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Lunna [17]
3 years ago
13

How many hours are in 25 years?

Chemistry
2 answers:
Rzqust [24]3 years ago
7 0

<em>t</em><em>h</em><em>e</em><em>r</em><em>e</em><em> </em><em>are</em><em> </em><em>219000 hours</em><em> </em><em>in</em><em> </em><em>25</em><em> </em><em>years</em><em>.</em><em /><em>✌</em><em />

Annette [7]3 years ago
6 0
There are *219,000* hours in 25 years
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You mix 145 grams of water with 200 grams of ethanol to make a solution. What is the solute and what is the solvent?
hodyreva [135]

The greater amount is the solvent and the lesser amount is the solute.

Hence ethanol(200g) which is the greater amount is the solvent here.

And water (145g) which is lesser is the solute here.

7 0
3 years ago
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
A sample initially contains 8.0 moles of a radioactive isotope. How much of the sample remains after four half-lives? Express yo
Tju [1.3M]

Answer:

0.50 mol

Explanation:

The half-life is <em>the time required for the amount of a radioactive isotope to decay to half that amount</em>.

Initially, there are 8.0 moles.

  • After 1 half-life, there remain 1/2 × 8.0 mol = 4.0 mol.
  • After 2 half-lives, there remain 1/2 × 4.0 mol = 2.0 mol.
  • After 3 half-lives, there remain 1/2 × 2.0 mol = 1.0 mol.
  • After 4 half-lives, there remain 1/2 × 1.0 mol = 0.50 mol.

6 0
3 years ago
H2CO3 -&gt; H2O + CO2 What type of chemical reaction is taking place in this
OlgaM077 [116]

Answer: decomposition

Explanation: one molecule forms tro molecules

8 0
3 years ago
Name the method that is used to separate cream and skim milk from each other
dimaraw [331]

Answer:

the separator is a centrifugal device that separates milk into cream and skimmed

I hope it helps you

6 0
3 years ago
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