Author Alexander Edwards
Posted May 23, 2022
Reads 3.1KYouTube Answers
A substance is a material with a definite chemical composition and distinct physical properties. It cannot be separated into other substances by physical means.Chemical substances can be either pure or impure. A pure substance has a constant composition, whereas an impure substance does not.The physical and chemical properties of a substance determine its uses and how it behaves when mixed with other substances. For example, the element carbon has the physical properties of being black and brittle. It is found in nature in several crystalline forms, such as graphite and diamonds. The different forms of carbon have different uses. For example, graphite is used in pencils, while diamonds are used in jewelry.
The term "substance" can also refer to a quantity of material. For example, a glass of water is a substance. So is a block of wood or a lump of sugar. In this sense, a substance is anything that has mass and occupies space.The term "substance" is also used in philosophy to refer to something that has objective reality and independent existence. In this sense, a substance is not just a material object, but something that exists in and of itself. This is contrasted with phenomena, which are events or situations that depend on other things for their existence.
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What are the properties of substances?
There are three general categories of properties of substances: physical properties, chemical properties, and biological properties.
Physical properties are those that can be observed and measured without changing the identity of the substance. For example, boiling point, density, and melting point are all physical properties.
Chemical properties are those that can be observed only by changing the identity of the substance. For example, ability to corrode or react with other substances, toxicity, and flammability are all chemical properties.
Biological properties are those that are relevant to the study of living organisms. For example, growth potential, response to stimuli, and the ability to reproduce are all biological properties.
The specific properties of a substance depend on the nature of the atoms or molecules that make up the substance. For example, water (H2O) and carbon dioxide (CO2) are both made up of molecules that contain two atoms of hydrogen and one atom of oxygen. However, because the oxygen atoms in H2O are joined to the hydrogen atoms by single covalent bonds, while the oxygen atoms in CO2 are joined to the carbon atoms by double covalent bonds, the two molecules have different names, different chemical and physical properties, and different effects on living organisms.
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What are the different types of substances?
There are many different types of substances in the world. Some of them are natural, while others are man-made. Here is a list of some of the most common types of substances:
1. Water: Water is a natural substance that is essential for all life on earth. It is made up of two hydrogen atoms and one oxygen atom.
2. Air: Air is a natural substance that is necessary for all life on earth. It is made up of nitrogen, oxygen, and other gases.
3. Soil: Soil is a natural substance that is necessary for the growth of plants. It is made up of minerals, organic matter, and other materials.
4. Rocks: Rocks are natural substances that are found on the earth’s surface. They are made up of minerals and other materials.
5. Fossils: Fossils are natural substances that are found in rocks. They are made up of the remains of plants and animals that lived long ago.
6. Salt: Salt is a natural substance that is used to add flavor to food. It is made up of sodium and chloride.
7. Sugar: Sugar is a natural substance that is used to sweeten food. It is made up of sucrose, glucose, and fructose.
8. Coffee: Coffee is a man-made substance that is used to stimulate the nervous system. It is made up of caffeine and other chemicals.
9. Tobacco: Tobacco is a man-made substance that is used to smoking. It is made up of nicotine and other chemicals.
10. Alcohol: Alcohol is a man-made substance that is used as a recreational drug. It is made up of ethanol and other chemicals.
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What are the physical and chemical properties of substances?
In order to understand the physical and chemical properties of substances, it is first necessary to have a basic understanding of the terms “physical property” and “chemical property.” A physical property is a characteristic of a substance that can be observed and measured without changing the identity of the substance. Examples of physical properties include color, density, hardness, and melting point. A chemical property is a characteristic of a substance that can only be observed and measured by changing the identity of the substance. Examples of chemical properties include flammability, reactivity, and toxicity.
Now that we have a basic understanding of the terms “physical property” and “chemical property,” let’s take a more in-depth look at the physical and chemical properties of substances.
As stated above, physical properties can be observed and measured without changing the identity of the substance. One example of a physical property is density. Density is a measure of how much mass is contained in a given volume. An object with a higher density has more mass per unit of volume than an object with a lower density. Another example of a physical property is color. Color is determined by the wavelength of light that is absorbed and reflected by a substance. A substance that absorbs all wavelengths of light will appear black, while a substance that reflects all wavelengths of light will appear white.
