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zaharov [31]
3 years ago
12

When table salt (NaCl) is added to water, it lowers the freezing point is more salt is added, the freezing point decreases even

Chemistry
1 answer:
AleksAgata [21]3 years ago
7 0
The answer to the question is B
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Assign the oxidation state for all the atoms:<br><br>As2O3<br><br>Show work
Sonja [21]

<u>Answer:</u> Oxidation state of Arsenic in the given compound is +3 and that of oxygen is -2.

<u>Explanation:</u>

We are given a compound having formula As_2O_3 and we need to find the oxidation state of all the atoms in this compound. There are 2 different atoms present in this : Arsenic and Oxygen

Oxidation state is the number which is assigned to an element in a compound which represents the number of electrons lost or gained by an atom in a compound.

Oxidation state of oxygen as -2 which is same always. Now, to calculate the oxidation state of Arsenic, we take the oxidation state of it be 'x'

As, there are two arsenic atoms and three oxygen atoms, then:

\Rightarrow 2(x)+3(-2)=0\\\Rightarrow 2x-6=0\\\Rightarrow x=+3

Hence, oxidation state of Arsenic in the given compound is +3 and that of oxygen is -2.

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4 years ago
In the solubility lab, sugar was the _____________ and water was the _______________.
Rasek [7]

In a homogenous mixture, sugar was the solute and water was the solvent. Solubility is the maximum amount of a solute that dissolves in a given amount of solvent at a constant temperature. Solutes are more soluble in a given solvent at higher temperatures. Therefore, when temperature increases, the solubility of the solute also increases.

<span>Moreover, the solubility of the substance ranges from infinitely soluble such as alcohol in water, to poorly soluble like silver chloride in water and the species that dissolves, the solute, can be another liquid, gas or a solid.</span>

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3 years ago
What kind of reaction is CO2=C+O2
arlik [135]

Answer:

chemical decomposition

Explanation:

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A change in the identity of a substance where a new substance is formed
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Which of the following is an isoelctronic series
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Sir cn you tell me that can we use this formula
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