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katovenus [111]
2 years ago
15

Que materias o asignaturas disciplinarias consideras que están

Chemistry
1 answer:
zalisa [80]2 years ago
5 0

Las áreas temáticas que pueden estar involucradas en el cuidado del agua son;

Biología

Química

Geología

oceanografía

Geografía

Conservar y compartir es una parte integral de la ciencia ambiental. La ciencia ambiental en sí misma es multidisciplinaria.

Varias áreas temáticas deben estar involucradas en la conservación del medio ambiente.

Estas áreas temáticas incluyen;

Biología

Química

Geología

oceanografía

Geografía

Aprende más: brainly.com/question/10929764

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Marianna [84]

Answer:

DNA is a vital for all living beings even plants.

Explanation:

It is important for inheritance, coding for proteins and the genitic instruction guide for life and its processes. DNA holds the instruction for an organisms or each cells development and reproduction and ultimately death.

5 0
3 years ago
How many atoms are in 32grams of sulfwr
nadezda [96]

Answer:

which is 6160.506

Explanation:

32 grams of sulfur will contain 6.022 X 1023 sulfur atoms

4 0
3 years ago
What mass of zinc is needed to react with 23.1 g of phrosphoric acid according tot he equation?
Hitman42 [59]

<u>Complete Question:</u>

what mass of zinc is needed to react with 23.1 g of phosphoric acid according tot he equation?

3 Zn + 2 H₃PO₄ = 3 H₂ + Zn₃(PO₄)₂

<u>Answer:</u>

22.98 g, the mass of zinc (Zn) is needed to react with 23.1 g of phosphoric acid according to the given equation.

<u>Explanation:</u>

Given chemical reaction:

           3 Zn + 2 H₃PO₄ = 3 H₂ + Zn₃(PO₄)₂

If the substance’ molecular weight is the number of grams required per mole, the number of moles expressed as a given quantity of substances shall correspond to the grams of that substance divided by the molecular weight. Hence,

              \text {number of moles}=\frac{\text {mass}}{\text {molar weight}}

To find no. of moles of phosphoric acid:

Given:

mass of phosphoric acid = 23.1 g

molar weight of of phosphoric acid = 97.994 = 98 g/mole

Therefore,

no. of moles of phosphoric acid =\frac{23.1}{98}=0.2357 \text { moles }

Look into the given chemical reaction and divide as the following:

If 2 moles of H₃PO₄ reacts with 3 moles of Zn then 0.2357 moles of H₃PO₄ reacts with X moles of Zn. Then,

   \text { X moles of } \mathrm{Zn}=\frac{(0.2357 \times 3)}{2}=\frac{0.707}{2}=0.3535 \text { moles of } \mathrm{Zn}

Now, calculate mass of zinc as follows, we know

molar mass of zinc is 65 g/mol

 mass\ of\ zinc = number\ of\ moles \times molar\ weight =0.3535 \times 65

Mass of zinc = 22.98 g

7 0
3 years ago
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\huge{ \mathrm{  \underline{ Answer }}}\:  \:  ✓

D. Areas of high pressure to areas of low pressure.

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2 years ago
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