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Romashka [77]
2 years ago
12

How many electrons, protons, and neutrons are contained in the 17o?

Chemistry
1 answer:
Amanda [17]2 years ago
5 0
The Atomic Number and Atomic Mass of ¹⁷O are 8 and 17 respectively.

Atomic Number:
                         Atomic Number of Element is the Number of Protons contained by the Element. So, there are 8 Protons in ¹⁷O.

Atomic Mass:
                     Atomic Mass of Element is the total number of Protons and Neutrons present in the Nucleus of that element.
So,
                    Atomic Mass  =  # of Protons + # of Neutrons

As the Atomic mass of ¹⁷O is 17 and it has 8 protons, So # of Neutrons are calculated as,

                     # of Neutrons  =  Atomic Mass - # of Protons

                     # of Neutrons  =  17 - 8

                     # of Neutrons  =  9
And,
As there is no charge on ¹⁷O, so the number of Electrons and Protons are equal. i.e.
                     # of Electrons  =  8

Result:
             
In ¹⁷O Number of Neutrons are 9, Number of Protons are 8 and Number of Electrons are 8.
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diagram 1 above shows equimolar samples of two gases inside a container fitted with a removable barrier placed so that each gas
vampirchik [111]

This problem is describing the state two gases have when separated and together as shown on the attached picture. First of all, diagram 1 shows how they are separated in two containers with apparently equal volumes, whereas diagram 2 shows the removal of the barrier so that they get mixed together.

In this case, we can analyze that each gas has its own pressure and due to the removal of the barrier, both pressure and volume undergo a change. Thus, we can infer that the final volume is doubled with respected to the initial one for each gas, causing the pressure of each gas to be halved and the total pressure the half of the added ones, in agreement to the Boyle's law (inversely proportional relationship between pressure and temperature).

Therefore, the correct choice is:

C. The partial pressure of each gas in the mixture is half its initial pressure; the final total pressure is half the sum of the initial pressures of the two gases.

Learn more:

  • brainly.com/question/21184611

8 0
3 years ago
Which of the following aqueous solutions has the highest boiling point?A. 1.25 M Ca(NO3)2B. 1.25 M KNO3C. 1.25 M CH3OHD. 2.50 M
Drupady [299]

Answer:

Ca(NO3)2 has the highest boiling point ( option A)

Explanation:

Step 1: Data given

A. 1.25 M Ca(NO3)2

B. 1.25 M KNO3

C. 1.25 M CH3OH

D. 2.50 M C6H12O6

Step 2: Calculate highest boiling point

The boiling point depends on the van't Hoff factor

This shows the particles produced when the substance is dissolved. For non-electrolytes dissolved in water, the van' t Hoff factor is 1.

Ca(NO3)2 → Ca^2+ + 2NO3- → Van't Hoff factor = 3

KNO3 → K+ + NO3- → Van't Hoff factor = 2

CH3OH is a non-elektrolyte → Van't Hoff factor = 1

C6H12O6 is a non-elektrolyte → Van't Hoff factor = 1

Ca(NO3)2 has the highest boiling point

5 0
3 years ago
Help. If an element has a charge of 4+, how many more protons does it have than electrons?
Andreyy89
Charge = Number of Protons - Number of Electrons = 4

So, Your Answer would be: 4

Hope this helps!
8 0
2 years ago
The minimum amount of energy needed to get a chemical reaction started is called the ___ energy.
VashaNatasha [74]
<span>The minimum amount of energy needed to get a chemical reaction started is called the activation energy. </span>
6 0
2 years ago
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If you have 12 atoms of hydrogen before a chemical reaction, how many atoms of hydrogen will be present
soldi70 [24.7K]

Answer:

《HOPE IT WILL HELP YOU 》

Explanation:

I think the present atom of hydrogen will 1

6 0
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