A. PHYSICAL PROPERTIES OF ELEMENTS AND COMPOUNDS Using the information obtained during the experiment, please complete the following table. Substance Carbon Oxygen Carbon dioxide Lead lodine Lead(II) iodide Iron Sulfur Iron(II) sulfide Zinc Selenium Zinc selenide Symbol/ Element or Formula Compound C element O elements CO² compound сог Pb I elements Fe S 2n Se Zn Compounds Physical State solid Color black Luster dull

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: Which mathematical statement is incorrect for the dilution process? * C1 > C2 O v2 = Vsa + V1 O v1…

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Q: A chemical reaction between 6.0 g of substance A and 8.0 g of substance B, yields exactly 14.0 g of…

A: In the first reaction, 6.0 g of substance A react with 8.0 g of substance B to form 14.0 g of…

Q: represents tne A 27.29 g 6.41 g 27.29% C 17.09 g 72.71 g O2 72.71% 100% CO2 100.0 g CO2 23.5 g CO, |…

A:

Q: Flubberium (Symbol Fb) has a atomic mass of 3.8 grams, Vibranium (Symbol Vi) has an atomic mass of…

A: Given Molar mass of flubberium (Fb)= 3.8g Molar mass of Vi = 5.2 g Percentage composition of Fb is…

Q: An ice freezer behind a restaurant has a freon leak, releasing 44.19 g of C, H,F,Cl into the air…

A:

Q: A chemist fills a reaction vessel with 7.21 atm nitrogen (N,) gas, 6.92 atm hydrogen (H,) gas, and…

A: Given  Temperature = 25°C = 298°K The formation values are taken from the table given.

Q: A 0.7547 g sample of nicotine was analyzed and found to consist of 0.5588 g C, 0.06565 g H, and…

A:

Q: Please don't provide handwritten solution .... Determine the volume of aluminum metal (d=2.702…

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Q: An unknown compound has the following chemical formula: N_xO where x stands for a whole number.…

A:

Q: aper + watch glass 45.79 46.28-9 whem ed lihw mwo 460d/ g filter paper + copper 1st time filter…

A: Given that,  Mass of hydrated sample, m1 = 1.02 g Mass of dehydrated sample, m2 = 0.91 g Mass of…

Q: Katie heats her hydrate to remove the water and obtain the anhydrous cobalt (II) compound CoCl2. Her…

A: Molar mass of H2O is 18.02 g/mol. Molar mass of CoCl2 is 129.84 g/mol. Mass of water removed can be…

Q: Which accurately show the law of conservation of matter (mass)? A) when 2 oxygen molecules…

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Q: In the Dumas Method for the determination of the molar mass of an unknown vapor, the weight of the…

A: Given,  Weight of the flask filled with water = 378.56 g  Weight of the water = 252.68 g  Density of…

Q: In the SI system of units, the mole is one of seven base units. It is frequently used in chemical…

A: yes , mole should be considered as the SI unit. The mole is the basic unit of amount of substance in…

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Q: 100.0 g of lead(II) nitrate is reacted with 50.0 g of potassium iodide (in plenty of water). How…

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Q: Composition C-4 is a plastic explosive having a density of 1.05 g/cm3. Calculate the mass of a brick…

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Q: 3 Pb(SO,)2 + 4 Fe → 3 Fe,(SO4)3 + 3 Pb REACTANTS PRODUCTS Element / Polyatomic lon How Many? Element…

A: Ans

Q: How much nickel is contained in a nickel coin that is 8.33% (by weight) of nickel? Recall that a…

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

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Q: The following prompt will be used to answer the fırst six questions. An experiment was performed to…

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Q: Select all the answers that are equivalent to 2.02 x 10° ks (FYI: s = seconds) 2.02 Ms 2.02 x 106s…

A: 1K = 1000 = 103

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A:

Q: How many grams of oxygen (O) are present in a 6.41 g sample of potassium nitrate (KNO3)? Enter your…

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Q: The first box is the key. The second box represents.... 00 00 00 00 00 0 00 OO OO Atom Y: O Atom Z:…

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Q: Chemical Formulas as Formulas: Converting between Grams of a Compound and Gram of a Constituent…

A: First convert given mass in kg  into grams .

Q: If you did not know the identity of the metal in your jar, what experiment might you have done to…

A: To set up an experiment that can help in identifying the metal is pure zinc element.

Q: An unknown compound has the following chemical formula: NxO where  x  stands for a whole number.…

A:

Q: Another hydrated compound containing Sodium, Boron and Oxygen was investigated.  250.00 g of the…

A: When NawBxOy×Z H2O is heated, the water molecules attached are removed and then decomposed to give-…

Q: Fill in the Blanks Chemical Price/kg (in dollars) NaOH 21.17 CaCl2 41.28 КОН 31.38 CuSO4 93.32…

A: Solution is provided in the image below.

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: Which of the following best describes the system depicted in the diagram? Mixture of elements…

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Q: What are the proper units for molar mass in chemistry? O kg/cm O g/mL g/mol

A:

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A: Given :

Q: Na2C6H6O7Na2C6H6O7 (sodium hydrogen citrate) Express the mass of sodium to three significant…

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Q: H2 (8) + Cl2(g) = 2HC[8) CO) + 2H2(g) = CH3OH(g)

A:

Q: An elderly patient is prescribed 60 mg flurbiprofen to manage pain from rheumatoid arthritis. The…

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Q: Magnesium metall reacts with hydrochloric acid to form magnesium chloride and hydrogen gas, as shown…

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Q: 21.1 g O2 20.5 g C8H10 Express the answers in molecules to three significant figures

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Q: Chlorine gas (C1₂) reacts with solid calcium (Ca) to produce solid calcium chloride (CaCl₂). Write a…

A: In this reaction chlorine (Cl2) reacts with calcium (Ca) to produce calcium chloride (CaCl2).…

Q: plz explain in simple terms

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Q: A chemist fills a reaction vessel with 0.233 g mercurous chloride (Hg₂Cl₂) solid, 0.204 M mercury…

A: Step 1:   Step 2: Step 3: Step 4:

Mass Spectrometry

This process is an instrumental method in which a sample is changed to fast moving positive ions by electron bombardment. The charged particles vary due to their different mass to charge ratio and are estimated with the help of this difference. It is also called mass spectroscopy.