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3 years ago

Why is the solubility of a neutral organic compound unaltered by exposure to aqueous acid or base?

1 answer:

jeka943 years ago

6 0

Adding an acid or base adds a greater charge in the water, which makes slightly charged compounds dissolve better than they would have on their own. However, if the substance is neutral, it is not affected by the presence of any charge and cannot be made to dissolve by adding acid or base.

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Fossils of a now extinct dinosaur have been found near the east coast of South America and the west coast of Africa. The dinosau

Temka [501]

Answer:

The Glossopteris fossil is found in Australia, Antarctica, India, South Africa, and South America—all the southern continents. Now, the Glossopteris seed is known to be large and bulky and therefore could not have drifted or flown across the oceans to a separate continent

Explanation:

Your welcome

6 0

3 years ago

If 50.0 g of water saturated with potassium chloride at 80.0°C is slowly evaporator to dryness, how many grams of the dry salt w

balu736 [363]

Answer:

25.0 g.

Explanation:

From the solubility curve that is shown in the attached image, the solubility of KCl per 100.0 g of water is about 50.0 g.

<em>So, a saturated solution of KCl in 50.0 g of water will contain about 25.0 g.</em>

<em>Thus, the grams of the dry salt that will be recovered is 25.0 g.</em>

5 0

3 years ago

you know the mass of an object and the force applied to the bject to make it move . Which of Newtons laws of motion will help yo

MAVERICK [17]

Answer:

second law of acceleration

Explanation:

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8 0

3 years ago

Read 2 more answers

12. Which gas has the greatest kinetic energy at STP?

balandron [24]

Answer:

d. none of the above (all have the same kinetic energy)

Explanation:

The kinetic theory of gases states that the molecules of an ideal gas experience a constant random motion.

At standard temperature and pressure (STP), the kinetic energy of an ideal gas such as hydrogen, argon, neon, sodium, oxygen, helium, magnesium, beryllium, nitrogen, carbon, fluorine, chlorine etc are all the same.

The standard temperature and pressure (STP) of an ideal gas is 273K and 100 kPa.

Hence, all of the gases have the same kinetic energy at standard temperature and pressure (STP).

Kinetic energy can be defined as an energy possessed by an object or body due to its motion.

Mathematically, kinetic energy is given by the formula;

$K.E = \frac{1}{2}MV^{2}$

Where, K.E represents kinetic energy measured in Joules.

M represents mass measured in kilograms.

V represents velocity measured in metres per seconds square.

4 0

3 years ago

The temperature at which water vapor condenses into liquid water

Marysya12 [62]

Precipitation

100°C
When 1 mol of water vapor at 100°C condenses to liquid water at 100°C, 40.7 kJ of heat are released into the surroundings.

3 0

2 years ago