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Gwar [14]
4 years ago
11

Can someone help me please

Chemistry
2 answers:
mrs_skeptik [129]4 years ago
8 0

Answer: ITS THE 3rd one

Explanation:

It’s hard to give it an explanation because i looked it up and saw that same picture with the answer

makvit [3.9K]4 years ago
3 0

the answer is...

x:yes

y:coins

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Write the chemical reaction for the ammonium ion in water, whose equilibrium constant is ka. include the physical states for eac
lisabon 2012 [21]
The chemical reaction for the ammonium ion in water is:

NH4+(aq) + H2O(l) ----> H3O+ (aq) + NH3 (aq)  Ka = <span>5.60x10^-10

The ammonium ion NH4+ in aqueous form reacts with liquid water forming hydronium ion (aqueous) and aqueous ammonia, with a Ka of 5.60x10^-10.</span>
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3 years ago
What is the best answer to report for ?
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The best answer to report  is 2.900 g/ml (answer A)

explanation

The best answer to  report   must be in four significant figures. 2.900 g/ml is therefore the best answer to report since in is in four significant. zeros placed after other digits but behind a decimal point are significant figures.,theerfore 2.900 has four significant figures

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The western coast of the United States has been increasing in size for millions of years.
fredd [130]

Answer:

accretion at convergent boundaries

Explanation:

8 0
3 years ago
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Solid iron is mixed with a solution of copper (I) nitrate to form iron (III) nitrate solution and metal copper. (what is the equ
DedPeter [7]

Answer:

Fe + 3CuNO₃ → Fe(NO₃)₃ + 3Cu

Explanation:

  • Solid Iron = Fe
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  • Iron (III) nitrate = Fe(NO₃)₃ (That way the compound has an overall neutral charge)
  • Metal Copper = Cu

Writing the equation using symbols leaves us with:

  • Fe + CuNO₃ → Fe(NO₃)₃ + Cu

<em>It is not balanced yet</em>. Now we <u>balance the NO₃ species on the left side</u>:

  • Fe + 3CuNO₃ → Fe(NO₃)₃ + Cu

Finally we<u> balance the Cu species on the right side</u>:

  • Fe + 3CuNO₃ → Fe(NO₃)₃ + 3Cu
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Which two elements are combined in sodium chloride
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Answer:

Sodium (Na) and Chlorine (CI)

Explanation:

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