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Stella [2.4K]
3 years ago
15

This beaker contains an aqueous solution of copper II nitrate.

Chemistry
1 answer:
alexgriva [62]3 years ago
8 0

Answer:

See the answer below

Explanation:

<em>Aqueous solution of copper II nitrate contains solute of copper II nitrate dissolved in water</em>. The equation for the reaction is as below:

Cu(NO_3)_2 (s) + H_2O (l) --> Cu(NO_3)_2 (aq)

Hence, the solute chemical is copper II nitrate while the solvent is water.

Chemical formula of copper II nitrate - Cu(NO_3)_2

Chemical formula of water - H_2O

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Vsevolod [243]

Answer:

11,000 cm

Explanation:

Step 1: Given data

Width of the field (w): 17 meters

Length of the field (l): 38 meters

Step 2: Calculate the perimeter of the field

The field is a rectangle. We can find its perimeter (P) by adding its sides.

P = 2 × w + 2 × l = 2 × 17 m + 2 × 38 m = 110 m

Step 3: Convert the perimeter to centimeters

We will use the relationship 1 m = 100 cm.

110 m × (100 cm/1 m) = 11,000 cm

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3 years ago
A compound is broken down by chemical means during
alexandr1967 [171]

Answer : Option 3) Electrolysis.


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Rest all options does not involves chemical decomposition of the compound.


Chromatography is a technique where rates of solute and solvent are compared in a medium where the solute components move at different rates and the separation is obtained.


Distillation simply purifies the liquid or solution by heating or cooling process.


Filtration just involves removal of impurities by using a more porous material device to get purified compound.

6 0
3 years ago
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Based on location in the periodic table, which element has chemical properties that are most similar to iodine
Ymorist [56]

Based on location in the periodic table, fluorine (F) has chemical properties that are most similar to iodine.

In the periodic table, elements are classified in groups and periods. The elements in the same group are chemically similar and they have the same number of valence electrons. Elements in the same period have the same highest energy level.

Hence, when looking for an element that is most chemically similar to iodine, we have to consider the element that is in the same group with iodine.

Both fluorine are iodine are both in group 17 hence, fluorine is most chemically similar to iodine.

Learn more: brainly.com/question/11155928

3 0
3 years ago
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Which is the molar mass of H2O?
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H=(2x1.008)=2.016
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15.999
+ 2.016
______
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3 0
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Answer:

c

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when the river is affected by the acid rain many species go into extinction

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