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Artemon [7]
3 years ago
12

Can someone help me please click the picture?

Chemistry
1 answer:
kompoz [17]3 years ago
5 0

Answer:

The number of atoms on both sides of the expression is not balanced

Explanation:

Stated equation:

         KClO₃  →   KCl    +  O₂

The equation above does not obey the law of conservation of mass because the atoms on both sides of the expression are not the same.

The law of conservation of mass states that "in a chemical reaction, atoms are neither created nor destroyed, but are transformed by combining with one another";

                                                             Number of atoms

       Elements            Left hand side                                Right hand side

             K                             1                                                         1

             Cl                            1                                                         1

              O                            3                                                        2

We see that the number of oxygen on both sides of the expression differs.

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7 0
4 years ago
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(-5)+(+7)-(-4) + (+12)<br>A 8<br>B 10<br>C 18<br>d 20<br>​
Vladimir79 [104]

Answer:

C-18

Explanation:

Step one follow order of operations

Add and subtract from left to right(-5)+(7)=2-(-4)+(12)

STEP 2

Apply negative Rule -(-4)=+4=2+4+(12)

then add 2+4+12=18

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3 years ago
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6 0
2 years ago
PLZ HELP FAST
astra-53 [7]
#1
The correct answer is A.)

Because the animal has sperm that means that the offspring will be different. This is because at conception, the two parents sex cells combine their DNA to make a new creature.

#2
The correct answer is B.)

Genetic variation produces different offspring, and some are more adapted to others. The ones that survive pass on their genes. This is know as "Survival of the Fittest". Asexually organisms are exactly like their parents, so if they have any type of genetic defaults, then their offspring will get them too. 

Hope this helps! 

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3 0
3 years ago
Unknown element x is a metal that ionically bonds to sulfur.is the formula, x3s feasible? why or why not?a)it is feasible. the t
nasty-shy [4]
The correct answer is:
d) No, it is not feasible. three metallic ions cannot provide the exact number of electrons that one sulfur needs for the ionic bond.
Because Sulfur is divalent so it need to gain 2 electrons from metal so if we have 3 metals they can't provide only two electrons only.
8 0
3 years ago
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