Sulfuric acid

Was More Copper Created? Harshal Patel* and Isaac Cenoz Chem 111-491 Introduction: Copper is one of the most important and diverse elements found in nature all over the world because it can be chemically reacted with many other elements and compounds. The purpose of this experiment was to identify the different reactions that occurred through the lab and the different types of reactions. Throughout the lab, copper was put through series of reactions to see the different combinations and how its…

Results Table 1 – Reactions and evidence of the reaction occurring Steps Reaction and chemical equation Evidence for the reaction 1 Copper (s) + Nitric acid (aq) Nitrogen dioxide(g) + water (l) Cu(s)+4HNO3(aq) (CuNO3)2+2NO2(g)+H2O(l) - Colour change from blue to green - Orange gas was emitted 2 Copper nitrate (aq) + Sodium Hydroxide (aq) Copper Hydroxide + Sodium Nitrate Cu(NO3)2(aq)+2NaOH(aq) CuOH(s)+2NaNo3(aq)…

To begin the reaction,1ml of acetic acid was added to 0.1g p-dimethoxybenzene and 0.20ml of t-butyl alcohol in a test tube. The solution was mixed and placed in an ice bath. Approximately 34 drops of sulfuric acid from a plastic pipette dropper was slowly added to the solution. The solution remained under the ice bath during this addition to control heat production. The reaction…

ABSTRACT The reactivity of acid base cements forming hydroxyapatite (HA) such as, β-tricalcium phosphate (β-TCP) and dicalcium phosphate dehydrate (DCPD). Amorphous calcium phosphates, prepared by precipitation from supersaturated solutions, can also react to form apatitic cements since they are thermodynamic unstable with respect to HA and have a setting reaction more independent of particle size. Calcium phosphate cement containing an antibiotic can be used for filling bone defects and to…

electrolytes in their cell structures. In humans this balance is regulated by hormones. Disruption of this balance leads to health problems. Electrolytes are useful for electrical batteries and fuel cells. Electrolytes commonly exist as solutions of acids, bases, or salts. Some gases act as electrolytes under conditions of high temperature of low pressure. Solutions are formed when a salt is placed into a solvent such as water. An electrolyte solution may be described as concentrated if it has a…

What is acid rain? Acid rain is a form of deposition in which chemicals with an acidic pH level are taken out of the atmosphere through precipitation. When we pollute the air by burning fossil fuels, we create different chemicals that end up in our atmosphere. A few of these have chemical reactions with the water in clouds, and form (depending on the chemical) sulfurous and nitrous acids. When it rains, this acid is taken back to the ground. While pure water has a neutral pH level of 7,…

Lead is a toxic metal that can enter the body by inhalation of lead dust or ingestion when touching the mouth with lead-contaminated hands. If leaked onto the ground, acid and lead particles contaminate the soil and become airborne when dry. Children and fetuses of pregnant women are most vulnerable to lead exposure because their bodies are developing. Excessive levels of lead can affect a child’s growth, cause brain damage, harm kidneys, impair hearing and induce behavioral problems. In adults,…

Acid rain is any form of precipitation that is extremely acidic, causing harmful effects on the environment. The unusual acidity of acid rain is caused by the high levels of nitric and sulfuric acids in the atmosphere, generated mostly by human activities but also by natural activities. This document will describe the process of acid rain from creation to the effects it has on the environment. Chemical Sources In the formation of acid rain, natural and human-made sources are known to play a…

Acid rain is any form of precipitation that has unusually high acidity (a pH level below 5.6) and caused by the transformation of nitrogen oxides and sulfur dioxide into secondary pollutants. pH is is a scale used that measures the acidity of liquids and ranged from 0 to 14. The lower the number, the higher acidity, or the higher concentration of hydrogen ions. 0-5 is considered acidic and as you move up to 7, this indicates the substance is neutral. The higher numbers on the scale indicate…

Determining the Chemical Formula of a Hydrate PROCEDURE Experiment required: copper (II) sulfate hydrate, 2 crucibles, electronic mass balance, bunsen burner, iron ring, crucible tong, clay triangle, wire gauze, retort stand, 1. Individuals should wear goggles on and tied hair back before the experiment started. 2. The mass of an empty crucible cover was measured. 3. Approximately 2.00g of copper (II) sulfate hydrate samples was taken out and put into the crucible. 4. The mass of the crucible…