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JulijaS [17]
3 years ago
10

) What parts of pizzly resemble that of a grizzly bear?

Chemistry
1 answer:
user100 [1]3 years ago
6 0

Answer:

Animal was shot in Nunavut, Canada earlier this month by hunters. It resembles a polar bear but has claws and brown paws of a grizzly bear. Experts claim the 'pizzly' or 'grolar' bear is a hybrid between the two. DNA tests revealed it was actually a blonde haired grizzly bear

Explanation:

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What ecosystems would be likely to have the greatest diversity
ozzi
Biodiversity is all ecosystems on Earth that support habitats. The ecosystem that wiuodl most likely hsve the greatest diversity woodlouse be the the jungke bevcause itb need the most baviar it need the right climate and also need s goalpost ster for sll the animals tht ;ive there.<span />
5 0
3 years ago
How many moles are in a 275g sample of K2CrO3
Marrrta [24]

Answer:

There are approximately 1.54 moles  in a 275 g sample of K_2CrO_3.

Explanation:

To find out number of moles, fistly we have to calculate molecular mass of K_2CrO_3.

There are 2 atoms of Potassium 1 atom of Chromium and 3 atoms of oxygen in the given compound.

For molecular mass we have to add the value of mass of 2 atoms of Potassium with mass of 1 atom of Chromium and with mass of 3 atoms of oxygen.

Atomic mass of Potassium = 39

Atomic mass of Chromium = 52

Atomic mass of Oxygen = 16

Now,

Molecular mass of K_2CrO_3 = 2\times 39+52+3\times 16=78+52+48=178\ gm

The molecular mass of a compound is the mass of compound in one mole.

To find out the number of moles, we have to divide given mass of compound by its molecular mass.

Number\ of\ moles=\frac{given\ mass}{molecular\ mass}

Number\ of\ moles=\frac{275}{178}= 1.54

Hence the number of moles in 275 gm of K_2CrO_3 is 1.54.

8 0
3 years ago
A student has 0.75 L of a 5.0 M solution and dilutes it to make 3.5 liters. What’s the molarity of the diluted solution?
Marianna [84]

The molarity of the diluted solution : 1.1 M

<h3>Further explanation</h3>

Dilution is the process of adding solvent to get a more dilute solution.

The moles(n) before and after dilution are the same.

Can be formulated :

\tt n_1=n_2\\\\M_1.V_1=M_2.V_2

M₁ = Molarity of the solution before dilution  

V₁ = volume of the solution before dilution  

M₂ = Molarity of the solution after dilution  

V₂ = Molarity volume of the solution after dilution

M₁=5

V₁=0.75

V₂=3.5

\tt M_2=\dfrac{M_1.V_1}{V_2}\\\\M_2=\dfrac{5\times 0.75}{3.5}\\\\M_2=1.07\approx 1.1

3 0
3 years ago
I don’t know how to solve this
stepladder [879]
Hi,

Answer is 191.2.

800J = 191.2 cal

Hope this helps.
7 0
3 years ago
Which of the following best helps to account for the fact that the F- ion is smaller than the O2- ion?
katrin [286]

Answer: Option (B) is the correct answer.

Explanation:

Both oxygen and fluorine are period 2 elements and when we move across a period then there occurs a decrease in atomic size of the atoms. Hence, the atomic radius of a neutral fluorine atom is smaller than a neutral oxygen atom.

Moreover, atomic number of fluorine is 9 and it has higher nuclear charge due to which it will cause more attraction of electrons. As a result, size of a fluorine ion will be smaller.  

On the other hand, size of oxygen atom is larger and has small nuclear charge due to which attraction of electrons by its nucleus will not be strong enough. Hence, the size of O^{2-} will be larger.

Thus, we can conclude that the statement F^{-} has a larger nuclear charge than O^{2-} has, is correct for the fact that the F^{-} ion is smaller than the O^{2-} ion.

3 0
4 years ago
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