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Kruka [31]
3 years ago
12

Hydrogen has three isotopes 1H, 2H, and 3H. What is the difference between these three isotopes? The number of protons ranges fr

om 1 to 3. The number of electrons ranges from 1 to 3. The number of neutrons ranges from 0 to 2. The number of protons ranges from 0 to 2.
Chemistry
2 answers:
kkurt [141]3 years ago
8 0

Answer : Option C) The number of neutrons ranges from 0 to 2.

Explanation : By the definition of isotopes, any atom which has same proton but differ in number of neutrons. In the given element which is Hydrogen. Which has three isotopes 1H, 2H and 3H. It has the same proton which is 1 and neutrons ranges from zero to 2. 1H has no neutrons, 2H has one neuton and 3H has two neutrons.

adell [148]3 years ago
3 0
The number of neutrons ranges from 0 to 2. By definition isotopes have the same number of Protons, but different number of Neutrons.
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Diuris are common orchids found in Australia. The flowers of this species display a large number of variations in color and mark
Strike441 [17]

From what we know, we can confirm that the variations in colors are a mechanism intended to protect the plants from predators.

<h3>Why is color a protection mechanism?</h3>

This can be observed throughout nature. Many poisonous organisms have evolved bright colors intended to be noticed. Over time, this has resulted in many predators avoiding prey with bright colors, in order to avoid the possibility of being poisoned.

Therefore, we can confirm that the variations in colors are likely a mechanism intended to protect the plants from predators.

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3 0
2 years ago
I NEED THE ANSWER IMMEDIATELY!!! Pls helppp
Wewaii [24]

Answer:

turgor pressure can be done in a lab or a self test.

turgor pressure is key to the plant’s vital processes. It makes the plant cell stiff and rigid. Without it, the plant cell becomes flaccid. Prolonged flaccidity could lead to the wilting of plants.

Turgor pressure is also important in stomate formation. The turgid guard cells create an opening for gas exchange. Carbon dioxide could enter and be used for photosynthesis. Other functions are apical growth, nastic movement, and seed dispersal.

Explanation:

  • salt is bad for turgor pressure.
  • Turgidity helps the plant to stay upright. If the cell loses turgor pressure, the cell becomes flaccid resulting in the wilting of the plant.
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7 0
3 years ago
What does a particular point on a line of a phase diagram represent?
Ainat [17]
The answer will be A.
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4 0
3 years ago
If only 0.186 g of Ca(OH)2 dissolves in enough water to give 0.230 L of aqueous solution at a given temperature, what is the Ksp
Lilit [14]

Answer:

Ksp=5.20x10^{-6}

Explanation:

Hello there!

In this case, according to the solubility equilibrium of calcium hydroxide:

Ca(OH)_2\rightleftharpoons Ca^{2+}+2OH^-

Whereas the equilibrium expression is:

Ksp=[Ca^{2+}][OH^-]^2

It is firstly necessary to calculate the molar solubility given the grams and volume of the dissolved solute:

s=\frac{0.186g/(74.09g/mol)}{0.230L}=0.0109M

Now, according to the Ksp expression, we plug in s as the solubility to obtain:

Ksp=(s)(2s)^2\\\\Ksp=(0.109)(2*0.0109)^2\\\\Ksp=5.20x10^{-6}

Regards!

8 0
3 years ago
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