As a barometer rises, what kind of weather can be expected

Chemistry

2 answers:

rewona [7]3 years ago

8 0

The weather will likely become warmer and more humid

suter [353]3 years ago

4 0

When the barometer rises it means air pressure goes up. When that happens there is clear skies and little clouds. So you would be expecting hotter weather.

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At 47c a gas has a pressure of 140kpa. The gas is cooled until the pressure decreases to 105kpa. If the volume remains constant,

IgorC [24]

Answer:

The final temperature is equal to 240 K or -33.15°C

Explanation:

Given that,

Initial temperature of the gas, T₁ = 47°C = 320 K

Initial pressure, P₁ = 140 kpa

Final pressure, P₂ = 105 kpa

We need to find the final temperature if the volume remains constant. The relation between temperature and pressure is given by :

$P\propto T$

$\dfrac{P_1}{P_2}=\dfrac{T_1}{T_2}\\\\T_2=\dfrac{P_2T_1}{P_1}\\\\T_2=\dfrac{105\times 320}{140}\\\\T_2=240\ K\\\\T_2=-33.15^{\circ} C$

So, the final temperature is equal to 240 K or -33.15°C.

7 0

3 years ago

scientist has discovered a new molecular compound that is a long chain of 26 carbons bonded together, with a methyl group on one

Lelechka [254]

Answer:

Fatty acid

Explanation:

A fatty acid is a carboxylic acid with a long chain of 12 or more carbons.

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8 0

3 years ago

Phthalates, BPA, PFOA, and Atrazine are chemicals that don't degrade rapidly, and they are readily taken up by cells in the body

m_a_m_a [10]

Answer:

Endocrine disruptor

Explanation:

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They are correlate with some illness like cancer, thyroid problems and infertility.

7 0

3 years ago

What would be the temperature of 0.6 moles of fluorine that occupy 15 L at 2,300 mmHg?

Anna [14]

Answer: The temperature of 0.6 moles of fluorine that occupy 15 L at 2,300 mmHg is 920 K

Explanation:

According to ideal gas equation:

$PV=nRT$