Define the terms chemistry and matter.

Q: 87.7m = Cm?

A: In the metric system, metre (m) and centimetre(cm) are units of length and they share a…

Q: Is there more information in an individual scientific fact or ina theory? Explain.

A: Facts and theories are different from each other. Individual scientific fact are observations. It…

Q: Explain why there are different branches of chemistry.

A: Chemistry is the science of matter  its compositions and reaction it undergo. We can see a chemistry…

Q: The science of weights and measures Select one: a. Posology b. Metrology c. Viscosity

A: The science of weights and measures is called metrology.  As metrology means study of measurements

Q: Identify each property as chemical or physical.a. The element mercury has a high density.b. Solid…

A: The given statements has to identified as whether physical or chemical property.

Q: The metric unit used to measure the amount of matter in an object

A:

Q: Explain what is meant by the scientific method.

A: The concept of scientific method has to be explained.

Q: Suppose you accidentally drop a glass bowl full of sugar onto the floor, causing the bowl to shatter…

A: Water can mix with sugar to form a solution but glass can not be soluble in water.

Q: Which is the summary of a large amount of scientific information?

A: Scientific Law or say laws of science is based on the behalf of repeated experiments and…

Q: Write an introduction about Matter.and Mixtures.

A: Introduction to matter:

Q: Classify each of the following as an element, a compound, or a mixture a. Oxygen gas b. Sea water c.…

A: a. Oxygen contains similar atoms. So, from the definition; the substance having a similar atom is…

Q: A chemical reaction must be used to separate a. solids from liquids b. a mixture into its components…

A: A chemical reaction is defined as the process of transformation of the original substances…

Q: What is the difference between ancient chemistry and modern chemistry?

A:

Q: Fact, Law, Hypothesis, or Theory? __ Table vinegar is analyzed as 4.0% by mass aqueous acetic acid.…

A: The answer is as follows:

Q: 1.24 Two beakers contain clear, colorless liquids. When the contentsof the beakers are mixed a white…

A: Chemical change- The change in which chemical reactions are happened called as chemical change. e.g.…

Q: Lavoisier developed a new theory of combustion that over-turned the phlogiston theory. What…

A: Lavoisier developed a new theory of combustion and disproved the phlogiston theory. Lavoisier…

Q: .Identify the three steps in the scientific method.

A: A scientific method is based upon questioning and reasoning about certain kinds of changes taking…

Q: Differentiate between Precision and Accuracy?

A: Solution :    Accuracy and precision play a very important role in determining the measurement of an…

Q: 17. 4.73 x 10' centimeters (cm) to inches (in.) 1. %! %3D %3D 18. 370 grams (g) to pounds (Ibs.)

A:

Q: Write a brief explanation about importance of measurements in chemistry.

A: Accurate, precise measurement is a fundamental component of good science. For this reason,…

Q: Define and explain the differences between the following terms.                    a. law and theory…

A: Note: “Since you have posted a question with multiple sub-parts, we will solve first three sub-parts…

Q: Is the ink inside of a pen a pure substance or a mixture? Explain your answer using scientific…

A: a pure substance is made up of only one type of molecule. But mixture is made up of more then one…

Q: In what types of technology do the elements designated as critical materials generally play…

A: Some critical materials can produce very powerful magnets which withstand very high temperatures.…

Q: er B. Water Oil. r.d=0.8 Mercury B 18 cm 22 cm Fig.1

A: We need to determine the pressure in container B.

Q: Explain the important distinctions between each pairof terms: (a) mass and weight; (b) intensive and…

A: Introduction: Mass and weight is the physical property of a substance. Intensive and extensive are…

Q: 3. Which of the following are pure substances and which are mixtures? a. table sugar b. distilled…

A: Pure substance is made up of only one type of particle. It is always homogeneous in nature.Mixture…

Q: Which property of rubbing alcohol is a chemical property?a) density (0.786 g/cm3)b) flammabilityc)…

A: Physical property: It can be measured without any change in the identity of the given substance.…

Q: Why is observation a critical starting point for any scientific study?

A: The reason why observation is main initial point for any scientific study has to be stated.

Q: A straight, uniform board is cut into three differently sized pieces such that the sum of the…

A: Given that a straight board is cut into three picese such that sum of length of A and B is equal to…

Q: Define the characteristics of both science and pseudoscience.

A: Few characteristics of science are- Science is a systematic and logical study of knowing how…

Q: write CLASSIFICATIONS OF MATTER

A: Given: Classification of matter.

Q: The diameter of a deoxyribonucleic acid (DNA) molecule is about 20 angstroms. Express the surface…

A: Given: Diameter of DNA molecule, d = 20 Angstroms                                                 =…

Q: We use aspects of the scientific method in our everydaylives. Provide one example of formulating a…

A:

Q: How do the three types of mixtures differ?

A: Mixtures:  A substance which is obtained by combining two or more than two chemically non-reacting…

Q: Suppose that the unknown solid object was not a cube but a rectangular prism that has the same…

A: Considered the cube, having the length of each side is l. So, the cube volume is equal to l3.

Q: How would you classify the following material? coffee (black) a. solution b. an element c.…

A: A solution contains two or more substances of uniform particle size.  It is a homogeneous mixture.A…

Q: Identify the common steps of scientific methods.

A: A scientific method is a systematic way to find answers to question or problems.

Q: Discuss the difference between hypothesis and theory.

A: The difference between hypothesis and theory has to be calculated,

Q: How is matter classified at macroscopic level?

A:

Q: Which of these is a characteristic of science? O It is based on views and opinions. O It is quided…

A: Science: The intellectual and practical activity encompassing the systematic study of the structure…

Q: Q .The particles are in contact, but move relative to one another A)hydrogen B)cough syrup C)gold…

A: Solid, liquid, and gas are identified as the three main physical states of substances. The different…

Q: Define the term chemistry and matter

A: Chemistry :- Chemistry is the branch of science which deals with the study of matter and its…

Q: 20. Which of the following substances would be classified as a pure substance? a. Blood b. Fog c.…

A: A pure substance are made up of only single kind of particles and has a foxed or constant structure…

Q: a flashlight, (b) sunlight, (c) an echo, (d) air at sea level, and (e) air at the top of Mount…

A:

Q: An tentative explanation for the collection of observations is considered a experiment O law O…

A: Experiment - It is a set of trials done to get a result. Law - It is a statement made by observing…

Q: Identify the following samples of matter as macroscopic, microscopic, or particulate: (a) a human…

A: Macroscopic: substances which can be seen by naked eye. Microscopic: substances which are tiny and…

Q: Which of the two came first? Science or Technology? Explain.

A: Technology first appeared during the lengthy evolution process from apes to humans, such as tool…

Q: Define accuracy and precision.

A: During laboratory work data calculated experimentally varies from theoretical or from standard data…

Introduction to chemistry

Chemistry is a branch of science that deals with the analysis of material and the substances that comprise it. It also manages the properties of these substances and their reactions to form new substances. It is basically centered on particles and atoms that make up components and mixtures. These chemical species will in general connect using bonds.