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Rzqust [24]
3 years ago
10

Help this question is super hard!!

Chemistry
2 answers:
4vir4ik [10]3 years ago
6 0

Answer:

All of them can but h2o will be the weakest because the bonds in it are very weak and it has a low base/acid value

melomori [17]3 years ago
4 0

Answer:

They all can, but  HCl would be the strongest conductors because they are strong acids/bases, meaning their ions dissociate at a faster rate in aqueous solution.

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Help please, please,please. ....​
Vaselesa [24]

Answer:

the answer is nitrogen

Explanation:

u can right this for explain your answer-

( nitrogen is unreactive

nitrogen doesn't support burning )

orrrrr

(contains no oxygen

all the other jars contain oxygen)

3 0
3 years ago
How will the number of neutrons in an atom impact its stability?
astraxan [27]
                                                                                                                                    <span>Neutrons emit residual strong force without electric charge. This is why they have a stabilization effect. It is an interplay between the two particles which stabilize the nucleus.</span>   so the neutrons play a big role in the stability process.                 
6 0
3 years ago
To determine the concentration of SO4 2– ion in a sample of groundwater, 100.0 mL of the sample is titrated with 0.0250 M Ba(NO3
Brrunno [24]

Answer:

1.87x10⁻³ M SO₄²⁻

Explanation:

The reaction of SO₄²⁻ with Ba²⁺ (From Ba(NO₃)₂) is:

SO₄²⁻(aq) + Ba²⁺(aq) → BaSO₄(s)

<em>Where 1 mole of  SO₄²⁻ reacts per mole of Ba²⁺</em>

<em />

To reach the end point in this titration, we need to add the same moles of Ba²⁺ that the moles that are of SO₄²⁻.

Thus, to find molarity of SO₄²⁻ we need to find first the moles of Ba²⁺ added (That will be the same of SO₄²⁻). And as the volume of the initial sample was 100mL we can find molarity (As ratio of moles of SO₄²⁻ per liter of solution).

<em>Moles Ba²⁺:</em>

7.48mL = 7.48x10⁻³L ₓ (0.0250moles / L) = 1.87x10⁻⁴ moles of Ba²⁺ = Moles of SO₄²⁻

<em>Molarity SO₄²⁻:</em>

As there are 1.87x10⁻⁴ moles of SO₄²⁻ in 100mL = 0.1L, molarity is:

1.87x10⁻⁴ moles of SO₄²⁻ / 0.1L =

<h3> 1.87x10⁻³ M SO₄²⁻</h3>
8 0
3 years ago
Which example best describes a reflex action?
Pepsi [2]
I think the answer would be b because your throat is reacting to the cough?
6 0
3 years ago
What is atoms in your own words
san4es73 [151]

Atom is the smallest indivisible particle of matter.

6 0
3 years ago
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