Q5. Cortisol is a steroid hormone and t is produced by the zona fasciculata of the adrenal cortex. Cortisol is carbon, oxygen and hydrogen containing compound. It has a composition of 69.6% C and 8.34% H by mass and has a molecular weight of 362.465 g/mol. What is its molecular formula of cortisol?

Q: 3.150 The compound 2,3-dimercaptopropanol(HSCH2CHSHCH2OH), commonly known as BritishAnti-Lewisite…

A: Given: Molecular formula of 2,3-dimercaptopropanol or BAL = HSCH2CHSHCH2OH = C3H8OS2 Molecular mass…

Q: Q) 5 The complete combustion of 0.1 g of menthol produces 0.282 g of CO, and 0.115 g of H,O…

A: To find the empirical formula of the menthol, moles of carbon, hydrogen and oxygen need to be…

Q: Tin(II) fluoride (SnF2) is often added to toothpaste as aningredient to prevent tooth decay. What is…

A: Given the amount of Tin(II) fluoride (SnF2) =24.6 gramwe are asked to calculate the mass of F in the…

Q: e(s) + O2(g) -----Fe2O3(s) If you have 8.90g of Iron, what mass of Fe2O3 would be produced? How…

A: Chemical reactions are those reactions which undergo any chemical change. Chemical reaction is…

Q: Excedrin can be taken for extreme headaches, such as migraines. The molecular formula for Extra…

A: Calculation for molar mass of Excedrin: molar mass of C25H27N5O8=25(12.0 g/mol)+27(1.0 g/mol)+5(14.0…

Q: How many molecules of C2H4 are in 15.0 g of this compound?

A: The molecular formula of compound is C2H4. The amount of compound is 15.0 g.

Q: Item 3 3 of 25 Part B Calculate the molar mass for MngO4, an oxide of manganese. Express your answer…

A: Trimanganese tetroxide Mn3O4- This compound is the oxide of Manganese. It is called Hausmannite. It…

Q: 4. The empirical formula of a compound is CH20. What could its molecular formula be? hat could its…

A:

Q: Q21) A 0.1647- gram sample of a pure hydrocarbon was burned in a C- H combustion train to produce…

A: Since all the carbon in carbon dioxide and all the hydrogen in water will come from the hydrocarbon…

Q: Glycine is an amino acid with the formula C, H, NO,. Determine the number of moles of carbon in…

A: Given  Formula of Glycine = C2H5NO2 Mass of glycine  = 62.83 gram  Number of mole of carbon = ?

Q: 3.155 Isoflurane, shown here, is a common inhalationanesthetic. Write its molecular formula, and…

A: The given compound is,

Q: ZnS + AIP Zn,P2 Al,S3 REACTANTS PRODUCTS Element Symbol How Many? Element Symbol How Many?

A:

Q: what’s the molecular formula?

A:

Q: 4) Vitamin B3, also known as niacin, helps maintain the normal function of the skin, nerves, and…

A: To calculate the mass of niacin which consists of an equivalent number of moles as 100 mg of…

Q: Succinic acid is an important chemical used in the manufacture of polyesters and plasticizers. It…

A: 0.390 mole of Succinic acid (S.A.) has a mass of 46.1gSo, Molecular mass of S.A.= 46.1g0.390mole =…

Q: 1. The combustion of a sample of butane, C4H10 (lighter fluid), produced 3.75 moles of water. 2C4H10…

A: Consider the given balanced equation is as follows; 2 C4H10   +  13 O2   →    8 CO2   +   10 H2O…

Q: The compound dioxane, which is used as a solvent in variousindustrial processes, is composed of C,…

A: Molar mass of the given compound is 88.1 g/mol.

Q: A tube of toothpaste contains 0.76 g of sodium monofluorophosphate, Na2PO3F, in 100 mL. How…

A: Molecular weight of sodium monofluorophosphate, Na2PO3F = 143.95 gm/mol  Moles = weight/mol. wt. =…

Q: Pre-Lab Questions "Counting by weighing" is used in other applications besides chemistry. A hardware…

A: Given, Hardware sells nails in package of 500. Office supply store sells 100 paper clips.

