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neonofarm [45]
3 years ago
14

Compound: _________________ . Found in air; contains carbon (C) and oxygen (O)

Chemistry
2 answers:
DochEvi [55]3 years ago
8 0

Answer:

Explanation:

Contian power

babunello [35]3 years ago
5 0
Carbon monoxide is the compound found in air that contains carbon and oxygen
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A(n) ________ is a dynamic sub-organization that can be created and eliminated depending on need
blsea [12.9K]

A(n) Business Unit is a dynamic sub-organization that can be created and eliminated depending on need.

<h3>What is Business Unit?</h3>

Business unit is when the company wants its sales in a segmented way. This market offer, or it can be, for example, business area, segment line, market performance cases.

This strategy consists of the form adopted by many companies that divide their activities into independent business units, with different results, strategies and managers.

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6 0
2 years ago
Which atomic model describes the atom as a nucleus surrounded by electrons that travel as waves in the electron cloud? (4 points
sveta [45]
The answer to this is The current atomic model.
6 0
3 years ago
Mercury can be obtained by reacting mercury(II) sulfide with
givi [52]

Answer:

111.68 g

Explanation:

Given data:

Mass of HgS needed = ?

Mass of CaS produced = 26.0 g

Solution:

Chemical equation;

4HgS + 4CaO  →     4Hg + 3CaS + CaSO₄

Number of moles of CaS:

Number of moles = mass/molar mass

Number of moles = 26 g/ 72.143 g/mol

Number of moles = 0.36 mol

Now we will compare the moles of HgS with CaS.

                 CaS             :             HgS

                   3                :               4

                   0.36           :              4/3×0.36 = 0.48 mol

Mass of HgS:

Mass = number of moles × molar mass

Mass = 0.48 mol × 232.66 g/mol

Mass = 111.68 g

6 0
3 years ago
How many neutrons are in an atom with atomic number of 53 and mass number of 127?
asambeis [7]
Atomic number = 127 – 53=74 neutrons
8 0
3 years ago
HELPP!!!!!
Inessa [10]

Answer:

The solution turns purple because ammonia is a base.

The solution turned red.

Ammonia gas is neutral, but ammonia solution ( ammonium hydroxide ) is a base.

Adding vinegar to ammonia suppresses its dissociation hence decrease in hydroxyl ion concentration.

If more ammonia is added to the solution, the pink color re-appears.

5 0
3 years ago
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