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Lisa [10]
3 years ago
13

"Na2SO3” represents sodium sulfite.

Computers and Technology
2 answers:
STatiana [176]3 years ago
5 0
There are four atoms
Helen [10]3 years ago
5 0

Answer:

There are four molecules of sodium sulfate

Explanation:

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JAVA
Umnica [9.8K]

import java.util.Scanner;

public class JavaApplication58 {

   

   public static void main(String[] args) {

       Scanner scan = new Scanner(System.in);

       System.out.println("Enter a positive integer:");

       String num = scan.nextLine();

       for (int i = num.length()-1; i >=0; i--){

           System.out.println(num.charAt(i));

       }

       

   }

   

}

I hope this helps!

5 0
3 years ago
What features are offered by most of the email programs with for receiving and sending messages?
Varvara68 [4.7K]

Answer:

The main features of email is, (1) Attachment :Ability to attach the files along the messages is one of most useful features of email. (2)Address book: It is also most important features of email that allows a user to storing the information.

Explanation:

3 0
3 years ago
Early photographers take to work with what in order to produce photographs? (Btw this is photography, it just isn't a subject in
Kruka [31]
1, they used to use chemicals.
4 0
3 years ago
Consider an error-free 64 kbps satellite channel used to send 512 byte data frames in one direction, with very short acknowledge
Vladimir [108]

Answer:

The answer is "2".

Explanation:

In the given question some information is missing, that is "The propagation time for satellite to earth" which is "270 milliseconds" so, the description to this question can be defined as follows:

Given values:

Bandwidth = 64 kbps

Data frames = 512 bytes  

Propagation Time (t​​​​​​p ) =270 ms

Change Bandwidth  kbps to bps:

1 kb= 1024 bytes

calculated bandwidth= 64 kbps = 64×1024 bps = 65536 bps

1 bytes = 8 bits

512 bytes = 512 × 8 =  4096 bits

Frame length = 4096 bits

Formula

Transmission time (T​​​​​​t) = Frame length /Bandwidth

Window size = 1+2a

where a = Propagation time/Transmission time

Calculate Transmission time:

Transmission time (T​​​​​​t) = 4096 / 65536

Transmission time (T​​​​​​t)= 625 m.sec

Calculate Window size:

Window size = 1+2(270/625)

Window size = 1+2(0.432)

Window size = 1+0.864

Window size = 1.864

Window size = 2

3 0
3 years ago
When a person visits a web site, his or her ip address and the links he or she clicked on are automatically recorded. this is an
allochka39001 [22]
B. Invisible information gathering.
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3 years ago
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