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3 years ago

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Chemistry

1 answer:

maw [93]3 years ago

5 0

Answer:

hhhhdhabbjdksdalitkslhbdlqhbdndnvlirladiksha pokgjwnfkfdiksha pokhrel shhddhhgkd

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Minerals in geodes form spectacular euhedral crystals because ________. A. all of the elements incorporated in the crystals are

vovangra [49]

B. the crystals have abundant room to grow in their hollow surroundings

Explanation:

Minerals in geodes form spectacular euhedral crystals because the crystals have abundant room to grow in their hollow surroundings.

Euhedral crystals are crystals that have well formed and defined faces. The opposite term for euhedral is anhedral. Anhedral crystals lacks crystal faces.

When a crystal have abundant room to grow in their hollow surroundings, they grow and develop well without any alteration of their faces.

Crystal faces are destroyed when crystals don't have spaces to grow and they touch each other.

Learn more:

Platinum crystals brainly.com/question/5048216

#learnwithBrainly

6 0

3 years ago

The equilibrium expression for a reaction is `"K"_("eq") = ("[H"^+"]"^6)/("[Bi"^(2+)"]"^2["H"_2"S"]^3)` Which of the following c

Nata [24]

Option B is correct

K = Kp /Kr

The given equation indicating, the product containing 6 moles of proton whereas the reactant contains 2 mole of bismuth and 3 mole of hydrogen sulphide.

Hence, in reaction B there are 2 mole of bismuth and 3 mole of hydrogen sulphide reacting to produce 6 moles of proton. whereas the concentration of Bi2S3 is not considered as it is present in solid phase.

4 0

3 years ago

Read 2 more answers

In a recent Grand Prix, the winner completed the race with an average speed of 299.8 km/h. What was his speed in miles per hour,

scoundrel [369]

Answer :

(a) The speed is, 186.287 mi/hr

(b) The speed is, 83.277 m/s

(c) The speed is, 273.22 feet/s

Explanation :

(a) We are given the speed is, $299.8km/hr$

As we know that,

$1km=\frac{1}{1.60934}mi$

By using both the conversion, we get:

$299.8km/hr$

$\Rightarrow \frac{299.8km}{1hr}\times \frac{1mi}{1.60934km}$

$\Rightarrow 186.287mi/hr$

The speed is, 186.287 mi/hr

(b) We are given the speed is, $299.8km/hr$

As we know that,

$1km=1000m$

and,

$1hr=3600s$

By using both the conversion, we get:

$299.8km/hr$

$\Rightarrow \frac{299.8km}{1hr}\times \frac{1000m}{1km}\times \frac{1hr}{3600s}$

$\Rightarrow 83.277m/s$

The speed is, 83.277 m/s

(c) We are given the speed is, $299.8km/hr$

As we know that,

$1km=3280.84feet$

and,

$1hr=3600s$

By using both the conversion, we get:

$299.8km/hr$

$\Rightarrow \frac{299.8km}{1hr}\times \frac{3280.84feet}{1km}\times \frac{1hr}{3600s}$

$\Rightarrow 273.22feet/s$

The speed is, 273.22 feet/s

3 0

4 years ago

How do water molecules dissolve a salt?

Artist 52 [7]

Answer:

Water can dissolve salt because the positive part of water molecules attracts the negative chloride ions and the negative part of water molecules attracts the positive sodium ions. The amount of a substance that can dissolve in a liquid (at a particular temperature) is called the solubility of the substance.

Explanation:

5 0

4 years ago

This is due at 12am HELP!!

Lisa [10]

Answer:

I have the same

Explanation:

like I have the same homework as you are u in my class lol?

4 0

3 years ago