Identify the principle component(s) of the essential oil Ground Rosemary. Determine the chemical and physical characteristics of the principle components (chemical structure, molecular weight, and molecular formula).

Q: After reading the mass spectrometer we have found that the substance under investigation contains…

A: The percentage of the different elements for the given compound is as follows: The percentage of…

Q: A compound has the following in weight: - 40% carbon - 6.7% hydrogen - 53% oxygen. The molar mass is…

A: Given, mass % of C = 40 % = 40 g mass % of H = 6.7 % = 6.7 g mass % of O = 53 % = 53 g molar mass of…

Q: Diamond is one form of elemental carbon. An engagement ring contains a diamond weight 1 carats. One…

A: Conversion of Units:-This can be doneby a Method called unit factor Methodcalled Dimensional…

Q: Glucose is a carbohydrate that contains carbon, hydrogen, and oxygen. The empirical formula of…

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Q: Determine the molecular formula of a compound with the empirical formula CF, and molar mass of…

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Q: Explain Molecular Weight?

A: Molecular weight is the total atomic masses of all atoms present in the molecule.

Q: What is the empirical formula of a compound with the following mass percentages of carbon, hydrogen…

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Q: Calculate mass recovered.  Calculate percent recovery.  initial mass: 2.09 g watch glass + filter…

A: The question is based on the concept of experimental calculations. we have to calculate mass…

Q: Mass spec: M = 161 (100%), 163 (33%). Which of the following is %3D a possible molecular formula?…

A: In this mass spectrometry data, we are given two peaks whose intensity ratio is also given . So we…

Q: Ethylenediaminetetraacetic acid (EDTA) is a chemical that binds metals such as lead, to treat lead…

A: The molecular formula of Ethylenediaminetetraacetic acid (EDTA) is C10H16N2O8. We know that the…

Q: A substance is submitted for combustion analysis. The results show that the compound has the…

A: In this question, only 90% of the composition is given. That is 24+32+28+6 = 90  So the question may…

Q: compound that will be produced on Mars during food production has a % composition of 40.002% carbon,…

A: Given that: % Carbon = 40.002% = 40.002g % H = 6.714% = 6.714g %O = 53.284% = 53.284g  Moles of C =…

Q: Balance the chemical reaction AI2(SO4)3(aq) AIPO4(s) + K2SO4 (aq)

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Q: Which substance is an acid? LIOH O Mg(OH)2 CH;COOH NaCI

A:

Q: 32. Find the mass of oxygen present in 1.50 mole of sucrose (C12H22011). a. 195 g b. 200 g c. 245 g…

A: 1mol is defined as 1/12th part of the mass of C-12 atom.

Q: 3.122 The natural abundances of the two stable isotopes ofhydrogen (hydrogen and deuterium) are…

A: Density of water =1 g/mL Volume of water = 400 mL Density =MassVolumeMass = Density× Volume=1…

Q: 5. How many atoms of uranium are there in the 3.69 g of pure uranium that Iran has produced?

A: Answer for the following question is

Q: HO MgBr 1. THE 2. H₂0*/H₂O PCC OH "Br Mg THF 1. LIAIH₂ 2. H₂O*

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Q: How many grams of magnesium are required to produce 4.380 kg of Si? (At mass: Mg324.31: Si-28.09)…

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Q: A compound contains C, H and O. The compound is 49.31 % by mass carbon, 43.79 % by mass oxygen with…

A: The empirical formula of a chemical compound is the simplest whole number ratio of atoms present in…

Q: The formula weight of ammonium sulfate (NH4)2SO4  is __________ amu.   a 264.32   b 116.05   c…

A: Here the compound is (NH4)2SO4   Atomic mass of N is 14 amu, Atomic mass of H = 1 amu, Atomic mass…

Q: How much orygen is produced from 2.56 X 10 g HgO?

A: Number of moles = mass/molar mass  Mass = moles × molar mass  Molar mass of HgO = 216.59 g/mol…

Q: Which of the following statements is/are TRUE regarding paracetamol, C8H9NO2? Select one or more:…

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Q: Calculate the molecular formulas of the compounds having the following empirical formulas and molar…

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Q: C2H5OH= (-234.8) O2= (0) CO2= (-393.5) H2O= (-285.8)

A: Given that : Standard formation enthalpy of C2H5OH= -234.8 kJ/mol Standard formation enthalpy of O2=…

Q: What is the alumina content in weight % of the garnet with Al as the only 3+ cation has Mg2.508…

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Q: In hydrogen oxide (H20), the exact value of the % composition of the Hydrogen (H) is ________.…

A: Mass % of an element:

Q: What is the simple formula for a compound containing 32.1% Ni, 15.3% N and 52.5% O?

