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ivanzaharov [21]
3 years ago
10

Considering the activity series given for nonmetals, what is the result of the below reaction? Use the activity series provided.

F > Cl > Br > I Br2 NaF Right arrow. no reaction Na FBr2 NaBr F2 Na2F Br2
SAT
1 answer:
Alina [70]3 years ago
3 0

The activity series shows the order of reactivity of elements. The reaction  Br2 + NaF -----> does not occur because bromine is less than fluorine in the activity series.

The activity series shows the order of reactivity of elements. The elements that are higher in the activity series will displace the elements that are lower in the activity series.

The activity series of halogens is shown as; F > Cl > Br > I. Let us consider the reaction;  Br2 + NaF ----->

We can see that bromine is less than fluorine in the activity series hence there will be no reaction because bromine can not not displace fluorine.

Learn more: brainly.com/question/4612545

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There are 23 countries in North America, 12 countries in South America, 47 countries in Europe, 44 countries in Asia, 54 countri
natta225 [31]

The probability for each event follows below:

P(A)= 0.23

P(E)= 0.24

P(F)= 0.28

P(N)= 0.12

P(O)= 0.07

P(S)= 0.06

<h3>Probability</h3>

Probability can be defined as the possibility that an event will occur. For an event, the probability can be found from the ratio between the number of favorable outcomes for the event and the total number of outcomes.  Values of probability vary between 0 and 1.

A probability for an event is represented by P(A), P(B), etc. And exactly this that question asks for you.

1. Arrange the text of the question

       North America=23 countries

       South America= 12 countries

       Europe=  47 countries

       Asia= 44 countries

      Africa =54 countries

      Oceania= 14 countries

2. Find the total of countries

N_{total}=23+12+47+44+54+14=194

3. Find P(A)

A= the event that a country is in Asia= 44 countries. Therefore,

P(A)=\frac{numberofcountries of Asia}{Total number of countries } \\ \\ P(A)=\frac{44}{194} =0.23\\ \\ P(A)=0.23

4. Find P(E)

E= the event that a country is in Europe= 47 countries. Therefore,

P(E)=\frac{numberofcountries of Europe}{Total number of countries } \\ \\ P(E)=\frac{47}{194} =0.24\\ \\ P(E)=0.24

5. Find P(F)

F= the event that a country is in Africa= 54 countries. Therefore,

P(F)=\frac{numberofcountries of Africa}{Total number of countries } \\ \\ P(F)=\frac{54}{194} =0.28\\ \\ P(F)=0.28

6. Find P(N)

N= the event that a country is in North America= 23 countries. Therefore,

P(N)=\frac{numberofcountries of North America}{Total number of countries } \\ \\ P(N)=\frac{23}{194} =0.12\\ \\ P(N)=0.12

7. Find P(O)

O= the event that a country is in Oceania= 14 countries. Therefore,

P(O)=\frac{numberofcountries of Oceania}{Total number of countries } \\ \\ P(O)=\frac{14}{194} =0.07\\ \\ P(O)=0.07

8. Find P(S)

S= the event that a country is in South America= 12 countries. Therefore,

P(S)=\frac{numberofcountries of South America}{Total number of countries } \\ \\ P(S)=\frac{12}{194} =0.06\\ \\ P(S)=0.06

Learn more about probability here:

brainly.com/question/19916581

7 0
2 years ago
What is the median of these data? 48, 60, 22, 84, 36.
Setler [38]

Answer:

48

Explanation:

You just put the numbers in order from least to greatest and its the middle one. if there's an even amount of numbers, you add the middle two and divide by 2

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Which of the following might be requested on a typical job application?
Neko [114]

Answer:

D. Graduation date

Explanation:

Some <em>job applications</em> ask for the date you graduated high school or college, although it tends to raise questions about <em>why the company would ask such a thing in the first place</em>.

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Which of these is nearest in meaning to the word presume as it is used in the passage above.
Jlenok [28]

I do not have the passage, but here are the meanings that the word presume can have:

  • to assume something to be true without really knowing if it is true or not.
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If you want to understand the meaning of a word in the context of a passage, it is important to read the whole text so you can identify what the word specifically means in that passage.

Check similar exercises about finding the meaning of a word here brainly.com/question/10853033?referrer=searchResults

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A square has an apothem measuring 2.5 cm and a perimeter of 20 cm. what is the area of the square, rounded to the nearest square
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Answer:

B. 25 cm2

Explanation:

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