Each time you inhale, you take in about 5.0x10^2ml (two significant figures) of air, each milimeter of which contains 2.5x10^19 molecules. In deivering the Gettysburg Address, Abraham Lincoln is estimated to have inhaled about 200 times. How many molecules did Lincoln take in?

Q: How many grams are in 7.59 x 1023 molecules of Fe2O3?

A: Given 7.59 ×1023 molecules of Fe2O3 . To find grams of Fe2O3 .

Q: What is the difference in mass between a nickel that weighs 4.8 g and a nickel that weighs 4.8673 g?

A: Given,  Mass of nickel = 4.8…

Q: How many daL of bromine are in 15.7 x 1022 molecules?  (The density of bromine is 3.1 g/cm3) The…

A: Given: The density of bromine = 3.1 g/cm3 We have to find How many daL of bromine are in 15.7 x 1022…

Q: a. What is the mass of 1.49 x 1024 atoms of chlorine? grams b. What is the mass of 9.12 x 1023…

A: a) mass of 1.49×1024 atoms of chlorine.

Q: How many miles deep would a mole of popcorn kernels have to be in order to cover the Condinental…

A: Volume of 90 kernels of popcorn = 1 cu inch Length of the U.S. = 3000 miles Breadth of the U.S. =…

Q: The molecular formula for caffeine, one of the key compounds found in coffee and tea, is C8H10N4O2.…

A:

Q: what is the weight in grams of 4.30 x 10^14 CF4 molecules?

A:

Q: See pic below

A: Given, Mass of methane = 3.20g

Q: The molecular formula of aspirin is C9H8O4. How many aspirin molecules are present in one…

A:

Q: Which statement is true about the elements present in a compound?  They maintain their chemical…

A: You are going to deal with electrons.

Q: How many CH3(CH2)4OH molecules are there in 39.5 g of CH3(CH2)4OH? Enter your answer using the…

A: Mass of CH3(CH2)4OH  = 39.5 g

Q: The density of liquid benzene, C6H6, is 0.879 g/cm^3 at 15°C. How many moles are in 73.0 mL of…

A:

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: Fingernail–polish remover is primarily acetone (C3H6O). How many acetone molecules are in a bottle…

A: Given: Volume of acetone, V = 325 mL = 325 cm3 Density of acetone, d = 0.788 g/cm3 Mass of acetone =…

Q: What is the weight of the grams of Na equivalent to the same number of atoms as those in 15 g of K?

A: Given: Mass of potassium= 15 g  The molar mass of potassium = 39.098 g/mol Moles of potassium=Mass ÷…

Q: if a tablet of acetaminophen, C8H9NO2, weighs 354mg, how many moles are there in the tablet

A:

Q: The average dollar bill is 1.8x107 nm long and weighs 0.987 g.  The distance to the sun is 1.5x108…

A: Mole : Mole is the unit by which we measure the amount of substance. One mole is equal to the number…

Q: Complete each row of the table below by filling in the missing prefix or missing exponent. 1…

A: Complete each row of the table below by filling in the missing prefix or missing exponent.

Q: How many atoms are contained in 4.1 g of carbon? How can you round this answer to 2 significant…

A: 1 mole of any substance contains 6.023×1023 atoms.1 moles of carbon atoms weigh 12 g.

Q: 1. КОН / Н2О L 2. H30* 1. l2, NaOH / H20 M 2. HСI

A: Organic Transformation for the given Mentioned reaction  1st Basic Hydrolysis  2nd Iodoform followed…

Q: 5 (2.74) The carat is the unit of mass used by jewelers. One carat is exactly 200mg. How many carbon…

A: 1 carat = 200 mg Diamond present = 2.5 carats Molar mass of carbon = 12.01 g/mol

Q: What is the mass, in grams, of 7.940 x 1023 molecules of zinc acetate? Enter your answer with at…

A: Given number of molecules of zinc acetate=7.940×1023 Chemical formula of zinc acetate, ZnC4H6O4…

Q: How many mL of paraffin wax would it take to make a candle of this size, with a volume of 11.0 in³ ?

A: Given: Volume = 11.0 in3.

