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Andreas93 [3]
3 years ago
10

Determine what ions are present when the following dissociates or ionizes in water. Include states of matter.

Chemistry
1 answer:
oksano4ka [1.4K]3 years ago
8 0

Answer:

Cation is hydrogen ion or proton

Anion is chloride ion

Explanation:

Arrhenius theory:-

The Arrhenius theory was introduced introduced by Swedish scientist named Svante Arrhenius in 1887.

According to the theory, acids are the substances which dissociate in the aqueous medium to produce electrically charged atoms ( may be molecule). Out of these species furnished, one must be a proton or the hydrogen ion, H^+.

Thus, HCl dissociate as:-

HCl\rightarrow H^++Cl^-

Thus, cation is hydrogen ion or proton

Anion is chloride ion

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Answer:

TRUE

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Explanation:

3 0
3 years ago
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6.(01.05 LC) Which states of matter change shape when moved?(2 points) Gases and solids Liquids and gases Liquids, solids, and g
Mrrafil [7]

Answer:Gases and solids , Solids and liquids​

Explanation:

A solid has a definite shape while liquids and gases take the shape of the container in which they are found .

Hence when a substance changes it's state from gas to solid or solid to liquid, it's shape automatically changes as explained above.

3 0
3 years ago
Which one of the following items does NOT characterize a reducing agent? a. A reducing agent loses electrons. b. A reducing agen
Ad libitum [116K]

Answer: D

Explanation:

A reducing agent is a species that reduces other compounds, and is thereby oxidized. The whole compound becomes the reducing agent. In other words, of a compound is oxidized, then they are the reducing agent. On the other hand, if the compound is reduced, it is an ozidizing agent.

Since we have established that a reducing agent is the compound being oxidized, we know that A is not our answer. An oxidized compound is losing electrons. Choice A states exactly this.

For B, this is true as we have established this already.

C is also correct. Since a reducing agent loses electrons, it becomes more positive. This makes the oxidation number increase.

D would be our correct answer. It is actually a good oxidizing agent is a metal in a high oxidation state, such as Mn⁷⁺.

4 0
3 years ago
What unit is known as hydronium ion ?
Amanda [17]
H30 are also known as hydroniums
6 0
3 years ago
Chemistry - 10 points
goldenfox [79]

Answer:

The answer to your question is the letter A) 277°K

Explanation:

Data

Temperature 4°C

Formula

There are 3 main units to measure temperature Celsius, Fahrenheit and Kelvin.

To convert °C to °K just add 273°K to the temperature in °C.

          °K = °C + 273

Substitution

          °K = 4 + 273

Simplification and result

          °K = 277°K

6 0
3 years ago
Read 2 more answers
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