Lic

Q: 27 - Which one of the following couples can be separated by chemical methods? O A) Mixtures of sand…

A: A) mixture of sand and sugar can be separated by physical method. B) for extraction of iron from…

Q: S8 + _O2   => _SO2

A: ANSWER

Q: Which of the following is not included in the INCI dictionary under ingredient information?   A.…

A: Given: INCI dictionary under ingredient information     A.    Chemical Class     B.    INCI name of…

Q: For the following reaction, Na* (aq) + OH (aq) + H* (aq) + Cl- (aq) Na* (aq) + Cl- (aq) + H20 ()…

A: In given reaction , sodium ion Na+(aq) and chloride ion cl-(aq) remain same in both left hand side…

Q: What type of metal is this? Aluminum, Copper, Lead or Iron?

A: Specific heat of metal in cal/g˚C is 0.220 Specific heat of metal in J/g˚C is 0.920.

Q: is paint a compound or element

A: An element is a pure substance that cannot be broken down by chemical mean. Compound is a chemical…

Q: I dont understand as I can't read the writing ^ please type.

A: Electronic configuration of lithium: 1s22s1 Electronic configuration of fluorine: 1s22s22p5

Q: Determine the theoretical density for nickel, and compare it to its actual value. What accounts for…

A: The density of a material is the mass of a substance held in a given volume. Generally, the…

Q: Which term listed is a property of a non-metal?  high density brittle shiny  conducts electricity

A:

Q: Which common inexpensive metal was more valuable than gold in the nineteenth century?

A: Solution:       Aluminum is considered as the third most abundant element in the earth crust after…

Q: Say you glued two samples together; a 5.00 g sample of acrylic with a density of 1.19 g/mL and a…

A:

Q: CI Me O

A: The chemical structure shown in the image is 3-chloro-2,2-dimethyl-1,3-dioxolan-4-one. Here's a…

Q: a) or b) О Н OH

A: An aromatic hydrocarbon containing a primary or secondary alkyl substituent is oxidized by potassium…

Q: Knew heat of respectively. Standard entropy at 25°C (cal 51,10 and 31,21, respectively. Question 2:…

A: To determine the Kc and Kp for the reaction, S(s) + O2(g) ⇌SO2(g)-       1 M           0.6 M-…

Q: N. CI

A: The given target imine can be formed by the reaction of propylamine and tetralone. Breaking of…

Q: Which one below represents a chemical change?

A: The question is based on the concept of general chemistry. there are basically two types of change…

Q: 1. How does soap cleanse water and oil? 2. How does milk may wash away the oils in spicy food?

A: Solubility is defined as the dissolution of a solute in a solvent. A solute will be dissolved in a…

Q: Give the International Union of Pure and Applied Chemistry name of the compound below.

A: Step 1:Step 2:

Q: can you type the answe because i cant read your hand writing

A: Mitigation the impact of ocean acidification on the great barrier reef.

Q: _HgO =>         _Hg    +     _O2

A: In a balanced chemical reaction the number of each atom is same in the reactants side as well as in…

Q: List two (2) chemical grade and its purity

A:

Q: HBr F + G

A: An arrow always depicts from a region of high electron density to low electron density ; that is…

Q: Suggest 5 topics of educational research for chemistry students

A: Advanced water treatment, water reuse  and challenges faced during process.       May be research…

Q: given You are metal alloy nanoparticles. determine the How will you Size 도 the Chemical Composition…

A:

Q: Give at least three differences of a bulk vs a fine chemical.

A: The products of the chemical industry can be classified as fine chemicals and bulk chemicals.

Q: Assessment 1 Direction. Write True if the statement tells correct information and write False if the…

A: #1: Alloys can be prepared in different methods. the most common method is given below:

Q: What are the Safety Measures/ Precautions in the Science laboratory and classroom while doing a…

A: In this question we need to answer what are the precautions or safety measures that must be kept in…

Q: Prepared 8 M of HCL in 500 ml, that density is 1.19 g/cm3 and percentage * ?% w/w is 37 The volume…

A: Option C is correct answer. The volume needed is327.06 ml.

Q: CI + HO + HCI

A: Ethanoyl chloride reacts with cold ethanol instantly. It is a very exothermic reaction in which…

Q: Discuss the various ways in which chemistry has influenced the art world, a. including the…

A: Chemistry has had a significant impact on the art world in various ways, ranging from the…

Q: shed in a separate volume rather than

A: This question is related to dissertation.

Q: Question 1 (1 point) Why was the Declaration of Independence written? O a Secure the rights of the…

A: 1.The declaration of independence was written to gain independence from Great Britain

Q: Cl2 FeCl3 CH,CI CI II II IV

A:

Q: Identify the following as a physical or chemical change: (a) water boils at 212 °F (b) applying an…

A: Physical changes: These changes involve a change in the physical properties of a substance…

Q: Four research teams measured the density of a new alloy, and what each team wrote in its team…

A: Given the most accepted value measured from the most reliable measurement = 3.1 g/cm3.when the given…

Q: Please be espesific

A:

Q: thlon lit ctall ) True

A: Answer :             Option b is correct option. It is a False statement.

Q: Which of the following is correct? Gold nanoparticles are non-metals Gold nanoparticles are metals…

A: To find: The correct statement

Q: Aluminum and iron (II) oxide becoming alum an example of a(n)

A: Physical change : In this change ,there no new chemical compound is formed . Phase transformation…

Q: What's 12,13 and 16?

A: To calculate the mole fraction, mole percent and ppm of a saturated solution of NaOH at 20°C.

Q: A piece of platnium metal ore obtained was determined to have a mass of 1.6124 grams. The density of…

A:

Q: 1 calorie is equal to 4.184 joules. true or false

A: The question is asking to verify the equivalence between the units of energy, calorie and joule.