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3 years ago

Aluminum reacts with hydrochloric acid according to the equation:

Chemistry

1 answer:

s344n2d4d5 [400]3 years ago

8 0

Answer:

I think it is aluminombecause it just makes sense

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What does a chemical reaction always produce?

KengaRu [80]

C) a chemical change.
Chemical reactions will always convert a certain chemical(s) into one or more products.

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4 years ago

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The net ionic equation for the reaction of aqueous iron(|||) ions and aqueous hydroxide ions.

Mars2501 [29]

down then up to add to the power of it.

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4 years ago

Write the nuclide notation, including charge if applicable, for atoms with the following characteristics:

iogann1982 [59]

Answer:

A. 25Mn45^+

B. 45Rh69^+2

C. 53I142^-

D. 97Bk^243

Explanation:

Generally Atomic mass (A)= no of protons (p) + no of neutrons (n)

No of Neutrons (n)=A-p

No of protons = Atomic number

Symbol for nulclide: zX^A

Z is Atomic number, A is Atomic mass

And X is symbol of element

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3 years ago

Which compound contains both covalent and ionic bonds kcl nh4cl mgcl2 ccl4

Vedmedyk [2.9K]

The answer is NH4Cl!
Ionic bonding=cation + anion
- the cation ammonium (NH4) has a single electron in its valence shell, and Chlorine needs a single electron to fill its valence shell, and they stick together.
Covalent bond= involves the sharing of electron pairs between atoms
- present in Ammonium ion between Nitrogen and Hydrogen atoms

3 0

4 years ago

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What is the pOH of a 3.0 x10-3 M NaOH solution?<br> pOH =

kodGreya [7K]

Answer:

2.5

Explanation:

From the question given above, the following data were obtained:

Molarity of NaOH = 3.0x10¯³ M

pOH =?

Next, we shall determine the concentration of the hydroxide ion in the solution. This can be obtained as follow:

NaOH (aq) —> Na⁺ (aq) + OH¯ (aq)

From the balanced equation above,

1 mole of NaOH produced 1 mole of OH¯.

Therefore, 3.0x10¯³ M NaOH will also produce 3.0x10¯³ M OH¯.

Finally, we shall determine the pOH of the solution. This can be obtained as illustrated below:

Concentration of hydroxide ion [OH¯] = 3.0x10¯³ M

pOH =?

pOH = – Log [OH¯]

pOH = – Log 3.0x10¯³

pOH = 2.5

Thus, the pOH of the solution is 2.5

4 0

3 years ago