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arlik [135]
3 years ago
15

A chef fills a 50ml container with 43.5g of cooking oil. whats the density of the oil

Chemistry
1 answer:
jasenka [17]3 years ago
4 0
I believe the answer is .87g/mL. But I'm not sure so whatevs
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Nitric acid (HNO3) is a strong acid that is completely ionized in aqueous solutions of concentrations ranging from 1% to 10% (1.
Alborosie

<u>Given:</u>

Concentration of HNO3 = 7.50 M

% dissociation of HNO3 = 33%

<u>To determine:</u>

The Ka of HNO3

<u>Explanation:</u>

Based on the given data

[H+] = [NO3-] = 33%[HNO3] = 0.33*7.50 = 2.48 M

The dissociation equilibrium is-

            HNO3   ↔    H+      +      NO3-

I            7.50               0                 0

C          -2.48          +2.48              +2.48

E            5.02            2.48              2.48

Ka = [H+][NO3-]/HNO3 = (2.48)²/5.02 = 1.23

Ans: Ka for HNO3 = 1.23

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3 years ago
Identify earths lithospheric plates
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Answer:

Lithospheric plates are regions of Earth's crust and upper mantle that are fractured into plates that move across a deeper plasticine mantle. Earth's crust is fractured into 13 major and approximately 20 total lithospheric plates.

Explanation:

<em>I hope this helps</em>

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25. Which is not a form of chemical changer
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Answer:

C. Digestion is the answer.

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In a closed system containing three different gases as shown, X2 + Y2 = 2XY
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X2+Y2-2XY=(X-Y)2=0
X=Y
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What is the charge of Fe(OH)3?
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