4. Determine which of the following are mixtures. Water dissolved in alcohol Water dissolved in water Carbon dissolved in iron Carbon dioxide dissolved in water Can this be a mixture? (Yes or No) If not, why?

Q: 5)An element cannot A) be part of a heterogeneous mixture B) be part of a homogeneous mixture C) be…

A: Given An element cannot _____________

Q: ?If 35.93 mL of 0.1590 M NaOH neutralizes 27.48 mL of Sulphuric acid, what is the concentration of…

A: question -1 -given values  volume of acid = V1 = 27.48 ml.  volume of base=V2= 35.93 ml conc. of…

Q: TRUE OR FALSE 1. A heterogeneous mixture can be separated into pure substances, but a homogeneous…

A: Mixture  A mixture is the physical combination of two or more substances in which the identities are…

Q: Oil and water do not mix with each other. But when we add oil into water, oil floats over the water.…

A: Oil do not mix with water as oil is non polar and water is polar molecule and polar dissolve in…

Q: Draw an illustration of an example of a mixture, element, and compound on the level of atoms Draw an…

A: 1. Atomic Level IllustrationsElement: This will show atoms of a single type, such as hydrogen atoms…

Q: Which of the following statements describe a mixture? • A mixture does not contain a fixed ratio by…

A: Introduction Mixtures in chemistry are formed when two or more different substances are combined…

Q: Mg(OH), is a compound. How many different elements are found in this compound? 3.

A: The substance which is formed by one type of atoms are known as element.

Q: Classify these substances. More than one answer may apply in each case. N2 solution O homogeneous…

A: Element - It is a pure substance made up of only a single atom.  Compound - It is a pure substance…

Q: There are four sketches below. The first sketch shows a sample of Substance X. The three sketches…

A: A question based on physical and chemical changes. A molecular system is given whose most possible…

Q: Which of the following statements is true concerning the characteristics of ther O Mixtures are all…

A: Given question is related to identifying the true statement.

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: Could the compounds shown below be separated by distillation? Yes or No. Using a sentence, explain…

A:

Q: Nitrogen trioxide is a(n) element compound homogeneous mixture heterogeneous mixture

A: Given that, the name is: Nitrogen trioxide

Q: Based on the information given, classify each of the pure substances as elements or compounds, or…

A: A question based on compounds. 11 substances are prescribed that are to be classified into element…

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

A: The answer is explained below.

Q: why are most things we eat a mixture and not pure substances?

A: Given: Most things we eat is a mixture and not a pure substance To find: Reason for it Solution:…

Q: I am having trouble understanding the difference between a compound and mixture and how to identify…

A: When two or more elements are present together they are called compounds. Mixtures are made up of…

Q: A student has a mixture of two liquids. Liquid A boils at 112°C and Liquid B boils at 145°C. In…

A: Liquids having different boiling points on heating vapourizes. The produced vapours when subjected…

Q: In the image below, you will see four laboratory spectra for known elements as well as the sample…

A: To determine the chemical composition of unknown, we would check the spectral lines and use the…

Q: Your chemistry book is O an element a heterogeneous mixture a compound a homogeneous mixture

A: Answer:When more than one substance are combined together to make a single system then such systems…

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: 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: When calcium hydroxide and sulfuric acid are combined, calcium sulfate and water are formed is this…

A: A chemical change occurs when the molecular composition is completely altered and a new product is…

Q: Which of the following is a mixture?  Brass, carbon monoxide, sulfur dioxide or salt

A: A mixture is formed due to the physical combination of substances bounded together in a…

Q: Set the things below into the categories of either pure,mixture, heterogeneous mixture,element, pure…

A:

Q: Identify as an element, compound or mixture of compounds

A: Element: Element is a chemical substance which has a single atom and it cannot be broken down in…

Q: 1. A student measured a 6.790 g sample of a hydrated salt. After heating, the mass of anhydrous salt…

A: a. Given that weight of hydrated salt is 6.790 g and mass of anhydrous salt is found to be 4.501 g.…

Q: A pure substance is: O composed of two or more regions with different compositions. O composed of…

A: Here we have to define pure substance.

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.