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Nana76 [90]
3 years ago
8

10 points

Chemistry
1 answer:
Oduvanchick [21]3 years ago
7 0

Answer:

table C will be the correct answer

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For a sample of stomach acid that is 2.02×10−2 M in HCl, how many moles of HCl are in 14.6 mL of the stomach acid?
GaryK [48]

Answer:

0.0002949 moles

Explanation:

Concentration = 2.02×10−2 M

Volume = 14.6 mL = 0.0146 L (Upon converting to litres)

Number of moles = ?

These variables are related by the fllowing equation;

Concentration = Number of moles / Volume

Number of moles = Concentration * Volume

Number of moles = 2.02×10−2 * 0.0146 = 0.0002949 moles

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A hiker seals a plastic bag that contains dried fruit before the climbs a mountain. What will most likely happen to the plastic
romanna [79]

From the ideal gas equation,

PV = nRT

where n is number of moles, R is Universal gas constant, P is pressure, V is volume,  and T is temperature of the gas.

The pressure and volume are inversely proportional to each other at constant temperature and number of moles.

Hence, on decreasing the pressure, the volume will increase.

As the hiker reaches a height of a mountain, the pressure would decrease which results in the reestablishment of equilibrium between gas molecules thus resulting in pushing of bag outwards.

Hence, the bag will expand as the hiker reaches the top of the mountain.

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3 years ago
How was the Earth's layers formed? pls no g00gle search
Law Incorporation [45]

Answer:

By god

Explanation:

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Each____<br> is a female sex organ about the size and<br> shape of an almond
Galina-37 [17]

Each \sf\purple{ovary} is a female sex organ about the size and shape of an almond.

Explanation:-

  • Ovaries are the the primary female reproductive organs.
  • There are two ovaries which are located on either side of the uterus.
  • The two functions of ovaries are -i) to produce eggs (ova) and ii) to produce female hormones.

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How does gas pressure differ from vapor pressure
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The main difference between gas pressure and vapour pressure is that gas pressure is exerted by the gases above the surface of a substance whereas vapour pressure is exerted by liquids above the surface of a substance
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