In contrast, chemical properties can only be observed and measured by changing the identity of the substance. One example of a chemical property is flammability. Flammability is a measure of a substance’s ability to burn. A substance that is highly flammable will ignite easily and burn rapidly. Another example of a chemical property is reactivity. Reactivity is a measure of a substance’s ability to chemically react with other substances. A substance that is highly reactive will chemically react with other substances easily and rapidly.
As you can see, physical and chemical properties are very important in terms of understanding the behavior of substances. Next time you are observing a substance, take note of its physical and chemical properties!
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How do substances interact with each other?
In chemistry, a substance is anything that has a definite composition and properties. All matter is made up of substances. A substance can be either a pure element or a compound. A compound is a mixture of two or more elements in a fixed proportion.
Matter can be classified into two main types: pure substances and mixtures. A pure substance is matter that has a constant composition and properties. All the atoms or molecules of a pure substance are identical. A mixture is a material made up of two or more different substances. The substances in a mixture can be separated by physical means.
There are three types of mixtures: solutions, suspensions, and colloids. A solution is a mixture in which the particles of one substance are uniformly distributed throughout another substance. In a suspension, the particles of one substance are suspended in another substance. In a colloid, the particles of one substance are dispersed throughout another substance, but they are not dissolved.
The study of how substances interact with each other is known as chemical kinetics. The rate of a chemical reaction is the speed at which a reactant is converted into a product. The rate of a reaction is determined by the chemical kinetics of the reaction. The chemical kinetics of a reaction is the study of the rate at which the reactants are converted into products.
The rate of a reaction is affected by the nature of the reactants, the amount of reactants, the temperature, the pressure, and the presence of a catalyst. The nature of the reactants affects the rate of a reaction because it determines the amount of energy that is required to break the bonds between the atoms of the reactants. The amount of reactants affects the rate of a reaction because it determines the number of collisions between reactant molecules. The higher the concentration of reactants, the greater the number of collisions, and the faster the rate of the reaction. The temperature affects the rate of a reaction because it determines the amount of energy that is available to the reactants. The higher the temperature, the greater the amount of energy that is available, and the faster the rate of the reaction. The pressure affects the rate of a reaction because it determines the number of molecules that are present in a given volume. The higher the pressure, the greater the number of molecules, and the faster the rate of the reaction. The presence of a catalyst affects the rate of a reaction because it increases the number of collisions between react
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What are the uses of substances?
There are many uses for substances. Some are used for medicinal purposes, while others have more mundane applications.
Substances can be used to treat a wide variety of ailments. For example, aspirin can be used to relieve pain, while antibiotics can be used to fight infection. There are also many substances that can be used to improve the appearance of the skin, hair, and nails.
Substances can also be used to perform various tasks around the home. For example, bleach can be used to clean surfaces, while detergent can be used to wash clothes. There are also many substances that can be used for gardening, such as manure and fertilizers.
In addition to their practical applications, substances can also be used for more creative purposes. For example, paints and dyes can be used to create works of art, while pottery clay can be used to make beautiful pottery.
Substance abuse is a serious problem that can lead to addiction and health problems. Substance abuse occurs when people use substances for non-medical purposes, such as getting high. Some common substances that are abused include alcohol, tobacco, and drugs.
Substance abuse can have a detrimental impact on a person's health, social life, and overall well-being. It is important to get help if you or someone you know is struggling with substance abuse.
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What are the dangers of substances?
Since substances can be broadly defined as anything that can be taken into the human body to produce a physical, mental, or emotional effect, the dangers of substances are myriad. In general, however, the dangers of substances can be grouped into three main categories: physical dangers, mental dangers, and social dangers.
Physical dangers of substances include the risks of overdose, poisoning, and organ damage. Overdose occurs when a person takes too much of a substance and experiences potentially life-threatening symptoms such as cardiac arrest, respiratory arrest, and seizures. Poisoning occurs when a person is exposed to a toxic substance, either through ingestion, inhalation, absorption through the skin, or injection. symptoms of poisoning include nausea, vomiting, diarrhea, abdominal pain, seizures, and coma. Organ damage can occur as a result of chronic substance abuse and can lead to organ failure.
Mental dangers of substances include the risks of addiction, anxiety, depression, psychosis, and memory loss. Addiction is a chronic, relapsing disorder characterized by compulsive drug-seeking and use despite harmful consequences. Anxiety is a feeling of fear, apprehension, and dread. Depression is a persistently low mood that can interfere with daily activities. Psychosis is a break with reality characterized by hallucinations, delusions, and impaired thinking. Memory loss can occur as a result of substance-induced damage to the brain.