A:

Q: Arrange the following substances in order of increasing mass percent of carbon.a. caffeine.…

A: The given substances should be arranged in increasing mass percent of carbon. The molar mass of…

Q: A mixture contains 78% apatite (Ca3(PO4)2 . CaF2). The rest of the mixture does not contain…

A: Given: Mass percent of Ca3(PO4)2.CaF2 = 78% And there is no P in the mixture apart from that in the…

Q: Glucose is a carbohydrate that contains carbon,hydrogen,and oxygen .The empirical formula of glucose…

A: Since we know that empirical formula  is the simplest positive integer ratio of atoms present in a…

Q: Explain the concept of molecular weight ?

A: Molecular weight can be described as a sum of atomic mass of all the atoms present in a molecule.…

Q: What is the total number of hydrogen atoms on the right-hand side of this chemical equation? 6…

A: Given 6CO2(g) + 6H2O(l) -----> C6H12O6(s) + 6O2(g)

Q: Starting with the following equation, Fe₃O₄(s) + CO(g) → Fe(l) + CO₂(g) calculate the mass in grams…

A: The reaction taking place is given as, => Fe3O4 (s) + CO (g) → Fe (l) + CO2 (g) Given: Mass of Fe…

Q: How many grams of iron are needed to combine with 26.3 g of O to make Fe2O3?

A:

Q: The NASA Dawn mission recently measured the surface of Ceres, a large asteroid between Mars and…

A: The empirical formula is the chemical formula of any compound that represents the proportions of…

Q: compound with empirical formula C2H5O was found in a separate experiment to have a molar mass of…

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Q: molecular weight is the summation of Atomic numbers Atomics weight Number of molecules

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Q: 2 AB + 1 CD --> A2D + CB2 OR 2 AB + CD right arrow  A2D + CB2 The atomic weight of A is 25.0 g/mol…

A:

Q: 8.00 g of a certain Compound X, known to be made of carbon, hydrogen and perhaps oxygen, and to have…

A: Given :  Mass of compound = 8.00 g  Molar mass of X = 138. g/mol  Mass of CO2 formed = 17.86 g  Mass…

Q: If 20% by weight of nitrogen is present in a compound, the molecular weight of the compound may be…

A: According to Q&A guidelines of Bartleby, we are supposed to answer only the first question out…

Q: 87.2 grams of IrCl3 contains ____ moles of the compound. (AW: Ir=192.217; Cl=35.45)

A: Moles = weight /Molar mass Weight (given)= 87.2 g  Molar mass of IrCl3 = 192.217 + 3×35.45…

Q: Identify the principle component(s) of the essential oil from mustard. Determine the chemical and…

A: Mustard essential oil or volatile oil of mustard is an essential oil. It is mainly extracted from…

Q: 9.00 g of a certain Compound X, known to be made of carbon, hydrogen and perhaps oxygen, and to have…

A: According to the question, we need to find out the molecular formula of the hydrocarbon X.  We have:…

Q: Which of the following fertilizer has a K20 of 83% when chemically calculated? (elemental mass in…

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Q: What is the mass percentage of N in the compound N2O3? Select one: a. 40% b. 36.8 % c. 64.3 % d.…

A: Given, mass percentage of N in the compound N2O3 = ? The formula used here is, mass percentage of…

Q: What is the mass percent of calcium in CaCO3? 25.7% 33.3% 60.0% 15.0% 40.0%

A: The compound given is CaCO3. Assuming 1 mole of compound.

Q: 19) Which molecule has a molecular mass of 28.05 amu? H-C A) B) H-CEC-H 20) Determine the molecular…

A: The mass of a molecule of a compound is known as molecular mass  The molecular mass is the sum of…

Q: Mass spectrometers are used to determine which of the following? A. Composition in sample B.…

A: Mass spectrometers are the instruments which is used to determine the mass to charge ratio of…

Q: 2 Li + Br2 → 2 LİBR 1. How many lithium (Li) atoms are on the reactant side of the equation? А. 1 В.…

A: 2Li + Br2 --> 2LiBr This reaction is an example of addition reaction. Lithium atom combine with…

Mole Concept

Mole concept is a method to determine the amount of any substance that consists of some elemental particles using a grouping unit called ‘mole’. The mole concept enables one to handle the large amount of small elementary particles. The mole concept can be used in many calculations related to mole calculation, molar amount, mole ratio, and so on, which are significant in chemistry.