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I am Lyosha [343]
3 years ago
9

Can anyone teach me how to do acid and base? (chemistry)

Chemistry
2 answers:
NARA [144]3 years ago
3 0
Acids have a PH level of 6 or lower
Bases have a PH of 8 or higher
PH 7 is neutral
elena55 [62]3 years ago
3 0
For the topic of conjugate acids and bases you know that the if you have an acid (sometimes labeled as HA), its conjugate base is HA minus one H⁺ ion (sometimes called a proton).  The conjugate base of HCl is Cl₋, the conjugate base of H₂SO₄ is HSO₄⁻, the conjugate base of CH₃COOH is CH₃COO⁻, and so on.  To find the conjugate acid of a base, you have to reverse that process.  The conjugate acid of HCO₃⁻ is H₂CO₃, the conjugate acid of NH₃ is NH₄⁺, the conjugate acid of PO₄³⁻ is HPO₄²⁻, and so on.  

examples:
HCl+H₂O⇒H₃O⁺+Cl⁻
acid=HCl, base=H₂O, conjugate base=Cl⁻, and conjugate acid=H₃O⁺

NH₃+H₂O⇒NH₄⁺+OH⁻
acid=H₂O, base=NH₃, conjugate base=OH⁻, and conjugate acid=NH₄⁺

I hope this helps.  Let me know if anything is unclear or you want me to explain anything further.
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85% of what number is 17? EXPLAIN
vitfil [10]

Answer:

85% of 20 is 17

Explanation:

You can multiply 85% and 20 or subtract 85% from 20.

5 0
3 years ago
2H2 +O2 = 2H2O balance equation with 5 oxygen
Ivenika [448]

10H₂    +   5O₂ →    10H₂O

Explanation:

This problem deals with balancing of chemical equations. In balancing chemical equations, the law of conservation of mass must be followed. This states that:

   "In a chemical reaction, matter is neither created nor destroyed but transformed from one form to another".

This meaning of this is that; the number of atoms on each side of the expression must be the same.

                    2H₂    +   O₂ →    2H₂O

let us check is the equation above is balanced;

   

                                      2H₂    +   O₂ →    2H₂O

Elements             reactant                product

H                                  4                           4

O                                   2                           2

We can see vividly that the equation is balanced;

Now; if we have 5 oxygen gas, we multiply the equation through by 5:

 

                                 5 x          (  2H₂    +   O₂ →    2H₂O   )

     ⇒        10H₂    +   5O₂ →    10H₂O

Elements             reactant                product

H                                  20                       20

O                                  10                        10

learn more:

Balanced equation brainly.com/question/11102790

#learnwithBrainly

5 0
3 years ago
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steposvetlana [31]

Answer: 1.4x10-3 g N2O4

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9.2x10^18 molecules N2O4 x 1 mole N2O4 / 6.022x10²³ molecules N2O4

= 1.53x10-5 moles N2O4

1.53x10-5 moles N2O4 x 92 g N2O4/ 1 mole N2O4

= 1.4x10-3 g N2O4

4 0
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Ratling [72]
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3. Rationality- he does not believe in superstitions and think that everything has a scientific explanation 
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6. Objectivity-<span> he writes accurate results 

Hope This Helped :D</span>
8 0
3 years ago
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insens350 [35]

Answer:

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