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strojnjashka [21]
3 years ago
6

Help plzzzz only the answer

Chemistry
1 answer:
zloy xaker [14]3 years ago
3 0
(c) the color turns deep dark and then at certain level, it turns back to light green.
  (d)fastest.
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457cg converted into dg
grigory [225]
1 cg ---------- 0.1 dg
457 cg ------- ?

457 x 0.1 / 1

= 45.7 dg
8 0
3 years ago
Write down any two causes of water pollution​
raketka [301]

Explanation:

hope it is helpful to you

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Which of the following best defines climate)_( Short-term atmospheric conditions of a region Ob The weather pattern of an area o
Marina86 [1]

Answer:

Average weather conditions of a region over the long term

Explanation:

Climate is the long-term average of weather, typically averaged over a period of 30 years. More rigorously, it denotes the mean and variability of meteorological variables over a time spanning from months to millions of years.

4 0
3 years ago
Which of the following elements has the lowest first ionization energy?
Tanya [424]

Answer:

(Sc)

Explanation:

7 0
4 years ago
Read 2 more answers
Classify each of the following as a Strong acid (sa) or a Weak acid (wa) and indicate how each should be written in aqueous solu
bazaltina [42]

Answer:

1. wa. Molecular form.

2. wa. Molecular form.

3. sa. Ionic form.

Explanation:

1. hydrocyanic acid

HCN is a weak acid. That means that in the following equilibrium, the molecular form (HCN(aq)) is favored, and that's how it should be written in solution.

HCN(aq) ⇄ H⁺(aq) + CN⁻(aq)

2. hypochlorous acid

HClO is a weak acid. That means that in the following equilibrium, the molecular form (HClO(aq)) is favored, and that's how it should be written in solution.

HClO(aq) ⇄ H⁺(aq) + ClO⁻(aq)

3. hydrochloric acid

HCl is a strong acid. That means that it completely dissociates and it should be written in the ionic form (H⁺(aq) + Cl⁻(aq)) when it is in solution.

HCl(aq) → H⁺(aq) + Cl⁻(aq)

3 0
3 years ago
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