Number 4 daw loac punal analysis to solve each problem. Show all your work.1) How many days is 1,430 minutes?0.993 days1430/60x24=143/1442) A track star ran 1500 meters. How many feet did they run?Conversion factors: 1 in. = exactly 2.54 cm; 100 cm = exactly 1 m; 1 km = exactly 1000 m1 in=2.54 cm100 cm=1 m1 in=0,0254 mso,1500 in =1500*0254=38.1 m3) The molar mass of a new prescription drug is 287.34 g/mol. If the manufacturer produces 537 moles ofthe drug, how many grams did they produce?287.34 x 537 = 154301.584) a. Use the periodic table to calculate the molar mass of ammonia, NH,.b. A cleaning bottle contains 83.1 g of ammonia. How many molecules of ammonia are in the bottle?5) A molecule of oxygen (0,) has a speed of 473 m/s at a certain temperature. Determine the speed of themolecule in kilometers per hour (km/h).

a) calculate the molar mass of NH3 Molar atomic mass of N = 14gmol-1 And Molar atomic mass of H =…

Answered: 4) a. Use the periodic table to…

4) a. Use the periodic table to calculate the molar mass of ammonia, NH,. b. A cleaning bottle contains 83.1 g of ammonia. How many molecules of ammonia are in the bottle?

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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Question

Number 4

daw loac pu
nal analysis to solve each problem. Show all your work.
1) How many days is 1,430 minutes?
0.993 days
1430/60x24=143/144
2) A track star ran 1500 meters. How many feet did they run?
Conversion factors: 1 in. = exactly 2.54 cm; 100 cm = exactly 1 m; 1 km = exactly 1000 m
1 in=2.54 cm
100 cm=1 m
1 in=0,0254 m
so,1500 in =1500*0254=38.1 m
3) The molar mass of a new prescription drug is 287.34 g/mol. If the manufacturer produces 537 moles of
the drug, how many grams did they produce?
287.34 x 537 = 154301.58
4) a. Use the periodic table to calculate the molar mass of ammonia, NH,.
b. A cleaning bottle contains 83.1 g of ammonia. How many molecules of ammonia are in the bottle?
5) A molecule of oxygen (0,) has a speed of 473 m/s at a certain temperature. Determine the speed of the
molecule in kilometers per hour (km/h).

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