The Empire State building in New York City is approximately 1250 ft1250 ft tall. How many U.S. half dollars would be in a stack of the same height? Each half dollar is 2.15 mm2.15 mm thick.

Q: a researcher is preparing for an experiment that requires 225g phosphoric acid. the only container…

A: We know , Density = mass / volume By using this relation we can calculate the volume of phosphoric…

Q: A student wanted to fill a small balloon with 1.00 L of H₂(g) at SATP. The hydrogen gas is produced…

A: we have to calculate mass of aluminum to produce 1.00L hydrogen

Q: In a certain cement production, 100 kg of limestone containing 90% carbonates (Calcium and Magnesium…

A: We have given 90 % mass of carbonates , so first we would calculate total mass of carbonates in 100…

Q: 5.6 x 1012 is .. .... Small than 1 O Larger than 1 60,900,000 is equal to 6.9 x 10° О 6.09 х 10°…

A: We know 10 to the power something minus is a verry small number if the multiplier is not a large…

Q: (a) Carbon monoxide (CO) is a poisonous gas because it binds very strongly to the oxygen carrier…

A: (a) Parts per million(ppm) is a term to measure the concentration of the solute in a solution in…

Q: The Statue of Liberty in New York City is approximately 305 ft305 ft tall. How many U.S. nickels…

A: By using the general conversion factor that 1mm = 0.00328084feet, the thickness of nickel coin in mm…

Q: 1. A balloon containing 3.45 x 1026 molecules of hydrogen gas has a volume of 1.55 L. How many…

A: Avogadro's  number gives the number of atoms, molecules or ions in one mole of the substance and it…

Q: The initial step in the formation of O3 from O2 in the stratosphere is the absorption of light by…

A: Given : ΔHfo of O (g) = 249.17 KJ/mol The reaction given is  O2 (g) ------> 2 O (g) The ΔH…

Q: 1. What is the density of a solid if a sample occupying a volume of 16.53 mL wei 85.4 g? 2. Why does…

A: Given: The mass of the solid is 85.4 g. The volume occupied is 16.53 mL.

Q: The sulfur in an 8-tablet sample of the hypnotic drug captodiamine, C21H29NS2 (359.6 g/mol) was…

A: Given :  Molar mass of captodiamine = 359.6 gm/mol  Mass of BaSO4 recovered = 0.3343 g  molar mass…

Q: the us national institute of standards and technology used mercury gauge as a primary standard for…

A: given, mass of mercury = 225 kilogram = 225000 grams density of mercury = 13.6 g/mL

Q: A sample of carbon monoxide initially at 97.0°C was heated to 194°C. If the volume of the carbon…

A: Volume of CO2 at 194°C, V1 = 670.8 mL T1 = 194°C = 467 K Volume of CO2 at 97°C, V2 = ? T2 = 97°C =…

Q: In heavy water, each of the hydrogen atoms is replaced by a deuterium atom. If the density of…

A: Heavy water is the deuterium oxide, which is another form of water containing heavier isotope of…

Q: 8.8995 x 105 s =

A: Welcome to bartleby ! Introduction :  We have to convert the units .

Q: WhalefossilsfoundintheSaharaDesertprovetheregionwasoncecoveredin water. Remnants of that water,…

A: Given: Mass of fossil water = 1.65 × 1014 tons. Density of water = 1.00 g/mL.

Q: Calculate the total mass of water in kg on Earth's surface from the following data: total planetary…

A: Given, total planetary surface area = 510066000 km2            total land area = 148647000 km2…

Q: A 571.4 mL sample of carbon dioxide was heated to 371 K. If the volume of the carbon dioxide sample…

A: According to ideal gas equation, temperature is directly proportional to volume of the gas.  ideal…

Q: The physical fitness of athletes is measured by “VO2 max,”which is the maximum volume of oxygen…

A: Given, VO2 max for an average male = 45 ml VO2 max for a world-class male athlete = 88.0 ml (a) Mass…

Q: the A sample of argon weighing 11.1 g occupies a volume of 15.7 L. What is the new volume if the…

A: [2.]  m1 = 11.1 g  V1 = 15.7 L  V2 = ?  m2 = 22.2 g  Molar mass of Ar = 39.948 g/mol n1 = 11.1 g /…

Q: 20. As an instructor is preparing for an experiment, he requires 425 g phosphoric acid. The only…

A:

Q: If 2.56 g of argon gas occupies a volume of 4.2 L, what volume will 1.18 moles of argon gas occupy…

A:

Q: 7. A sample of 10.00 g of oxygen has a volume of 6702 mL. The same weight of carbon dioxide occupies…

A: Density measures the quantity of matter present in a particular volume, which is generally expressed…

Q: Assuming that gasoline is 100% isooctane and that the density of isooctane is 0.792 g/mL, what mass…

