Chemistry, 17.10.2019 00:30 jamilamiller200
Which of the following regarding atmospheric pressure is true?
air pressure at sea level is approximately 1013.2 mb.
the tropopause serves as a buffer against the pressure exerted by the atmosphere.
while the atmosphere exerts pressure, it is a negligible amount.
atmospheric pressure increases with altitude and is, therefore, lowest near the earth's surface.
atmospheric pressure is greatest in the mesosphere.
# 2)
which of the following regarding the dimensions of the known universe, the milky way, and our solar system is not true?
earth is closest to the sun during the month of june.
on average, the moon is 384,000 km (238,866 mi) from earth.
on average, the sun is approximately 150 million km (93 million mi) from earth.
which of the following regarding the dimensions of the known universe, the milky way, and our solar system is not true?
the known universe stretches approximately 12 billion light years in all directions.
Answers: 2
Chemistry, 21.06.2019 23:00
Plz choose one of the compounds from the table and explain how you know the numbers of atoms in your formula. is it possible for two different compounds to be made from the exact same two elements? why or why not? with a limited number of elements (less than 120 are known), does this mean we also have a small number of compounds or do we have a large number of compounds in this world?
Answers: 1
Chemistry, 22.06.2019 07:10
Remember to use the proper number of significant figures and leading zeros in all calculations.gelatin has a density of 1.27 g/cmΒ³. if you have a blob of gelatin dessert that fills a 2.0 liter bottle, what is its mass? 2540 g2500 g3.9 x 10-43.937x 10-4
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Chemistry, 22.06.2019 16:40
Identify the lewis acid in this balanced equation: ag+ + 2nh3 -> ag(nh3)2+a. ag+b. nh3c. ag(nh3)2+
Answers: 1
Which of the following regarding atmospheric pressure is true?
air pressure at sea leve...
air pressure at sea leve...
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