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Rama09 [41]
3 years ago
13

I’m stuck on number 2

Chemistry
2 answers:
Vlad1618 [11]3 years ago
7 0
H3PO4 + KOH = K3PO4 + H2O
andreyandreev [35.5K]3 years ago
3 0
I Can’t see the picture
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Un gas a una temperatura de 38°C, tienen un volumen de 21 Lts Litros. ¿Qué volumen tendrá si la temperatura sube a 67°C?.
djverab [1.8K]

Answer:

. ¿Qué

Explanation:

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3 0
3 years ago
What is chemical and physical properties?<br> !
Scilla [17]

Answer:

Physical property: Any characteristic that can be determined without changing the substance's chemical identity. Chemical property: Any characteristic that can be determined only by changing a substance's molecular structure.

Explanation:

Physical properties are something that is reverseable or has no change visible. Chemical properties are something that is NOT reverseable.

Chemical: Gas forming or Color Changing. (ETC.)

7 0
3 years ago
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3. I bought 4 quarts of milk at the<br> store. How mariy mL is that?
dangina [55]

3785.41 milliliters

6 0
3 years ago
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How many atoms are in 0.625 moles of ge (atomic mass = 72.59 amu)?
lord [1]
0.625 moles of ge X 6.02x10^23 atoms/ 1 mol of ge equal to 3.76x10^23 atoms of ge, just times with Avogadro.
8 0
3 years ago
Read 2 more answers
What is the radius of a hydrogen atom whose electron is bound by 0.544 ev? express your answer with the appropriate units?
insens350 [35]
First, we need to calculate the principal quantum number n for this electron, using the equation:
E = (-13.60 eV) / (n x n)
where E is the energy that is used to bound the electron (here, E = - 0.544 eV).
- 0.544 eV = (-13.60 eV) / (n x n)
n x n = (- 13.60 eV) / (- 0.544 eV)
n x n = 25
n = 5

The orbital radius that is equal to the radius of a hydrogen atom is calculated using the equation:
r = 0.053 nm x n x n
r = 0.053 nm x 5 x 5
r = 0.053 nm x 25
r = 1.325 nm
6 0
3 years ago
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