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Mrac [35]
2 years ago
6

PLS HELP

Chemistry
2 answers:
frutty [35]2 years ago
6 0

Answer:

Creo que es  D) grass, antelope, lion

Explanation:

El antílope se alimenta de hierba y el león del antílope.

jek_recluse [69]2 years ago
4 0

Answer:

D because the grass is eaten by the antelope and the antelope is eaten bu the lion

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What does the foundation of the continents mostly consist of?
Dafna11 [192]

Answer:

The correct answer is sedimentary rock.

Explanation:

The sedimentary rocks are the types of rocks, which are produced due to the deposition and the succeeding cementation of that substance at the shallow part of the Earth and within the water bodies. In the geological sciences, sedimentation refers to the procedure of the deposition of the solid substance from a state of solution or suspension in a fluid, that is, water or air.

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3 years ago
Suggest an alternative to zinc oxide that could react with hydrochloric acid to give you the desirable product.
topjm [15]

Answer:

maybe all the basic oxide i guess

Explanation:

cuo + hcl -> cucl2 + h20

...

4 0
3 years ago
A student collects 350 mL of a vapor at a temperature of 67°C. The atmospheric pressure at the time of collection is 0.900 atm.
castortr0y [4]

Answer: First option 0.011 moles

Explanation:

You need to use the formula for Ideal gases which is:

PV = nRT

Where:

P = Pressure (in atm)

V = Volume (In Liters)

n = moles

R = gas constant (this depends of the units; in this case is 0.082 L atm/K)

T = temperature (In K)

From the formula above, we can solve for n:

n = PV / RT

Let's convert first the temperature and volume to K and L respectively:

T = 67 + 273 = 340 K

V = 350 mL / 1000 = 0.35 L

Finally, let's put all the values in the formula above to solve for the value of n:

n = 0.9 * 0.35 / 0.082 * 340

n = 0.315 / 27.88

n = 0.011 moles

8 0
3 years ago
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