8 Classify each compound based on its properties Substance Melting Point Solubility Conductivity Classification 1 -55°C poor poor 396°C good good 3. 0°C not tested poor 200°C good good

Q: whats the difference between homogeneous and heterogeneous mixtures?

A:

Q: What is the physical state in which matter has a specific volume but does not have a specific shape?…

A: We have to predict the correct state of matter.

Q: Is carbon dioxide gas a pure substance? Explain.

A: Yes, the Carbon dioxide(CO2) is a pure substance.

Q: 36) Apure substance be oparated into two difs.

A: Given : a pure substance.

Q: States of matter, differ in some of their observable properties. What are they

A: States of matter, differ in some of their observable properties. What are they? That has to be…

Q: What phase(s) is/are present at the point indicated on the graph? T liquid solid heat liquid and gas…

A:

Q: 9. When measuring volumes of liquid, we use graduated glassware like flasks, graduated cylinders,…

A: Graduated glasswares have a calibrated scale marked on the outside wall.

Q: Sublimation, Extraction, Decantation, Filtration, Evaporation 1.Of the 5 methods listed for the…

A: The combination of soil, clay, or silt and water provides the suspension termed as mud. If the…

Q: The density of a solid substance is usually greater than its density in a liquid form, yet the…

A: The term density can be defined as the measurement which can be used to compare the amount of the…

Q: How does a heterogeneous mixture differ from a homogeneous mixture? How are they similar?

A: Mixtures are the result of mixing together of two or more substances. Example: Mixture of salt and…

Q: a substance has particles that are close together with no regular arrangement. the particles vibrate…

A: The objective of the question is to identify the state of matter of a substance based on its…

Q: Describe how a homogeneous mixture differs from a heterogeneous mixture.

A: The homogenous mixture is a mixture which has only one phase(means of homo) is present or there can…

Q: Using the Identification of Substances by Physical Properties table in the question above, when…

A: The answer is explained below.

Q: SOLID LIQUID Arrangement of particles Movement of particles Forces between particles Spaces in…

A:

Q: What properties distinguish solids from liquids? Liquids from gases? Solids from gases?

A: Solids have no empty spaces between the molecule which gives them a definite and rigid structure.…

Q: Is a change in phase a physical change or a chemical change? Explain.

A: A physical change is a reversible change whereas chemical changes are generally irreversible. No new…

Q: What property of density makes it useful as an aid in identifying substances?

A: Density is a characteristic property of a substance. The density of a substance is the relationship…

Q: A salt water solution is classified as what type of matter? O homogeneous mixture O heterogencous…

A: Homogeneous Mixture: A homogeneous mixture is a mixture in which the composition is uniform…

Q: Which of the following statements describe a physical property? i. A property which can be observed…

A: A physical property is a characteristic of a substance that can be observed or measured without…

Q: 66. Using the picture below, describe the test sample placed in the watch glass. White crystalline…

A: The nature of above compound is decided on the basis of its physical appearance.

Q: 1. Substances that can be broken down into simpler compounds or elements by a chemical change 2.…

A: A compound is a material composed of two or more components. For example Water, carbon dioxide etc.…

Q: Name and define the common states of matter

A: Matter: Any substance in universe that has mass and occupies some space is termed as matter.

Q: What is the standard SI unit for mass?

A: Mass is a measure of the amount of matter in a substance. Mass measures the amount of matter…

Q: In which state of matter are the particles least tightly arranged?

A: Given, which state particles are least tight arranged-  Basically, three states of matter- Solid,…

Q: Distinguish between each of the following and give example of each case A. Pure substance and…

A: Pure substance are in a category of one kind of particles and it has a fixed structure and of same…

Q: 33.0 pl. drops of two different liquids are put on the same surface: Liquid X Liquid Y Note for…

A: Given that neither the liquid X nor the liquid Y interacts strongly with the surface. This means…

Q: What type of pure substance can be decomposed chemically into other pure substances? O compound O…

A: Pure substances are defined as substances that include only one type of particle and have an uniform…

Q: Is Tomato Juice a homogeneous or heterogeneous

A: Answer:When two or more chemical substances are combined together, then such combination is called…

Q: What are the examples of nanostructures?

A: A nanostructure is an object that has at least one dimension equal to or smaller than 100…

Q: ______________________ are defined as homogeneous mixtures of two or more pure substances

A: A SOLUTION  is a homogeneous mixture of two or more pure substances.

Q: Brass is a combination of copper and zinc metals. How would you classify brass? Element O…

A: Alloys are the compounds which are made up of two or more metals. The property of a metal can be…

Q: Which is more efficient method of separating solids from liquids by filtration or by decantation?…

A: Filtration is a process of separation of solid particles from liquids by passing the liquid through…

Q: Suppose you are measuring the mass of a solid sample on a balance using a weigh boat. You record the…

A: An instrument used to determine the weight of samples used in analysis is called a weigh balance.…

Q: classsify into solid, liquid or gas Particles are close together but are not held rigidly…

A: To identify whether the given statement represents solid, liquid or gas.

Q: 1. Which of the following is NOT an example of physical property? B. Length A. Texture C. Intensity…

A:

Q: Select the term(s) that describe the matter shown in the picture above. Mark all that apply.…

A: Homogeneous mixture : In homogeneous mixture, the composition is uniform throughout the mixture.…

Q: or

A: In this question we have to explain that the correct option of above statements with suitable…

States of Matter

The substance that constitutes everything in the universe is known as matter. Matter comprises atoms which in turn are composed of electrons, protons, and neutrons. Different atoms combine together to give rise to molecules that act as a foundation for all kinds of substances. There are five states of matter based on their energies of attraction, namely solid, liquid, gases, plasma, and BEC (Bose-Einstein condensates). 

Chemical Reactions and Equations

When a chemical species is transformed into another chemical species it is said to have undergone a chemical reaction. It consists of breaking existing bonds and forming new bonds by changing the position of electrons. These reactions are best explained using a chemical equation.