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These are some hints that will help you to answer
your questions:
- Experiment
- Step 1
Measure 100 mL of water and pour it into an empty soda can. Suspend the thermometer in the water using Sticky Tack in the lip to hold it in place. The thermometer should not touch the bottom or sides of the can. This device is called a calorimeter.
- Step 2
Cut the other soda can 1 or 2 inches from the bottom. Throw away the top. Measure the mass of the bottom of the soda can. Measure the mass of the candle, and place it in the bottom of the soda can.
- Step 3
Check the temperature of the water. Light the paraffin candle and, holding your calorimeter with the tongs, move it over the burning paraffin just high enough so there is enough oxygen to keep the fire burning. Be careful not to touch the can or burn yourself.
Calculations - Step 4
Watch the thermometer and note the temperature when the candle stops burning. Measure the mass of the candle in the bottom of the soda can and subtract the mass of the bottom of the soda can as measured in Step 2.
- Step 1
Subtract the final candle mass from the initial candle mass to calculate the total mass burned. Subtract the initial temperature from the final temperature to measure the change in temperature.
- Step 2
Assume 1 mL of water equals one gram; therefore, this experiment used 100 grams of water, and it takes 4.18 Joules (J) to raise 1 gram of water 1 degree Celsius. Multiply the grams of water by the change in temperature by 4.18 J to measure the total thermal energy it took to bring the temperature to its highest point in Joules.
- Step 3
Divide the the thermal energy created by mass (in grams) of the candle that were burned to calculate the heat of combustion of paraffin wax expressed in J/g.
What else can I help you with?
Molar Enthalpy of Candle Wax C25H52?
The molar enthalpy of combustion for candle wax (C25H52) is approximately -9866 kJ/mol, meaning this much energy is released when one mole of candle wax is burned completely in oxygen.
What form of energy is being used as a candle burns?
The chemical energy stored in the candle wax.
What is the process that can change candle wax into carbon and water?
The process that can change candle wax into carbon and water is combustion. When a candle burns, the heat from the flame vaporizes the wax, which then combines with oxygen in the air to produce carbon dioxide and water vapor.
What is a burning candle in the process of transforming?
A burning candle is undergoing a chemical reaction called combustion, where the heat from the flame vaporizes the candle wax. The vaporized wax mixes with oxygen in the air, creating a flame that releases heat and light. This process continues until the wax is fully consumed or the flame is extinguished.
What happens to the fuel for the burning candle?
The fuel for a burning candle is wax, which is a hydrocarbon. When the candle burns, the wax is converted into carbon dioxide and water vapor through a combustion reaction. This process releases energy in the form of heat and light.
Molar Enthalpy of Candle Wax C25H52?
The molar enthalpy of combustion for candle wax (C25H52) is approximately -9866 kJ/mol, meaning this much energy is released when one mole of candle wax is burned completely in oxygen.
What energy is stored in the wax of a candle?
It is potential energy inside the candle and wick and then made into light and heat energy by combustion
How do you know that the burning of candle of wax is an exothermic change?
An exothermic reaction involves the release of heat into a system. The burning of a candle is combustion reaction. Combustion reaction release heat, and this can be detected and measured by the burning of a candle's wax. From these testable observations it is determined fact that candle burning is indeed exothermic.
What name is given to a process such as a burning candle?
The process of a burning candle is known as combustion. During combustion, the candle wax reacts with oxygen in the air to release energy in the form of heat and light.
What does candle wax react with?
Candle wax typically reacts with oxygen in the air when it is burning, producing heat, light, and carbon dioxide. The chemical reaction that occurs during the burning of candle wax is called combustion.
What is the energy conversion of a candle?
A candle converts chemical energy stored in the wax and wick into heat and light energy through combustion. The chemical energy in the candle is released as heat and light when the wax is burned, creating a flame.
What form of energy is being used as a candle burns?
The chemical energy stored in the candle wax.
What energy does a candle stores?
A candle stores chemical energy in its wax and wick. When the candle is lit, this chemical energy is converted into light and heat energy through the process of combustion.
What is the process that can change candle wax into carbon and water?
The process that can change candle wax into carbon and water is combustion. When a candle burns, the heat from the flame vaporizes the wax, which then combines with oxygen in the air to produce carbon dioxide and water vapor.
What form of energy is found in the candle?
The energy in a candle comes from chemical potential energy stored in the wax. When the wax is burned, this energy is converted into light and heat energy through the process of combustion.
What is a burning candle in the process of transforming?
A burning candle is undergoing a chemical reaction called combustion, where the heat from the flame vaporizes the candle wax. The vaporized wax mixes with oxygen in the air, creating a flame that releases heat and light. This process continues until the wax is fully consumed or the flame is extinguished.
What type of energy does a candle have?
A candle primarily produces thermal energy through the combustion of wax and wick. The heat generated from the flame is a form of thermal energy that is released into the surrounding environment.
