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erastovalidia [21]
3 years ago
12

What type of elements are found in the polyatomic ions?

Chemistry
1 answer:
grigory [225]3 years ago
8 0
Polyatomic ions are compound bonds of metal, therefore they are metal.

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How many pili are in a bacterial cell
Snowcat [4.5K]

Answer: Bacterial species where observed Typical number on cell Distribution on cell surface

Escherichia coli (common pili or Type 1 fimbriae) 100-200 uniform

Neisseria gonorrhoeae 100-200 uniform

Streptococcus pyogenes (fimbriae plus the M-protein) ? uniform

Pseudomonas aeruginosa 10-20 polar

Explanation:

Pili are structures that extend from the surface of some bacterial cells.

These are hollow, non-helical, filamentous appendages.

Hope it helps you

7 0
3 years ago
The sun rotates on it axis once every:<br><br> 28 hours<br> 120 days<br> 25 days 9 hours
olganol [36]

Answer:

Itś about 27 days so just pick 28!

Explanation:

Hope this helped!

8 0
3 years ago
Ammonia (NH3) reacts with oxygen (O2) to produce nitrogen monoxide (NO) and water (H2O). Write and balance the chemical equation
bekas [8.4K]

Answer:

There is 1.6 L of NO produced.

Explanation:

I assume you have an excess of NH3 so that O2 is the limiting reagent.

<u>Step 1:</u> Data given

2.0 liters of oxygen reacts with ammonia

<u>Step 2:</u> The balanced equation

4NH3 + 5O2 → 4NO + 6H2O

For 4 moles of NH3, we need 5 moles of O2 to produce 4 moles of NO and 6 moles of H2O

Consider all gases are kept under the same conditions for pressure and temperature, we can express this mole ratio in terms of the volumes occupied by each gas.

This means:  when the reaction consumes  4  liters of ammonia (and 5 liters of oxygen) it produces  4  liters of nitrogen  monoxide

Now, when there is 2.0 liters of oxygen consumed, there is 4/2.5 = 1.6 L of nitrogen monoxide produced.

There is 1.6 L of NO produced.

4 0
4 years ago
Which is not one of the parts of the cell theory.
alekssr [168]

Answer:

Pretty sure the answer is d) cells come from nonliving objects

Explanation:

i just think i remember xd

7 0
3 years ago
Which pair of substances would most likely result in the production of a solid when reacting with a base?
Grace [21]
<span>soluble metal salt and carbon dioxide 
if that is an option for you</span>
8 0
4 years ago
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