3 years ago

When the distance from one object to another is changing the object is said to be in

Chemistry

1 answer:

Liula [17]3 years ago

8 0

Answer:

motion

Explanation:

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Passenger airplanes take off in the troposphere but can eventually move into

zhuklara [117]

Well that is because the stratosphere has lower temperatures and low air density. This gives the airplane less air pressure and with low air density they can fly faster :) Hope this helps.

5 0

2 years ago

Hydrogen gas is collected over water in an inverted buret. If the atmospheric pressure is 745 mm Hg, the vapor pressure of water

Varvara68 [4.7K]

Answer:

$P_{H_2}=727mmHg$

Explanation:

Hello there!

In this case, according to the given data, it is possible to infer that the gas mixture lies on the 15.0 cm-high column of water, so that the total pressure or atmospheric pressure is given by:

$P_{atm}=P_{water}+P_{H_2}$