Chemistry, 30.06.2021 14:00 lanaiheart7
A porpoise sends out an ultrasonic burst and hears the echo off his favorite food in 0.13 seconds. How far away is the food source? Assume that sound travels at 1,530 m/sec in water
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Chemistry, 22.06.2019 06:30
(1.6 × 10-19)(5.0 × 106) = c × 10d identify the missing numbers below to show the result of multiplying the numbers.
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Chemistry, 22.06.2019 12:00
An atom of which element reacts with an atom of hydrogen to form a bond with the greatest degree of polarity ?
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Chemistry, 22.06.2019 14:30
Aroom with dimensions 7.00m×8.00m×2.50m is to be filled with pure oxygen at 22.0∘c and 1.00 atm. the molar mass of oxygen is 32.0 g/mol. how many moles noxygen of oxygen are required to fill the room? what is the mass moxygen of this oxygen?
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A porpoise sends out an ultrasonic burst and hears the echo off his favorite food in 0.13 seconds. H...
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