afariFileEditViewHistory Bookmarks WindowHelp<>www-awn.aleks.comalex Yahoo Search Results Yahoo Search ResultsALEKSO STOICHIOMETRYUsing the Avogad ro Number-23g and a small airplane has a mass of 5000. kg.An aluminum atom has a mass of 4.48 x 10Use this information to answer the questions below. Be sure your answers have the correct number of significant digits.What is the mass of 1 mole of aluminum atoms?x10?XHow many moles of aluminum atoms have a mass equal tothe mass of a small airplane?ExpationCheck2019 McGraw-80AUG19II

Calculate mass of one mole of Aluminum atoms:

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Chemistry

9th Edition

ISBN:9781133611097

Author:Steven S. Zumdahl

Publisher:Steven S. Zumdahl

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 95AE: This year, like many past years, you begin to feel very sleepy alter eating a large helping of...

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A 2.0-mer volume of hydrogen gas combined with 1.0 liter of oxygen gas to produce 2.0 liters of water vapor. Does oxygen undergo a chemical or physical change?
3.37 If atypical grain of sand occupies a volume of 1.3 × 10-4 cm3, what is the volume (in cm3) of 1 mole of sand (ignoring the space between grains)? What is the volume in liters?
The mole is the SI unit for the amount of a substance. The mass of one mole of pure table sugar is 342.3 grams. How many grams of sugar are in exactly 1/2 mole? What is the mass of 0.764 mole?
A(n) always has the same composition.
Why do we use an objects mass, rather than its weight, to indicate the amount of matter it contains?
If a solid block of glass, with a volume of exactly 100 in.3, is placed in a basin of water that is full to the brim, then of water will overflow from the basin.
Cyclopropane mixed in the proper ratio with oxygen can be used as an anesthetic. At 755 mm Hg and 25C, it has a density of 1.71 g/L. (a) What is the molar mass of cyclopropane? (b) Cyclopropane is made up of 85.7% C and 14.3% H. What is the molecular formula of cyclopropane?
This year, like many past years, you begin to feel very sleepy alter eating a large helping of Thanksgiving turkey. Some people attribute this sleepiness to the presence of the amino acid tryptophan in turkey. Tryptophan can be used by the body to produce serotonin, which can calm the brains activity and help to bring on sleep. a. What mass in grams of tryptophan is in a 0.25-lb serving of turkey? (Assume tryptophan accounts for 1.0% of the turkey mass.) b. What mass in grams of tryptophan is in 0.25 quart of milk? (Assume tryptophan accounts for 2.0% of milk by mass and that the density of milk is 1.04 kg/L.)
How many grams Fin 584.8 g Br2F6? Put the answer in the box in regular (non-scientific) notation. Use one figure past the decimal.
The mass of 4.375 x 1016 molecules of compound with the molecular formula C3H9N is ______ g. Report your answer in scientific notation and to 3 s.f. For example, if your answer was 1.076 x 10-10 you would report it as 1.08e-10.
1892889099 BN=9781305657571&snapshotld%32199... Lo DTAP Q Search this cour Use the References to access important values if needed for this question. Automobiles are often implicated as contributors to global warming because they are a source of the greenhouse gas CO2. How many pounds of CO, would your car release in a year if it was driven 100. miles per week? Gasoline is a complex mixture of hydrocarbons. In your calculations, assume that gasoline is isooctane (molecular formula C3H18) and that it is burned completely to CO2 and H,O in the engine of your car. Also assume that the car averages 25.6 miles per gallon and that the density of isooctane is 0.692 g cm Pounds of CO2 released = lbs Submit Answer 5 question attempts remaining
The number of oxygen atoms in 20.18 grams of Al(NO;); is: O 1.712 x 1023 O 0.09474 5.135 x 1023 O 5.705 x 1022

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