QUESTION 3 Use the data below to determine the average relative mass of atoms of silic Mass Spectrum of Silicon (q = +1) 1 0.5 0.9221 28 O a. 27.1855 amu O b. 27.7975 amu O c. 28.1117 amu O d. 28.0855 amu Si "si 30 si 92.21% 27.97693 u 4.798 28.97649 u 3.09% 29.97379 u 0.470 29 0.309 30 m/q

Q: asal spray or drops contains zinc chloride

A: Yes, In the market there is a nasal spray or drop which contains zinc chloride(ZnCl2)

Q: What is the difference between soaps and detergent?

A: A question based on surface chemistry, which is to be accomplished.

Q: Procedure Experiment Observation Inference A small quantity of the given unknown compound was added…

A: Functional group detection methods will help answering this question as:

Q: Name?

A: IUPAC Rules for Alkane Nomenclature Find and name the longest continuous carbon chain. Identify and…

Q: Discuss the influence of heat or temperature and humidity on the stability of medicines

A:

Q: Interactive 3D display mode H₂ H₂C= H C CH₂ CH3 Spell out the full name of the compound.

A: • Select the longest carbon chain.• Number the carbon chain from one end in which the nearest…

Q: what is a chemical reason that a sample could have less than 100% purity? A) Impurity was an acid B)…

A: percent purity = mass of the pure sampletotal mass of the sample x 100Percentage purity should be…

Q: Create a flowchart to demonstrate how to separate a butyric acid and hexane mixture.

A: A separatory funnel is used to separate immiscible liquids. When two immiscible liquids are placed…

Q: Mention the nature of toothpastes. How do they prevent tooth decay?

A: An acid is a substance that gives H+ ions in its solution whereas a basic substance gives OH- ions…

Q: Some de-icing compositions include dyes or colored compounds called indicators. Why?

A: The process of removing snow or ice from the surfaces is called de-icing. This can be done through…

Q: 6. Describe the acid layer and chloroform layer.

A: In a typical extraction process, the acid layer and the chloroform layer are two distinct phases…

Q: Draw a structural formula for   salt. Q.) Calcium butanoate

A: Structural formula: The chemical formula in which the bonds between them and all the atoms of the…

Q: What is the direction, if applicable, of the net polarity for the following compound? O No net…

A: When two atoms having significant difference in electronegativity bond with each other, the more…

Q: 1. What is not true about soft soap? More soluble in water compared to hard soap More unsaturated…

A: Soaps are classified into two types based on different properties and efficiencies.  These are,…

Q: How to carve a cross symbol using a soap?

A: Carving a cross symbol using soap can be done below step wise

Q: On the basis of color, is elther your aspirin or commercial aspirin contaminated with salicylic…

A: The functional groups are the key units associated with the molecule that furnishes the notable…

Q: two obsverstions when mixing nirtic acid with copper powder? that indicate a chemical recation…

A: The reaction between nitric acid (HNO3​) and copper (Cu) powder is a fascinating example of a…

Q: What is the name for KMnO4?

A: Given  Formula of Compound = KMnO4 Name of compound     = ?

Q: 1. chemical method of water treatment 2. the way of special water treatment 3. physical method of…

A: Ozonation is a type of oxidation process involving the production of very reactive oxygen species.

Q: Name the unpleasant odor causing molecule in skunk spray. Explain why.

A: Skunk spray contain some chemical substance that are thiol ( other name is mercaptan) and…

Q: Demonstrate understanding on the benzene-water mixture

A: Benzene is an organic compound with nonpolar nature while water is polar in nature. According to…

Q: Detergents are often used rather than soaps. Using an Internet search, find the structures for…

A: Explanations: Detergents: The detergents are made up of the sodium salt of long chain benzene…

Q: what is the antimicrobial compound that is found in table salt?

A: Answer - According to the question -  Antimicrobial compound - An antimicrobial agent is defined as…

Q: the highest hydrocarbon found as a dissolved gas is methane, the main component of natural gas True…

A: Given  Highest hydrocarbon found as a dissolved gas is methane ,the main component of natural gas…

Q: What is the active ingredient in powdered detergent?

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Q: What laboratory glasswares are labeled as "TC" or to contain?

A: Volumetric glassware are divided into two categories: 1) Those designed to contain a specified…

Q: Write notes on cohesive ness

A: We have to write shortnotes on cohesiveness.

Q: What would the appearance of sodium carbonate and  hydrochloric acid mixed together look like in a…

A: In a chemical reaction, bonds between molecules of the reactant are broken and new bonds are formed…

Q: What the common solvent that oxymetazoline dissolve in with illustration

A: Oxymetazoline is a crystalline solid.

Q: What goal is accomplished by standardizing  solutions?

A: Standard solution is made from a solute of known amount to prepare a solution of known…

Q: What is a common use of nitric acid?

A:

Q: What is the effect on the stability of milk foams when an acid is added?

A: Foams get settle down.

Q: Does strong acids react with plastic ?

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Q: Soap manufacturers always use base to hydrolyze fats, and never acid. Suggest tworeasons that basic…

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Q: is oil/vinegar salad dressing homogenous mixture?

A: Mixture in which proportion of the substances are uniform and can’t be visible from naked eye is…

Q: What are the common name of nasal drops or nasal spray that contain zinc chloride?

A: common name is sodium chloride

Q: lonic compounds are usually in water.

A: Ionic compounds: An ionic compund is a chemical compound composed of ions held together by…

Q: Explain how soaps and detergents are able to clean spills and stains.

A: Soap is a sodium salt oh higher fatty acids and represented as RCOONa. When it dissolved in water it…

Q: how and when do chemical reaactions occur?

A: This question is related to general chemistry. A chemical reaction is the process in which one or…

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.