Q: The nerve agent Tabun (GA) has the formula C5H11N2O2P. It is one of the lethal chemical compounds…

A: Given information: Mass of tabun = 975 mg

Q: Freon is a trade name for a group of gaseous compounds once used as propellants in aerosol cans.…

A: We will have to calculate the percentage of chlorine by mass in the given compounds. For that, we…

Q: A sample of a compound containing only S and Cl contains 2.72g S and 6.04g Cl.  Another sample of…

A: A sample of a compound containing only S and Cl contains 2.72g S and 6.04g Cl. Another sample of the…

Q: Q7) a compound is found to contain 40 % carbon, 6.7 % hydrogen, and 53 % oxygen by weight. What is…

A:

Q: 8. A chemistry student weighed a piece of chalk and found that it had a mass of 56.7 g. After a day…

A: Given in the question, Mass of chalk before using = 56.7 gm Mass of chalk after using = 48.3 gm Mass…

Q: Consider the following chemical reaction. 3 Zn(C₂H₃O₂)₂(aq) + 2 Na₃PO₄(aq) → 6 NaC₂H₃O₂(aq) +…

A: The formula weight (FW) of a compound is calculated using the following expression: FW=∑ni×Mi where…

Q: 1. Vitamin C has the formula C,H,Og. Calculate the number of vitamin C molecules present in a 0.250…

A: 2.) We are having 0.1 g of caffeine (C8H10N4O2) Molar mass of caffeine  = 194.2 g/mol

Q: 1. How many GRAMS of manganese(II) oxide are present in 2.43 moles of this compound ? ??? grams.…

A:

Q: (a) The molecular formula of acetylsalicylic acid (aspirin),one of the most common pain relievers,…

A: a) Since the molar mass of aspirin = Atomic mass of C X 9 + Atomic mass of H X 8 + Atomic mass of O…

Q: A mothball, composed of naphthalene (C10 H8 ), has a mass of 1.50 g. Part A How many naphthalene…

A: 1 mole of any atom or molecule contains Avogadro's number of atoms or molecules. Avogadro's number =…

Q: Part C Now that we have put coefficients of 3 in front of CaSO4 and CaCl2, what coefficient should…

A: Given, 3 CaSO4  +  AlCl3                       3 CaCl2  +  Al2(SO4)3     Required,…

Q: Hexachlorophene, a compound made up of atoms of carbon, hydrogen, chlorine, and oxygen, is an…

A: Solution -

Q: Number of atoms of C in 10 moles of C4H10 are:     240.88x10^23 24.09x10^23 4.15x10^23…

A:

Q: A particular oral contraceptive contains 0.0445 mg ethynyl estradiol in each pill. The formula of…

A:

Q: A patient is having an allergic reaction and takes a 50.050.0 mg tablet of the over‑the‑counter…

A: Given : Mass of C17H22ClNO = 50.0 mg = 0.050 g                                                (Since…

Q: The number of hydrogen atoms in 0.500g of glucose (C6H12O6) is a. 12 b. 1.67x1021 c. 2.78x10-3 d.…

A:

Q: CaSO, + Al Al2(SO4)3 + Ca -- REACTANTS PRODUCTS Element Symbol How Many? Element Symbol How Many?

A: As per the given reaction we have CaSO4 +Al----->Al2(SO4)3  +Ca In order to balance the…

Q: One főm o6 an active ingredient of Supp lements is iron II Sulphate bl what is inumber o6 m…

A: Iron is present naturally in many products like in dietary food and other food supplements.  It is…

Q: Thyroxine is a hormone secreted by the thyroid gland and has a formula of C15H11NO4I4. How many…

A:

Q: An aspirin tablet contains 0.325g of C9H8O4. A) How many molecules of C9H8O4 does it contain? B)…

A: Given: Mass of C9H8O4 = 0.325 g.

Q: 1.) The average cup of coffee contains about 125 mg of caffeine, C8H10N4O2. a.) How many moles of…

A: The given data: The mass of Caffeine = 125 mg. To determine = a.) The number of moles of caffeine…

Q: (a) 275 atoms W to mol W        (c) 12 molecules SO2 to g SO2 (b) 95 atoms H2O to kg H2O

A: Since we only answer up to 3 sub-parts, we’ll answer the first 3. Please resubmit the question and…

Q: 4) Vitamin B3, also known as niacin, helps maintain the normal function of the skin, nerves, and…

A: Vitamin B3 also known as niacine.Of formula C6H5NO2.Tablets contains vitamin B3 or C6H6N2O.…

Q: sample of propane, C3H8 C 3 H 8 , contains 11.5 moles m o l e s of carbon atoms. How many total…

A: C3 H8 contains 3 carbon and 8 hydrogen . So 1 mole contain 11 mole of atom.

Q: The empirical formula for the following sugar, C11H22O11 can be expressed as A. CH2O B. CHO C.…

A: Given  Molecular formula for C11H22O11