A: Given reaction,        C8H18 + 12.5O2  → 8CO2 + 9H2O

Q: A farmer applies 1655 kg of a fertilizer that contains 10.0% nitrogen to his fields each year.…

A:

Q: What is the volume of 45 kg of a liquid that has a density of 1.567 g/L? O 2.9 x 104 L O 29 L O 2.9…

A:

Q: 4. How do particles of a gas differ from particles of a liquid when in the same container? A. Gas…

A: Answer: D  Explanation:  Particles in a gas are well separated with no regular arrangement. gas…

Q: A flask with a volume of 500.0 mL contains air with a density of 1.264 g/L. What is the mass of the…

A: At the standard temperature and pressure conditions, density is defined as the mass per unit volume.…

Q: 3. What is the volume of a aluminum ball at 10°C if its volume at 160°C is 300cm3 ?

A: Case: I (initial)Initial temperature, T1= 10∘CInitial volume,V1= ?Case:ii  (final) Final…

Q: What volume 15 grams of water occupies ? (express your answer in cm^ 3

A: Given: Mass of water = 15 g.

Q: You wish to prepare 211 grams of 16.6 % Mg(CH3COO),. . You will need grams of magnesium acetate and…

A:

Q: How many grams of iron (density = 7.87 g/mL) would occupy the same volume as 96.4 g of aluminum…

A: We know that : density, d = Mass, m/Volume, V  Or, d = m/V  Or, V = m/d ...(1)  In case of Al, m =…

Q: What volume of nitrogen gas (N2) is equal to 3.42x10^22 molecules

A: At STP:- 1 mol N2= 22.4L 1 mol N2= 6.022 x 1023 N2 molecules  6.022 x 1023 N2 molecules = 22.4 L…

Q: 29.9 Using Graham’s Law, if the speed of oxygen gas at room temperature is 1066 mi/hr, what is the…

A: According to the Graham's law of Gaseous diffusion, the rate of flow of the gas is inversely…

Q: A 540.3 mL sample of carbon dioxide was heated to 307 K. If the volume of the carbon dioxide sample…

A: Given: Initial Volume V1 = 540.3 mL = 0.5403 L Initial Volume V1 = 789.6 mL = 0.7896 L.  Final…

Q: If the average speed of a helium atom at a certain temperature is 1250 m/s, what is the speed in…

A:

Q: 4R) The recommended adult dose of Elixophyllin®, a drug used to treat asthma, is 6.00 mg/kg of body…

A: Given: Mass of drug = 6.00 mg/kg mass of person = 134lb To find: The mass of dose in mg

Q: Aluminum (Al) – Lithium (Li) alloys are widely used in the aircraft industry to reduce weight and…

A: According to the question we have, The desirable density is given by ρ = 2.50 g/cm3 and we know…

Q: The Gateway Arch in St. Louis, MO is approximately 630 ft tall. How many U.S. dimes would be in a…

A: Given the height of Gateway Arch = 630 ft Given the thickness of dime = 1.35 mm  We have to find how…

Q: A sample of carbon monoxide initially at 89.0 °C was heated to 178 °C. If the volume of the carbon…

A:

Q: Backpackers often use canisters of white gas to fuel a cooking stove’s burner. If one canister…

A: 1 L = 1000 cm31g = 0.001 kgVolume of the gas = 2.05 L = 2050 cm3Density of gas = 0.700 g / cm3

Q: 2. Assume the density of air at room temperature is 1.2 g/mL. A student is holding two balloons…

A: Given information, Density of air at room temperature = 1.2 g/mL Density of balloon filled with…

Q: 1. Using a glass syringe, a scientist draws exactly 25.5 cm of dry oxygen at 20.0 C trom a metal…

A: #1: Given the pressure of the syringe remains constant and equal to the atmospheric pressure. At…

Q: Calculate the percent by mass of potassium nitrate in a solution made from 45.0 g KNO3 and 295 mL of…

A:

Q: same volume of ethyl ether vapor to pass through the same hole? b) What volume of chlorine will…

A: Molar mass of O2(M1) = 32 g Molar mass of ethyl ether(M2) = 74 Rate of effusion = Volume…

Q: v1 = 2 v 3 v 4 v 5 7. 8. v 10 O 11 v 12 v 13 Part 1 of 2 Carbon monoxide (CO)is a poisonous gas…

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

Q: A 145.3 mL sample of carbon dioxide was heated to 301 K. If the volume of the carbon dioxide sample…

A: Charles law states that the volume of an ideal gas is directly proportional to the absolute…

Q: The Gateway Arch in St. Louis, MO is approximately 630 ft630 ft tall. How many U.S. half dollars…

A: While finding the number of any substance always use the following formula. Number = Total…

Q: What is the force in newtons acting on a 5.2 kg package of nails that falls off a roof and is on its…

A: Since ,          F= m x a  where F= force          m= mass         a = acceleration