Calorimeter is a device that could be used to measure a quantity of heat that is transferred to or from an object to another. Which of the following statements could represent the meaning of heat.

Is a force

Is a unique constant for each material

A type of energy

Is the difference between surroundings and the system

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daotramanh19112010Lv1

10 Dec 2023

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17 Dec 2019

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A bomb calorimeter, or a constant volume calorimeter, is a device often used to determine the heat of combustion of fuels and the energy content of foods. In an experiment, a 0.3833 g sample of phenanthrene (C14H10) is burned completely in a bomb calorimeter. The calorimeter is surrounded by 1.284Ã103 g of water. During the combustion the temperature increases from 22.04 to 24.54 Â°C. The heat capacity of water is 4.184 J g-1Â°C-1. The heat capacity of the calorimeter was determined in a previous experiment to be 909.2 J/Â°C. Assuming that no energy is lost to the surroundings, calculate the molar heat of combustion of phenanthrene based on these data. C14H10(s) + (33/2) O2(g) 5 H2O(l) + 14 CO2(g) + Energy

Solve for Molar Heat of Combustion = kJ/mol