Q: A 100 mL solution of theobromine in water is made, and the solution has a density of 1.16 g/mL. If…

A: Given: Density of theobromine solution = 1.16 g/mL The density of water = 1g/mL, To calculate:…

Q: You wish to prepare 210 grams of 16.3 % Mg(NO3)2 You will need grams of magnesium nitrate and mL of…

A: Given that we have to prepare a 210 grams of 16.3 % MgNO32 solution. Recall the expression of mass…

Q: What is the mass of 3.50 billion billion atoms of rhenium?  (One billion billion is 1 x 10^18)

A: Given: The number of atoms of Rhenium(Re)=3.50×1018  The atomic mass of Re=186.207 u

Q: F. How many oxygen molecules are in 2.40 g of O2(g)? A: 4.52 x 1022

A: Given : Mass of O2 = 2.40 g

Q: grams are in 2.71 x1024 molecules of S8?

A: Given: To find the grams in 2.71×1024 molecules of S8

Q: How many neon atoms are contained in (6.89x10^2) grams of neon? Use at least two decimal places for…

A: Given -> Weight of neon = 6.89 × 102 gram

Q: 1. What volume of toluene do you need to add to 1 mL of ethyl acetate to make an equi-molar mixture?…

A: Introduction :  Equimolar solutions can be defined as the the solution which contains the same…

Q: Carbon tetrachloride, CCl4, was a popular dry-cleaning agent until it was shown to be carcinogenic.…

A: 1 mole = 6.022×1023 (Avogadro's number)  The mass of one mole of molecules of a substance is known…

Q: How many atoms of oxygen are in 12.99 g of nickel(II) nitrate? 2.569 x 1023 1.284 x 1023 1.944 x…

A:

Q: How many grams are in 2.85 x 10^23 molecules of CO2?

A: The question is based on mole concept. we have to calculate mass of carbon dioxide present in the…

Q: What is the volume if the density of NaOH is 1.33 g/mL and there are 0.46 mol of NaOH? 0.23 mL 6.45…

A: We have given that density of NaOH = 1.33 g/mole Mole of NaOH = 0.46 mole   And Volume = ?

Q: How do i Complete the following calculation? Determine the number of grams of Carbon in 3.14 x 1032…

A: To get the number of gram calculate mole then with the help of mole calculate mass.

Q: An average refrigerator has a volume of 0.6 m³. If a grain of salt has a volume of 9.39 × 10-11 m³,…

A: Average volume of refrigerator = 0.6 m3  volume of a grain of salt = 9.39 × 10-11m3

Q: Conversion If you could count individual atoms at the rate of one atom per second, about how many…

A: 1 atom = 1second  6.02* 1023 atoms = 6.02*1023 second

Q: 1. NANO2/ HCl A C12H10 ON2 2. Fenol

A: The reagents used here are NaNO2/ HCl and phenol. NaNO2/ HCl is used to prepare HNO2 which is used…

Q: How many grams of AuCl3 contain 5.0 x 1023 molecules Group of answer choices 251 g 2.51 x 1048 g…

A: Given, No. of molecules = 5.0×1023 To calculate the grams of AuCl3.

Q: How many molecules are in 6.26 grams of sulfur dioxide? ______ molecules What is the mass in grams…

A:

Q: Welders use helium (He) and argon (Ar) gases to blow over the metal during the welding process.  Why…

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

Q: A student is given a 6.216 g mixture of iron filings, calcium chloride, and sand. He separates the…

A:

Q: 9. How many Liters are there in 1.50 x1025 molecules of CO2? V- M. G а. 24.9 Liters b. 1.11 Liters…

A: Given, Number of molecules of CO2 = 1.50 × 1025 molecules Volume (in Liters) are there in 1.50 ×…

Q: What mass of oxygen is present in 10.0 grams of potassium nitrate (KNO3)?

A: Mass of KNO3 = 10 g Molar mass of KNO3 = 101.1 g/mol

Q: How many carbon atoms are there in a 1.0-carat diamond? Diamonds are a form of pure carbon. ( 1…

A: Given:1 carat=0.20gWe know,Atomic mass of C=12.0107g/molalso, 1 mol of C=6.022×1023 atoms of C

Q: Mass (in grams) of 1.00×10−2 molof CdS. Express the mass in grams to three significant digits.…

A: The mass in grams is calculated for CdS as shown,

Q: How many atoms are there in 11.1 g of sulfur? You will need to divide your answer by 1.0x10^23

A: The number of atoms in a compound is calculated as the product of number of moles and the Avogadro's…

Q: What is being represented by the picture belovn a compound being physically separated into its…

A: Element: The element is formed by only one type of atom. All the atoms in the element are the same.…

Q: How many MOLECULES of water are present in 9.27 grams of this compound? A 7.10 x 1023 molecules H20…

A:

Q: The mass of one ethanol (C2H6O) molecule is 7.65 × 10–23 grams. True or False

A: The given compound is ethanol. The molar mass of the ethanol is 46.07 g/mol.