Activity Series Lab Report

One of the signs of a chemical change is that sound is produced. The oxygen, fire and hydrogen react together, creating a popping noise (this is the hydrogen combusting).

A summary of knowledge that must be known before the performance of this lab is as follows: a chemical change is a type of reaction where the original substance changes into another substance, also commonly known as the process of a chemical reaction. Every chemical reaction has an equation which can help determine what type of reaction it is. The five types of chemical reactions are synthesis reactions, decomposition reactions, single-replacement reactions, double-replacement reactions, and combustion reactions. A synthesis reaction is when two or more elements or compounds react to form a single compound, while a decomposition reaction occurs when one compound breaks into two or more substances. The general equation for both of these reactions, respectively, are A + Z → AZ and AZ

A double displacement reaction is a type of chemical reaction where two compounds react with each other and the positive ions and the negative ions switch places, forming a new compound. A double displacement reaction usually occurs between two compounds that are in an aqueous solution. The general equation for a double displacement reaction is AX+BY= AY+BX(Clancy 171). In this equation A and B are positive charged ions, and X and Y are negative charged ions. There are three types of double displacement reactions; a reaction that forms a solid, a reaction that forms a gas and a reaction that forms water.(Clancy 172)

Wear safety goggles throughout the experiment to protect your eyes from the explosive nature of the reaction and the corrosive properties of

A “Chemical Reaction” is where substances interact, producing a chemical change and altering their original molecular or ionic structure to a new one having a different chemical identity.

A chemical change is caused in the formation of one or more new substances. Key features of knowing that a chemical change has occurred is seeing a change in colour, smelling a gas or seeing bubbles, seeing a new solid (known as precipitate) forming in a clear solution, observing that energy is produced or absorbed in the form of heat or light. An example is when applying Hydrochloric Acid onto Litmus Paper; the paper changes colour.

Through this discussion, the authors hoped students would see that some mixing created a new combination, while others created a new substance (Sullivan et al., p. 35, 2017). Then, the class discussed that mixing substances can show observable changes that allow us to know if a chemical reaction has occurred; the observable changes are called indicators (p. 35, 2017). Once students knew more about chemical reactions and what can indicate one has occurred, they were ready to begin the activity. Students were reminded about safety precautions to take when using the different chemicals (p. 37, 2017). The teachers demonstrated how to paint the red cabbage pigment onto their paper. Next, students painted their papers and then took test strips with the same red cabbage pigment to test different substances and their chemical reactions (p. 38, 2017). Using a pipette, students placed small drops of substances like vinegar, baking soda, lemon juice, soap, hand sanitizer, and bubble solution. In their science notebooks, students

There are many different types of chemical reactions but there are only 8 main types of chemical reactions i will be talking about.The names of these 8 reasctions are Acid-Base, Synthesis, Decomposition, Precipitation, Single-replacement, Double-replacement, Combustion, and Redox. Synthesis reactions are when you get two (or more) light substances and mix it to get a more complicated product. An example would be : (kind of complicated one) Synthesis of Potassium Chloride 2k + Cl2 ---> 2KCl (more understanding example (easier)) A + B ---> AB. This chemical reaction is the opposite of Decomposition reaction. Decomposition reaction is more crushed into smaller chemical species. An example would be : AB ---> A + B or 2H2O ---> 2H2O ---> 2H1 + O2

Purpose: The purpose of this experiment is to understand data analysis through measuring and calculating different values. These values include length, diameter, circumference, volume, and the percent error. Introduction: This experiment helps students understand data analysis such as units, conversions, error types and calculation, accuracy, and precision by requiring the students to measure a pipe using calipers, string, and a meter stick.

Changes can be chemical or physical in nature. If a chemical change is taking place we will be breaking bonds and forming new bonds and therefore creating a new substance. In a Physical change we will have the same substance but simply in a new form. (Dickinson et al. 197). In order to collect evidence to prove a chemical change is occurring we need a change in the indicators. The more active a chemical is the more likely it will have a chemical reaction with another chemical. (Dickinson et al. 180) The higher the element is on the Activity Series the more reactive it is. (Dickinson et al. 192) A reactive element will replace an element that is underneath it in the activity series. (Dickinson et al. 192) In this lab we will examine chemical reactions with the activity series, indicators and the type of chemical reaction it is. The purpose of this lab is to study chemical change and analyze why and how chemical reactions are created. In this lab we are going to combine certain chemicals with each other to create a chemical change and we will observe and record any changes. The chemical reactions listed in the Results had all gone through chemical change and all the indicators have been recorded. Chemical change is very important and we need to learn more about them because without chemical change we couldn’t perform daily tasks.

Steady state exercise is the activity that achieves a balance between the energy required by working muscles and the rate of oxygen and delivery for aerobic ATP production. This lab is conducted to determine the heart rate in beats per minute (BPM), blood pressure (systolic and diastolic), and rating of perceived exertion response at rest to moderate cardiovascular exercise at a steady state workload and RPM. I hypothesized that exercising on an exercise bike the subjects participating in this study would have a higher rate of fatigue without fluid replacement than with fluid replacement.

A chemical reaction is a “chemical change that occur when chemical bonds between atoms are formed or broken.” The substance that goes into a chemical reaction is the reactant, and the substances produced produced at the end of the reaction are known as products. Chemical reactions are all around us constantly occurring, anything from a candle burning to the rusting on a fence are examples of a chemical reaction. Chemical reactions can be noticed by Chemical Change some example of chemical change are change in temperature, change in color, bubbles, precipitate, light, and odor.

Chemical reactions is a process when the reactants convert to products. A reactant is a substance that goes in to a chemical reaction and undergoes change is a reactant. The final substance of the chemical reaction is the product. A chemical reaction rearranges the molecular structure of a substance. Substances are either chemical elements or compounds(Treichel and Kotz). Chemical reactions either result of chemical bonds forming or breaking. Chemical reactions are distinguished by the following four ways(Shukla). The first way a chemical reaction is distinguished is the physical state of the reactants and the products to see if all the substances are in the same physical state or in a different physical state. The two types of chemical reactions to distinguish the physical state are homogeneous reaction or heterogeneous reaction. The second way to identify a chemical reaction is the type /nature of the chemical. Some examples are synthesis reactions,Decomposition reactions,

Some people may ask what exactly is a chemical reaction? A chemical reaction is a process that involves rearrangement of the molecular or ionic structure of a substance. There is six types of chemical reactions named Synthesis, Decomposition, Single Replacement, Double Replacement, Combustion, and Acid base reactions.

In chemistry, there are six types of chemical reactions; synthesis, decomposition, combustion, single replacement and double replacement. There are acid bases as well. Each type of reaction is unique in its own way. The process involves one or more reactant to be rearranged to form a different product. You can prove that a chemical reaction has occurred if there was a change in temperature, color, odor , appearance or the presence of gas bubbles.