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Evgen [1.6K]
3 years ago
12

What is the amount of mass in each given unit of volume?

Chemistry
1 answer:
labwork [276]3 years ago
3 0

Answer:

Each volumn is different and therefore has a specific and unique mass.

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Use the information below to explain why the atomic radius decreases down a group.
notsponge [240]

Answer:

Detail is given below

Explanation:

Atomic radii trend along group:

As we move down the group atomic radii increased with increase of atomic number. The addition of electron in next level cause the atomic radii to increased. The hold of nucleus on valance shell become weaker because of shielding of electrons thus size of atom increased.

As the size of atom increases the ionization energy from top to bottom also  decreases because it becomes easier to remove the electron because of less nuclear attraction and as more electrons are added the outer electrons becomes more shielded and away from nucleus.

In A we can see that there is one positive charge and force of attraction is 2.30×10⁻⁸ N and distance is 0.10 nm

In B we can see that negative charge is further away from nucleus because of greater distance thus force of attraction will be less. 0.58×10⁻⁸ N

In C this distance further increases and force also goes in decreasing 0.26×10⁻⁸ N.

3 0
3 years ago
And earthquake create a type of way that shakes the ground if a large earthquake occurs in Greece how can the waves be felt acro
Likurg_2 [28]
Earthquakes release seismic waves which can move along a sea.
3 0
3 years ago
Explain how muscles and bones work together to help bend the arm
vitfil [10]

Answer:

By contracting, muscles pull on bones and allow the body to move. ... For example, the biceps and triceps muscles work together to allow you to bend and straighten your elbow. When you want to bend your elbow, your biceps muscle contracts (Figure below), and, at the same time, the triceps muscle relaxes.

Explanation:

5 0
3 years ago
Read 2 more answers
What is the maximum amount of kcl that can dissolve in 200 g of water? (the solubility of kcl is 34 g/100 g h2o at 20°c.)?
Svetllana [295]
The correct answer is 68 g
hope this helps!!
8 0
3 years ago
Read 2 more answers
Write a c++ program that prints the intial letter of any name​
Masteriza [31]

Answer:

please mark as brainliest!!

Explanation:

// C++ program to print initials of a name  

#include <bits/stdc++.h>  

using namespace std;  

 

void printInitials(const string& name)  

{  

   if (name.length() == 0)  

       return;  

 

   // Since touuper() returns int, we do typecasting  

   cout << (char)toupper(name[0]);  

 

   // Traverse rest of the string and print the  

   // characters after spaces.  

   for (int i = 1; i < name.length() - 1; i++)  

       if (name[i] == ' ')  

           cout << " " << (char)toupper(name[i + 1]);  

}  

 

// Driver code  

int main()  

{  

   string name = "prabhat kumar singh";  

   printInitials(name);  

   return 0;  

}

6 0
3 years ago
Read 2 more answers
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