature from 85.0 oC to 10.0 oC? The…

A: The heat is to be calculated

Q: When a 63.40 gram mass taken from an unknown metal at 87.80 80C is placed in a calorimeter…

A: The specific heat capacity is calculated by the formula, Q=m.c.∆T Q is the energy transferred m is…

Q: 670J·g−1·°C−1 , is put into a calorimeter (see sketch at right)that contains  300.0g  of water. The…

A:

Q: When 0.625 grams of ethanol (C2H5OH) undergoes combustion in a bomb calorimeter attaining a…

A: Mass of ethanol (C2H5OH); M = 0.625 grams Temperature difference ; ∆T = 2.8°C heat capacity of the…

Q: One tablespoon of cookie dough has a mass of 13.02 g13.02 g. It is combusted in a calorimeter whose…

A:

Q: A 25.0 g block of copper (specific heat capacity 0.380 J/g･°C) at 49.2 °C is placed into 500.0 g of…

A:

Q: ха Br CI + Н. H3C Н water Он Н ОН H3C-OH

A: This problem is based on general organic chemistry reaction mechanism.Here, the reactions are…

Q: A 13.6 g metal block is warmed to 79.7°C and plunged into an insulated calorimeter containing 46.2 g…

A:

Q: A 25.0 g block of copper (specific heat capacity 0.380 J/g･°C) at 59.8 °C is placed into 500.0 g of…

A: Given data is as follows: The mass of copper = 25.0 g The specific heat capacity of copper = 0.380…

Q: A 25.0 g block of copper (specific heat capacity 0.380 J/g･°C) at 44.6 °C is placed into 500.0 g of…

A: We have to calculate the change in temperature for metal block.

Q: A hot 115.8115.8 g lump of an unknown substance initially at 181.3181.3 °C is placed in 35.0 mL of…

A:

Q: A 25.0 g block of copper (specific heat capacity 0.380 J/g･°C) at 36.2 °C is placed into 500.0 g of…

A: We will calculate change in temperature in copper block using: Heat lost by copper block= hear…

Q: A 2.62E1 g sample of aluminum at 1.008E2 °C is added to 1.002E2 g of water at 2.22E1 °C in a…

A: For a chemical reaction or physical process to occur a certain amount of energy should be furnished…

Q: . A piece of an iron metal of unknown mass is heated to 325.9 o C and then placed in a styrofoam…

A: Given, Initial temperature of iron = 325.9 °C Volume of water = 225.2 mL Initial temperature of…

Q: A sample of zirconium experiences a temperature change of +790.5 K while absorbing 150820 joules of…

A: The change in temperature (∆T) = + 790.5 K The heat (q) = 150820 J The specific heat capacity (c) =…

Q: In order to determine the heat capacity of their latest phone, CrabappleTM engineers cool the phone…

A: Heat absorbed by phone = heat given by the calorimeter C1× Change in temperature of phone = C2 ×…

Q: A piece of metal with a specific heat of 0.77 Jg-1°C-1 at 1164.7 °C is dunked into a beaker…

A:

Q: The combustion of 2.067 g of propanol (C, H,OH) increases the temperature of a bomb calorimeter from…

A: Given : Mass of C3H7OH combusted = 2.067 g Initial temperature of calorimeter = 298.00 K Final…

Q: An electrical heater is used to add 18.25 kJ of heat to a constant-volume calorimeter. The…

A: Divide 18.25 kilojoules of heat by the rise observed in the temperature of calorimeter.

Q: Calculate the heat capacity of Al in J/mol °C.

A:

Q: A 2.59 g sample of a substance suspected of being pure gold (Cs = 0.128 J g−1°C−1) is warmed to 81.3…

A: The objective of this question is to determine the heat capacity of an unknown substance, suspected…

Q: A 5.006 g sample of methanol, CH3OH, was combusted in the presence of excess oxygen in a bomb…

A: Since the question number is not mentioned, we will answer both the questions.

Q: A 24.0 g sample of an unknown metal at 99.0 °C was placed in a constant-pressure calorimeter…

A: Mass of the metal = 24 gInitial temperature of the metal = 99 oCFinal temperature of the metal =…

Q: One tablespoon of cookie dough has a mass of 12.50 g12.50 g. It is combusted in a calorimeter whose…

A: The energy released by 12.50 g cookie dough can be calculated by the following formula.…

Q: An 8.000 g sample of methane, CH4, was burned in a bomb calorimeter whose total heat capacity is…

A: Answer:- This question is answered by using the simple concept of calorimetry which states that heat…