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stira [4]
3 years ago
6

Who got a wap ? I'll mark BRAINLIEST ​

Chemistry
2 answers:
Eva8 [605]3 years ago
7 0

Explanation:

ohh

this is song

hope this is right

i lesten monster

what if i

Radda [10]3 years ago
4 0

Answer:

okay

Explanation:

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Study the following two reactions. Select all that apply.
NISA [10]
Its B and D
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7 0
3 years ago
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¿Aproximadamente para que año Aristóteles mencionó la teoría de los 4 elementos?
Tema [17]

Answer: 450 BC

Explanation:

3 0
4 years ago
State of matter
Nina [5.8K]

Answer:

H₂

Explanation:

To solve this question we must find, as first, find the molar mass of the homonuclear diatomic gas using Graham's law. With the molar mass we can identify this gas

<em>Graham's law:</em>

\frac{V_a}{V_b} =\sqrt{\frac{m_B}{m_A} }

<em>Where V is the speed of the gases and m the molar mass of those:</em>

<em>As Va is 3.98 times Vb (And mB is molar mass of oxygen gas = 32g/mol)</em>

3.98 =\sqrt{\frac{32g/mol}{m_A} }

15.84 = 32g/mol / mA

mA = 2.02g/mol

As is a homonuclear diatomic gas, the molar mass of the atom is 1.01g/mol. Thus, the gas is:

<h3>H₂</h3>
4 0
3 years ago
If you were to react 4.3 miles of magnesium phosphide how many moles of potassium would you need?
bixtya [17]

Answer:

25.8

Explanation:

Let's write the reaction between magnesium-phosphide and potassium:

Mg3P2 + K = Mg + K3P

And now let's balance this equation:

Mg3P2+6K=3Mg+2K3P

We see that the ratio of magnesium-phosphide and potassium is 1:6, which means that for every mole of magnesium-phosphide there need to be 6 moles of potassium.

Since we have 4.3 moles of Mg3P2, there need to be 6 • 4.3 = 25.8 moles of potassium.

5 0
3 years ago
The neutron is located in the what part of the atom
torisob [31]

Answer:

in the middle

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4 0
4 years ago
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