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nadezda [96]
3 years ago
8

What would occur if some of the red blood cells were placed in beaker C/plasma ? Recall that red blood cells normally float in p

lasma.                                                                                                                                                                                                                               A    The concentration of water inside and outside the cells would be equal, so no diffusion would occur.                     B   The concentration of water inside the cells would be less than outside, so the cells would swell.         C     The concentration of water inside the cells would be greater than outside, so the cells would shrink.             D  The concentration of water inside and outside the cells would be equal, so no osmosis would occur
Chemistry
1 answer:
timofeeve [1]3 years ago
4 0
I think the answer would be letter C.
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SnO2 + C → Sn + СО balance​
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Tin(IV) Oxide + Carbon = Tin + Carbon Monoxide

Explanation:

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What is the difference between nitrite and nitrate​
Dahasolnce [82]

Answer:

<u>Nitrite:</u>

  • Formula : NO₂⁻
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<u>Nitrate:</u>

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\rule[225]{225}{2}

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4 0
2 years ago
Calculate the number of particles in a 0.75 gram sample of Calcium Nitrate; Ca(NO3)2​
kkurt [141]

The number of particles : 2.75 x 10²¹

<h3>Further explanation  </h3>

A mole is a unit of many particles (atoms, molecules, ions) where 1 mole is the number of particles contained in a substance that is the same amount as many atoms in 12 gr C-12  

1 mole = 6.02.10²³ particles  

\tt n=\dfrac{N}{N_o}

N = number of particles  

No = Avogadro number (6.02.10²³)  

n = number of moles  

While the number of moles can also be obtained by dividing the mass (in grams) with the molar mass of element or molecule  

0.75 gram sample of Calcium Nitrate; Ca(NO₃)₂

MW of Ca(NO₃)₂ : 164.09 g/mol

\tt mol~Ca(NO_3)_2=\dfrac{0.75}{164.09}=0.00457

The number of particles

\tt N=n\times N_o\\\\N=0.00457\times 6.02\times 10^{23}=2.75\times 10^{21}

5 0
3 years ago
PLEASE HURRY!!!!!!!!!!<br><br> This is the only one I don’t know
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Goooooggoooooogaaaaaaaagaaaa
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Please hurry I'm in a test... 50 pts :)) HIGH SCHOOL CHEMISTRY
allochka39001 [22]

Answer:

A. Energy is absorbed because the product has more energy than the reactants have.

Here the energy of both reactants is combined together and not released.

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