Social dangers of substances include the risks of job loss, financial problems, relationship problems, and legal problems. Job loss can occur as a result of chronic absenteeism, poor job performance, and on-the-job accidents. Financial problems can arise from the cost of buying substances, lost wages due to job loss, and legal fees. Relationship problems can include communication difficulties, domestic violence, and child neglect. Legal problems can include arrest for possession or distribution of drugs, DUI, and child custody issues.
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How can substances be recycled or reused?
In many cases, recycling or reusing substances can be beneficial to both the environment and the economy.
When it comes to the environment, recycling or reusing substances can help reduce pollution and conserve resources. For example, recycling paper instead of throwing it away can help reduce the amount of tree cutting that needs to take place. And reusing glass bottles or jars can help reduce the amount of energy and resources that goes into making new ones.
In terms of the economy, recycling or reusing substances can create jobs and help businesses save money. For example, businesses that recycle paper or aluminum cans can save on waste disposal costs and may even be able to sell their recycled materials for a profit. And companies that reuse packaging or manufacturing materials can save on the costs of buying new ones.
Of course, recycling or reusing substances is not always possible or practical. But when it is, it can be a great way to help the environment and the economy.
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What are the benefits of substances?
There are many benefits to taking substances. First and foremost, substances can help improve your overall health and well-being. They can also help you to focus and concentrate better, increase your energy levels and stamina, and improve your mood. Additionally, substances can help to protect your body from disease and illness, and they can also help you to lose weight. Finally, taking substances can help to reduce stress and anxiety, and they can also improve your sleep quality.
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What are the drawbacks of substances?
Substance abuse is a huge problem in our society. There are many drawbacks to using substances, including the following:
Substance abuse can lead to addiction, which is a chronic, relapsing disease that can be difficult to overcome.
Substance abuse can lead to health problems, including organ damage, mental health problems, and overdose.
Substance abuse can lead to social problems, such as relationship problems, job loss, and financial problems.
Substance abuse can lead to legal problems, such as arrest and jail time.
Overall, substance abuse is a major problem that can have many negative consequences. If you or someone you know is struggling with substance abuse, please seek help from a professional.
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What is an substance in science?
A substance is any physical material from which something is made or which has discrete existence. The substance of nerve tissue, for example, consists of elements such as carbon, oxygen, and nitrogen. Matter of particular or definite chemical constitution is also a type of substance.
What is substance Short answer?
A substance is a matter that has definite properties and composition.
What is substance and its example?
What is a substance class 9?
A substance class 9 is a drug.
What is substance and example?
A substance is matter which has a specific composition and specific properties. Every pure element is a substance. Every pure compound is a substance.
What is an example of a substance in science?
A substance in science is anything that exists apart from other objects or particles. This could include elements, chemicals, rocks, dirt, animals, and people.
What are called substances?
Substances are physical objects that have certain physical properties.
Which is a substance?
Chemical substance is a chemical element and its compounds in the natural state or the result of a manufacturing process.
What is substance in science easy?
Substance in science can be tricky to define. It can mean physical matter, material or that which has definite chemical composition and distinct properties. In general, substance reflects the most vital or essential part of something.
What is called substance?
Substance is physical material from which something is made or which has discrete existence. Substance can be anything from nerve tissue to a specific chemical composition.
What is a substance simple definition?
A substance is a physical material from which something is made or which has discrete existence.
What are substances 5 examples?
Some substances that might be included in this category are dried beans, laundry detergent, dishwashing soap.
What meaning is substance?
substance refers to physical material from which something is made or which has discrete existence.
What is in a substance?
A substance includes the atoms and molecules that make it up. In other words, substances are made of matter.
What is a substance example?
An example of a substance is water.
What are 4 examples of a property of a substance?
1. Reactivity (many types) 2. Heat of combustion 3. Toxicity 4. Flammability
What is the property of a substance?
Physical properties include the characteristics that can be determined without changing the composition of a substance, such as melting point, boiling point, density, solubility, color, odor.
What are 4 characteristic properties?
1) Freezing/melting point 2) Boiling/condensing point 3) Density 4) Viscosity