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liberstina [14]
3 years ago
10

What is a chemical change?

Chemistry
1 answer:
ipn [44]3 years ago
5 0

A chemical change, also known as a chemical reaction, is a process in which one or more substances are altered into one or more new and different substances. In other words, a chemical change is a chemical reaction involving the rearrangement of atoms.

Hope this helps! ;)

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Z is a covalent substance. In an experiment, a sample of pure solid Z was continually heated for 11 minutes
11111nata11111 [884]

When a pure solid Z sample it a covalent compound is heated continually for 11 minutes it will undergo disintegration leaving the bonds intact.

<h3>What is a covalent compound?</h3>

A covalent compound is a compound that is made up of molecules which share one or more pairs of valence electrons and are bonded together by a covalent bond.

One of the major factors that affect compounds with covalent bonds is temperature.

The increase in temperature during heating leads to the separation of the atoms from each other but leaving the bonds intact.

Learn more about covalent bonds here:

brainly.com/question/12732708

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Suppose 0.09886 M KOH is titrated into 15.00 mL H2SO4 of unknown concentration until the equivalence point is reached. It takes
AleksAgata [21]

Answer:0.00028917

Explanation:

8 1
3 years ago
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Please do 20 and 21 I will give you extra points!!!
Vaselesa [24]

Answer: #20

Explanation:

if the sun got dimmer then plants would that need a high tempature would not be able to grow it would also be very cold

6 0
3 years ago
Design and implement a program (name it SumValue) that reads three integers (say X, Y, and Z) and prints out their values on sep
rjkz [21]

Answer:

class sum (

public static void sumofvalue (int m, int n, int p)

{

System.out.println(m);

System.out.println(n);

System.out.println(p);

int SumValue=m+n+p;

System.out.println("Average="+Sumvalue/3);

}

)

Public class XYZ

(

public static void main(String [] args)

{

sum ob=new sum();

int X=3;

int X=4;

int X=5;

ob.sumofvalue(X,Y,Z);

int X=7;

int X=8;

int X=10;

ob.sumofvalue(X,Y,Z);

}

)

Explanation:

The above program is made in Java, in which first we have printed value in a separate line. After that, the average value of those three values has been printed according to the question.

The processing of the program is given below in detail

* The first one class named 'sum' has been created which contains the function to print individual value and the average of those three values.

* In seconds main class named 'XYZ', the object of that the above class had been created which call the method of the above class to perform functions.

* In the main class values are assigned to variables X, Y, Z.

3 0
3 years ago
Drag each label to the correct location on the equation. Each label may be used more than once.
elena-14-01-66 [18.8K]
HCl is an acid, C5H5N is a base, Cl is an acid, and HC5H5N is an acid.

Hope this helps! If so, brainliest would be appreciated!
8 0
2 years ago
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