Table 3.6 Physical Properties of Common Substances State at Boiling Point (°C) Substance Color 25°C Oxygen colorless gas -183 Water colorless liquid 100 Sucrose white solid decomposes Sodium chloride white solid 1413

Q: if magnesium sulfate is mixed with water, will it form a homogeneous or heterogeneous solution? Why?

A: Given : We have to tell whether the mixture of magnesium sulfate and water is homogenous or not.

Q: You were asked to separate sand and sodium chloride in water. choose three methods to separate the…

A: Physical separation (picking out pieces or utilizing density to shake sand to the top), dissolving…

Q: Diagram 1 Diagram 2 Diagram 3 Diagram 4 The diagrams above represent physical changes for potassium.…

A: Physical state of matter depand distance between particals.

Q: When you open a can of carbonated drink, the carbon dioxide gas inside expands rapidly as it rushes…

A: Kinetic molecular theory gives a detailed explanation gaseous behavior at different conditions of…

Q: In a common laboratory experiment in general chemistry, students are asked to determine the relative…

A: To find: A method for separating two compounds of the given mixture.

Q: A student measures the mass of a sample of a metallic element, M. Then the student heats the sample…

A: Given: Mass of metal M is measured. And then the mass of compound MO forming after heating it with…

Q: 6. Which causes the high density of solids? a) b) c) d) The particles are more massive than those in…

A: The density of solids are high compare to liquids and gases because intermolecular force of…

Q: 114. Classify each as a pure substance or a mixture. If it is a pure substance, classify it as an…

A: An element is the simplest type of substance comprising of a single type of matter.  A compound is…

Q: Suppose you analyze a 35.4 g sample of bleach and determine that there are 2.26 g of sodium…

A:

Q: Match each term on the left with the most appropriate description on the right. Ku (a) pure…

A: Since the solution is formed from the two compositions solute and solvent.

Q: Sublimation, dissolving, and filtration can only be carried out in:* soluble-substances in solution…

A: Here three process occur  1) Sublimation - This method is used to separate a substance that sublimes…

Q: If you calculated the molar mass of your unknown liquid to be 70.1 g/mol, which of the following do…

A: Given-> Calculated molar mass of unknown liquid =70.1 gm/mole.

Q: A blue crystal is added to an alcohol solution, but does not dissolve in the alcohol. How would you…

A: It is known that like dissolves like, meaning that substances with similar chemical characteristics…

Q: 3. As we have seen, hexane is nonpolar and if mixed with water would not dissolve. Instead two…

A: 3) Density is defyaa the ratio of mass to its volume.  Density= mass ÷ volume

Q: hydrochloric acid + magnesium → hydrogen gas + magnesium chloride List two physical / chemical…

A: The question is based on the concept of chemical reactions. we have to write physical and chemical…

Q: (BASIC QUESTIONS) Choose or tick the phase of matter that is being described CHOICES: GAS LIQUID…

A: Matter is divided into three different category named as solid, gas and liquids depending on the…

Q: 1. Give two reasons why one substance might have a greater density than another substance from a…

A: 1. The size, mass, and arrangement of molecules affect the density of a substance. Consider sample A…

Q: The amount of carbon dioxide in the atmosphere has been increasing over the past century as a result…

A: To Find: To find how much the level of carbon dioxide (in ppm) increases between 1880 and the…

Q: 9. Determine if each of the following sketches is showing a pure sample of an element or a pure…

A: Element consist of only one type of atoms. Compound consists of identical molecules. Each molecule…

Q: This is an experimental set-up for the purification of water experiment. State uses of each labeled…

A: We are given the complete setup of a distillation apparatus for the purification with labelling of…

Q: 5.) Correctly match the terms listed on the left with the substances listed on the right. More than…

A: --> Mg (Magnesium) is an element because it is in native state  --> Fe mixed with sand then it…

Q: The noble gas argon was discovered by Sir Walter Ramsay and John William Strutt in England in 1895.…

A: Accurate measurements of gas densities was achieved by the discovery of argon (noble gas) by Sir…

Q: A scientist has three unlabeled samples of pure metals. He wants to determine the identity of each…

A: The scientist cannot rely on mere observation of color to determine the identity of pure metal.…

Q: Which hypothesis describes the behavior of molecules when a substance changes from a gas to a…

A: When a solid substance is heated then it transfers to its liquid state. If the liquid state is…

Q: 1. When sugar and sulfur are mixed with water, they behave differently. Which of these can be…

A: When sugar and sulfur is mixed with water, which of these can be removed with water filtration..

Q: Write a balanced chemical equation for each of the following. Express your answer as a chemical…

A: Hi there, thank you for the question. We can answer only one question at a go! So please re-post us…

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

A: given,               The mass of weigh boat = 3.451 g.             Mass of weigh boat and sample =…

Q: Gasoline is composed of a variety of different liquid hydrocarbons, which do not separate as time…

A: Gasoline is composed of a variety of different liquid hydrocarbons. These hydrocarbon does not…

Q: The amount of carbon dioxide in the atmosphere has been increasing over the past century as a result…

A: Growth percentage over yearly is calculated by the difference of value of present and past year…

Q: 4. *Strictly speaking, why is it incorrect to speak of a melting point?

A: Melting point of a substance is the temperature at which solid form of the substance starts…

Q: Substance Reaction to flame Phase at room temperature Reaction with water Hydrogen Colorless Gas…

A: Strontium chloride

Q: Read the descriptions below of two substances and an experiment on each. Decide whether the result…

A: Sample A The sample A is powder .   When distilled water is added one part is easily soluble and…

Q: 1. Complete the table: Element Physical State Color Luster iron sulfur mercury magnesium

A: The physical state of an element depends on inter atomic forces. The colour and luster of the…