Candle Reaction Lab

A mixture of elements is what is known as compounds. Chemical reactions occur when particles react with each other and atoms in molecules get rearranged. Reactions happen either rapidly or slowly. The speed of a reaction is known as the rate of the reaction. This speed of chemical reaction depends on many factors such as temperature, particle size of reactants, and the intensity of reactants.

The lab started off by measuring critical materials for the lab: the mass of an an empty 100 mL beaker, mass of beaker and copper chloride together(52.30 g), and the mass of three iron nails(2.73 g). The goal of this experiment is to determine the number of moles of copper and iron that would be produced in the reaction of iron and copper(II) chloride, the ratio of moles of iron to moles of copper, and the percent yield of copper produced. 2.00 grams of copper(II) chloride was added in the beaker to mix with 15 mL of distilled water. Then, three dry nails are placed in the copper(II) chloride solution for approximately 25 minutes. The three nails have to be scraped clean by sandpaper to make the surface of the nail shiny; if the nails are not clean, then some unknown substances might accidentally mix into the reaction and cause variations of the result.

Chemical explosions are one of the coolest things on the planet. A chemical explosion is the sudden, loud, and violent release of energy that happens when something breaks apart in a way that sends flying around(Explosion). The chemical explosions starts from the chemical reaction(Getting a Bang Out of Breath Spray). .

Analysis: In this experiment, the candles were burned at the same time. Background info: A candle is a block of wax with a wick in the middle of the candle. Candles give of light and a little bit of heat. It is also used as a method of keeping time.

The purpose of this experiment was to analyze the effects of the variables: temperature, pH, and enzyme concentration, on the enzymatic reaction rate of catalase and the level at which its products are released, measuring the rate of absorption using the indicator solution guaiacol and a spectrophotometer to develop a hypothesis of the ideal conditions for these reactions. My hypothesis is that the extremes in concentration, temperature and pH will negatively affect the Au rate. This experiment used 11 solutions contained in cuvettes. Each cuvette, once mixed, is placed in spectrophotometer and then a reading taken every 20 seconds. Cuvettes 1, 8, and 10 are used as blanks to zero out the spectrophotometer.

Based on several pieces of data it is now understood that when you remove pressure, volume rises. The data that supports this claim is the Candle in a Jar experiment. In this experiment, you pour water into a plate, light a candle, place it in the middle of the plate, then cover it up with a cup. The flame uses up the oxygen in the cup and it creates low air pressure. The pressure outside tries to push in.

When it reaches the ignition temperature, the heat decomposes some of the cellulose material and is released as volatile gasses (Harris). The gasses then react with the oxygen around and make heat. The heat then keeps the fuel at ignition temperature, so it won’t go out until no heat is present or until the fuel runs out (Science Learning Hub). The heat from the reaction is what people feel when sitting next to a campfire. When a fire ends, there is no fuel left to burn, and all the un-burnables are left (ash), and the carbon (Harris).

One of them is burning coal. The encyclopedia defines coal as a solid fossil fuel formed from the remains of land plants that were buried 300-400 years ago and exposed to intense heat and pressure over those millions of years. It is burned in power plants to generate electricity. Data says that 44% of the United States electricity comes from burning coal. The National Mining Association reported that in 2009, 55.4 percent of Maryland’s electricity came from it.

The heat from the fire boils the water in the kettle and

In this state they can then readily react with oxygen in the air, which gives off enough heat in the subsequent exothermic reaction to vaporize yet more fuel, thus sustaining a consistent flame. The high temperature of the flame causes the vaporized fuel molecules to decompose, forming various incomplete combustion products and free radicals, and these products then react with each other and with the oxidizer involved in the reaction. Sufficient energy in the flame will excite the electrons in some of the transient reaction intermediates such as the Methylidyne radical (CH) and Diatomic carbon (C2), which results in the emission of visible light as these substances release their excess energy (see spectrum below for an explanation of which

For example whip cream is white so if you add food coloring four drops and mix it up, that is a chemical reaction. Gas molecules expand in the space they're in and if there is no top they will expand out of the container

Title: THE BALLOON INFLATION REACTION Introduction: Chemistry is one thing that makes us understand and gives us reasons of why certain reactions gives certain results. In this experiment we will be illustrating the reaction between baking powder and vinegar and see what happens to the balloon that is attached to it. Hypothetically the reaction of the vinegar and baking powder will produce carbon dioxide which will inflate the balloon. If the more vinegar may happen that when more vinegar is added to the baking powder it may produce more carbon dioxide thus the balloons diameter increases.

Variations of statement number two can also be substituted, such as "Keep away from combustibles" or "Keep away from things that burn." Use your best judgement to determine which is best for your target buyer. 2. Consumer Product Information Label This information also must be included on every candle, and it is a basic outline that informs the consumer exactly what they are purchasing or have purchased when they look at your candle.

Introduction: This lab report discusses an experiment to study the difference in the burn rate of various colored candles. The objective of this experiment is to analyse the outcome of burning 5 different colored candles including white under the same control variable for 60 minutes. The white candles used in this experiment are pure and no chemicals or dyes are added to it. They are normally made from paraffin wax with a wick in the middle.

It can be burned to produce steam for making electricity or to heat building and can also be converted into more concentrated energy sources such as liquid fuel or gas. In this light, the following reviews