How would you classify Table Sugar and table salt? An atom, elements, mixtures or a pure substance and why?

Q: Classify each of the following materials as an element, compound, heterogeneous mixture, or…

A: A mixture which has uniform composition is a homogeneous mixture, while which has non uniform…

Q: QUESTION 7 Define Acid ? A substance with pH less than 7 and turns blue litmus red A substance with…

A: Acid and Alkali (base) can be defined as per the below points PH level action with litmus paper.

Q: Which is an example of a mixture? O A. Water O B. Salt O C. Milk O D. Aluminum

A: Mixtures are formed by composition of different substances, such that they possesses the identical…

Q: Calculate (to the nearest 0.1 u) the formula mass of these compounds. a. Magnesium Fluoride MgF2 b.…

A:

Q: Determine the mass in units of grams [g] of 0.5 moles (molof a new fictitious compound you have…

A: One mole of any elementary particle/molecules/atoms/electrons consists of 6.02×1023 particle of the…

Q: Choose the correct number of molecules in a mole oft Gold VChoose... 197 Water 6.02 x 10 23 18…

A: As we know,  The number of molecules in a mole is NA, called Avogadro's number.  1 NA = 6.02 x 1023…

Q: What is the chemical formula for sulfur dioxide

A: To Determine Chemical Formula of Sulfur Dioxide

Q: If you know that aluminum has an atomic radius of 0.143nm and an atomic weight of 26.98g / mol |…

A: According to the given question,  Aluminium has an Atomic radius = R= 0.143 nm  Atomic weight =…

Q: Categorize each of the following as a physical or chemical change. Explain your reasoning: a)…

A: The problem is based on physical and chemical change. Phycisal changes are that changes where the…

Q: An irregularly shaped piece of metal of density 7.8g/cm3 weighs 429 grams when completely immersed…

A: Archimedes' principle states that when an object is fully or partially immersed in a fluid, it…

Q: What is an indicator? A. An organic compound that changes color in acids and bases O B. The…

A: Indicator is substance which show a change in colour when contact with acids and bases. Indicator is…

Q: Which of the following is NOT true of a compound? O It is made of elements that keep their…

A: Compound:  It is a material that form by chemical bonding between two or more than two chemical…

Q: How many moles are in 12.2 g of copper sulfate

A: Mass of Copper sulfate , m = 12.2 g To find = Number of Moles .

Q: Calculate the net charge on a substance consisting of a combination of 7.3 * 10^13 protons and 7.6 *…

A: SOlution: Given that combination of 7.3 * 10^13 protons and 7.6 * 10^13 electrons. The elemental…

Q: Which of the following is a pure substance? O 1. a cube of sugar 2. a block of wood 3. a strap of…

A: Pure substances are substances that are made up of only one kind of particle and have a fixed or…

Q: What is the only physical difference between heavy water and pure water?

A: Water is the main element of Earth's hydrosphere and essential for the livelihood of a living…

Q: 2. Substances have a definite and unchanging chemical composition. Examples of substances are salt,…

A: Option C is correct  Their composition is balance wherever you find them

Q: Outline the procedures used to calculate the motion of molecules in fluids and atoms in molecules.

A: Motion of molecules in fluid can be determined by stokes law. which state as: the viscus drag force…

Q: What would be the empirical formula of: a) sodium chloride; b) ethanir; c) hexane.

A: The empirical formula is associated with the short ratio of compound of molecule.

Q: Question 1 Paragraph 2 provides some important definitions regarding water and solutions. What is…

A:

Q: What is the formula for the common household compound known as washing so

A: Washing soda

Q: Which of the following substances is NOT homogeneous? O 1. iron O 2. water 3. sand O 4. sugar

A: Homogeneous mixture is uniform composition

Q: an irregularly shaped piece of metal of density 7.80 g/cm^3 weighs 429g when completely immersed…

A: Given : dA=7.80 g/cm3              m=429g            (apparent weight)              dn=1.2 g/cm3 As…

Q: Determine the percentage by mass of each element in the following compounds. place.) (a) ammonia,…

A: (a) In the compound NH3 There is 1 N atom and 3 H atom Mass of N = 14 u Mass of H = 1 u Mass of the…

Q: What does the 2 in front of NaCl mean?

A:

Q: Solutions of ammonia (NH3) and water can be purchased at most grocery stores. What best explains why…

A:

Q: An irregularly shaped piece of metal of density 7.8g/cm^3 weighs 429 grams when completely immersed…

A: Given data m=429 gmρ=7.8 gm/cm3

Q: In a solution there are 11 kg/L (kilograms of solute that are dissolved in 1liter solvent). A drug…

A: Given data The quantity of solute is Qs = 11 kg/L   The unit of solute is converted in terms of g/oz…

Q: How MANY TOTAL ATOMS ATZE PRESENTN THE COMPOUND BELOW? 2Ca(OH)2 4

A:

Q: Choose the correct number of molecules in a mole of: Gold VChoose... 197 Water 6.02 x 10 23 18…

A: To find:  the number of molecules in a mole of different elements or compounds

Q: Describe the arrangement of atoms in solids, liquids, and gases.

A: Arrangement of atoms in solids : Atoms in solid are tightly bounded, generally in uniform or…

Q: What is the chemical formula for sulfur dibromide? O SB 3 O SBr SBR2 O S2B13

A:

Q: Unit 9: Compounds - PS Test The table below shows the pH and reaction to litmus of four different…

A: Given : pH of saliva is 6.8 Red litmus has no change Blue litmus turns red

Q: nocolate bar 6.0g/ lozenge om Oil 2.0g/ lozenge emental Calcium 333.Omg/lozenge the formulation…

A:

Q: A cement mixture calls for 30 pounds of cement for 3 gallon of water. What is the ratio of water to…

A: In order to find ratio the unit of both quantities must be same:

Q: You have a sample of 125 g of tetrahydrofuran. Calculate the pressure at which this sample would be…

A: Given Data: Mass of sample m= 125 g=0.125 kg Temperature T = 54 C = 327 K The molecular weight of…

Q: What is a mixture? Give three examples?

A: The mixtures are formed by mixing the two or more substances with each other without combining…

Q: Is this sentence correct: “Even a tiny speck of table salt contains billions of salt atoms”? If not,…

A: There is nothing called salt atoms. Since, the chemical formula of table salt is Nacl. Table salt is…