Why Are Units So Important?

Q: Differentiate among the physical states of matter.

A: There are three physical states of matter as follows:- 1. Solid state 2. Liquid state 3. Gaseous…

Q: What is the definition of a physical property? What is thedefinition of a chemical property?

A: answer is discussed below :

Q: In what state particles that make up matter move the least? O liquid O particles movement is not…

A: Movement of particle matter is least in Solids.

Q: What are the three states of matter?

A: The three states of matter have to be defined.

Q: I still do not understand , mathematically, why this is the system we should use and how it is…

A: The pKa can be taken in the range of pH ± 1

Q: The density of a substance is greater in its solid state than in its liquid state? Explain how?

A: The mass of the substance divided by the volume of the substance is equal to the density of the…

Q: please write together with its units.

A:

Q: Choose the factor that explains this observation.

A: Organic compounds  can be defined as the compounds that contain carbon and hydrogen atoms in a…

Q: What kind of system is the coffee held in a cup?

A: In thermodynamics, three types of systems have been described namely open system, closed system and…

Q: How does a state describe the macroscopic view of the system?

A: How does a state describe the macroscopic view of the system has to be given,

Q: Differences between States of Matter

A:

Q: 1. Universe is composed of system and surroundings A.True B. False

A: System: System is defined as any specified portion of matter under study which is separated by the…

Q: 1. What is a unit?

A: A unit of measurement is some specific quantity that has been chosen as the standard against which…

Q: he energy change?

A:

Q: The temperature on a summer day may be 908F. Convertthis value to Kelvin units.

A:

Q: In what state particles that make up matter move the least? O liquid particles movement is not…

A: Interpretation -  In what state of particle that make up matter move the least -     Introduction -…

Q: Why is the density of Metals is more than another materials?

A: Density Density depends on the mass and the number of particles packed into a given volume.

Q: What are the 4 states of matter?

A: To identify: 4 states of matter.

Q: Which of the following is a derive unit? Joule Km O Candela Second

A: A derived unit is a unit which results from a mathematical combination of SI base units.

Q: What are the phases of matter?

A: The phases of matter has to be given.

Q: olecule in units

A: Dear student I have given answer to your question in the image format.

Q: he volume (in L

A:

Q: CI КОН EtOН Нeat

A:

Q: What are all of the si units

A: SI units are International system of units.

Q: Density is a very useful intensive characteristic property of matter. Why?

A: A question to describe about importance of density as the characteristic property.

Q: 3 TYPES OF DESCRIPTIONS EXAMPLES HOMOGENEOUS (2 for each type) MIXTURES 1. 1. 2. 2. 1. 2. 3. 1. 2.

A:

Q: 1. For q=mcAT identify each variable by name and the units associated with it. а. 9 b. m с. С d. AT

A: q is heat transfer in J m is the mass of a substance in kg

Q: What are two ways that physical changes are differnt from chemical changes?

A: Given changes,         Physical changes and chemical changes

Q: What is matter

A: There are number of things or objects present around us, that is, in our surrounding.  For example,…

Q: 1. Two pans of water are on different burners of a stove. One pan of water is boiling vigorously,…

A: The amount of energy required to convert some amount of liquid water to gas or steam at constant…

Q: What is the difference between a heterogeneous and a homogeneous material?

A: Homogeneous and heterogeneous material are two classes of materials which differ in their…

Q: What type of system is a covered glass of milk?

A: Solution- type of system is a covered glass of milk.  Its is close system..

Q: In the kinetic theory of matter how does temperature affect the particles? O Lower temperature…

A: kinetic energy is a function of temperature.

Q: Compressible is a classification of matter, where its molecules are existing separately from each…

A: A solid cannot be compressed much because its particles are already very closely packed and there…

Q: 1. In the following heating curve, which segment represents a freezing and melting?

A: Since we know that freezing point is the temperature where liquid state change to solid state  And…

Q: Convert

A:

Q: Its saying its wrong and to use a different tempature scale?

A: To convert the final temperature calculated in kelvin to °C.

Q: assumes that particles are not attracted to each other. Which property of liquids proves this…

A: Answer

Q: Convert 58.5°F into celsius unit

A:

Q: Define the term Density/

A:

Q: Give the following definitions Degree

A: Since we your questions are solving in chemistry subject part. So i will provide the chemistry…

Q: Molecules possess the most amount of kinetic energy A. GAS B. LIQUID C. SOLID

A: Solid, liquid or gas are the states of the matter.  All are associated with some energies called…

Q: The Magnitude of the unit is the same between ----- and ----- scales, They differ in the position of…

A: There are mainly 3 types of temperature scales commonly used. These are - The Celsius scale The…

Q: A change of kinetic energy of molecules create what property change in a body?

A: A question based on kinetic energy of molecules, which is to be accomplished.

Q: what law?

A: There are few laws like charles law , Boyles law combined gas law in gas theory .

Q: A middle school student asks you why hot air rises. Explain in one to three sentences the reason…

A: When air  gets heated up it expands and become less dense than surrounding .