You have mixed crushed mothballs in a sand, you want to purify the sand, you will do (pick the best choice):  a. centrifugation b. decantation c. filtration d. sublimation *This is a multiple choice type of question

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A: All things are provided in handwritten solution

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A: `In 2008 China was the host for the Olympic Games however pollution and smog was a major concern for…

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Q: used a 50-mL eudiometer while Group Y used a longer 100-mL eudiometer. After the experiment, both…

A: the volume readings in their eudiometers compareGroup X > Group Y

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Q: use the proper amount of sig figs a. (21.0954×2.76)+327.29 b. (84.8−22.446)÷0.0041

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A: Scientists noticed that the ozone layer was thinning and what happens on  at the same time has to be…

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A: Given : 0 oC temperature on Berg scale = 70 oB And 135 oC temperature on Berg scale = 98 oB

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Q: Research on fireworks. Find out the chemicals responsible for the display of beautiful colors.

A: To Explain: Chemicals responsible for the display of beautiful colours in fireworks.

Q: What does the term "inversely proportional" mean?

A: There are two type of relation, directly proportional or inversely proportional.

Q: ch the double layer per second per second that a single atom c Esuming that the atom occupi

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A: If the mass of atom/molecule is given then the number of moles of the atom/molecule, n, is…

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A: The two boxes given are, Given: only one of the two boxes float in water.

Q: Question #57

A: In the given question we have to tell the main function of liver glycogen degradation.

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A: CFCs break down to form chemicals that react with ozone. Is this a macroscopic or a microscopic…

Q: Research which level or levels of government are responsible for regulations about arsenic

A: To describe about the government regulations about arsenic.

Q: 14. Which absorbs heat faster? Land or water? Why?

A: “Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: Please help me complete question 1 and 2.

A: Assumptions of Dalton's atomic theory: The matter is made up of tiny, indivisible, and…

Q: Part 2 Short Response/Grid In Record you Record your answers on the answer sheet provided by your…

A: The particle of gas always in random move and higher kinetics energy  They have  large…

Q: What are the assumptions in the Ruth equation for filtration?

A: Ruth's equation is used to predict the filtration and performance.It is very much useful to predict…

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A: Question : When googles should be worn in a chemistry lab.

Q: Just question 2

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A: The Brita filter cartridge is composed of copolymer of styrene methyl methacrylate.

Q: he

A:

Q: Warm hues make objects appear to  a. advance b. disappear c. appear smaller d. recede

A: Warm hues make objects appear to

Q: Refer

A: Geothermal energy is heat within the earth. The word geothermal comes from the Greek words geo…

Q: The scientific methods is applied to natural phenomena. What is natural phenomena? Give two examples…

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Q: No work needed just answers label the answers with questions so I know directions are all the same

A: Applying concept of oxidation state of elements .

Q: Question 62

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A: The question is based on the concept of solutions.   molarity is a method of expressing…

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A: The curved surface of water formed in the apparatus is called as the meniscus. Hence the option "The…

Q: Explain why the symbol for an atom of the element of oxygen and the formula for a molecule of oxygen…

A: An atom is the single entity. It is the smallest particle present in the matter. Molecules are…

Q: Propane is a gas used to power grills and camp stoves. Determine the mass of propane (C3H3) needed…

A: Given Volume = 18.3 L Temperature = 273.15 K Pressure = 1 atm

Q: Geologist estimate that the mantle flows at rat C. meters A. Centimeters B. Kilometers D. miles

A: A mantle is a layer inside a planetary body bounded below by a core and above by a crust. Mantles…

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Q: Two groups did the Chem 16.1 Experiment 10 with exactly the same mass of Mg, temperature, and…

A: volume readings in their eudiometers compare Option c is correct as  Group X > GroupY

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Q: Chemical reactions A) occur only in living organisms B) create and destroy atoms C) only occur…

A: Delta can be used as change as well as heat of a reaction.

Q: Ma'am/sir how do you do energy shells for science.

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Q: 12. What is the Law of Conservation of Mass?

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Q: Wind power plants cannot change the and wild life. a. Water level O b. Solid waste O c. Panel d.…

A: Explained as follows