The minimum number of measurements needed to plot a single point on a graph describing the result of a scientific experiment is a. one b. two c. three d. four

Q: Use scientific notation to express each quantity with only base units (no prefix multipliers).a. 4.5…

A: Units of measurement- SI prefixes are used to prepare decimal multiples. SI prefixes are tabulates…

Q: A rectangular object was found to have a mass of 1.278 kg and density of 4.98g/cm34.98  g/cm3.…

A: Given, Length of a rectangular object is --- 61mm Width is ------ 47mm Density of the object is ----…

Q: Define each of the following terms of the scientific method:a. hypothesis b. experimentc. theory d.…

A: a) Hypothesis A hypothesis is a proposed explanation for a phenomenon. b) Experiment An experiment…

Q: Measuring the mass and volume of a piece of chalk is a way of investigating its _____. A.Chemical…

A: 1. We need to check if mass and volume are intensive or extensive properties and if they relate to…

Q: A kilogram of lead occupies a much smaller volume than a kilogram of water, because which has a much…

A:

Q: Write equation that states the relationship between the given units, and then write the conversion…

A:

Q: coffee (with milk) a. suspension b. solution c. an element d. heterogeneous mixture

A: Coffee on dissolving in milk forms a homogeneous mixture because the particles of coffee…

Q: Which substance can be separated by filtration?  A. Compound B. Element C. Mixture D. Solution

A: Matter exhibits two types of property:  Physical and chemical

Q: Which of the following terms describes what a doctor forms when treating patients prior to ordering…

A: Experiment is the term required for the treatment of the patient by the doctor with the normal…

Q: 6. Matter can be in a form of solid, liquid, or gases. What is a matter made of? A. Dark spots C.…

A: Matter is any substance that takes up space and has mass.

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: water and salt. Which of the following ture?

A: Homogeneous mixture is mixture in which solute is evenly distributed throughout this mixture.

Q: 3. In order to decide whether a property is chemical or physical, you must know whether a. measuring…

A: Ans  3) d. The property is intrinsic or extrinsic

Q: 7. The standard width between rails on North American and most European railroads is 4 ft 8 in.…

A: To solve this problem we have to convert the given distance in centimetres and metres .

Q: A student observed a sample of water in three states of matter. The student should describe the…

A: Three state of matters are solid, liquid and gas. Solids have very strong intermolecular attraction…

Q: A piece of aluminum foil has a known surface density of 15 g/cm2. If a 100-gram hollow cube were…

A: Given: Surface density is 15 g/cm2. Mass is 100 g.

Q: Indicate whether each sample of matter listed is a substance or a mixture; if it is a mixture,…

A:

Q: The accepted length of a steel pipe is 5.5 m. Calculate the percent error for each of these…

A: Since we only answer up to 3 sub-parts, we’ll answer the first 3 sub-parts. Please resubmit the…

Q: physical and chemical methods are one of the quantitative analysis .A True .B False .C .D

A:

Q: 8. A method of analysis yields masses of gold that are low by 0.4 mg. Calculate the percent relative…

A: Hello. Since your question has multiple sub-parts, we will solve the first three sub-parts for you.…

Q: Which of the following statements describe chemical property? a. An iron bar rusts. b. Ice melts…

A: Since you have posted multiple questions, we are entitled to answer the first only.

Q: Classify each property as intensive or extensive.a. volume…

A: Extensive properties are those that are dependent only on the amount of matter present in a sample…

Q: Which describes a substance that is in the solid state?A. Its particles can flow past one another.B.…

A: The options which describes the substance that is in the solid state has to be given,

Q: 7. What number should be reported to best reflect the temperature according to the thermometer? A.…

A:

Q: 1. The following are properties of the metal aluminum. Classify them as physical or chemical a. It…

A: A physical property: It is defined as a characteristic of a substance which can be observed or…

Q: 10. The amount of spaces between particles of matter can be measured. How do we measure the space…

A: Density of a substance is the mass per unit volume. Volume of a substance is the measure of three…

Q: 14. Your mom is washing the rice in the casserole pot before cooking it A. filtration B. decantation…

A: Given: 14. Rice is being washed before cooking: 15. Dr Merle is getting some cash from his wallet.…

Q: The following are all properties of matter. Which one determines the phase of matter? A. Arrangement…

A: There are three phases of matter. The phase of matter can be interchanged by changing the…

Q: Which of the following is not a hazard category? Single choice.     a. Industrial b. Mechanical c.…

A: The hazardous categories are those which cause damage.

Matter and Measurement

In the universe, there is matter, energy, and void space. The universe contains energy and void space. The definition of matter can be considered as something which possesses mass and consumes space. Chemistry is that branch of science which deals with the study of matter. Under chemistry, nature, composition, and the changes occurring to matter are discussed.