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SashulF [63]
2 years ago
7

HELP ITS DUE TOMORROW ​

Chemistry
2 answers:
tangare [24]2 years ago
4 0

Answer:

like i said put them all in numeral order and youll get them right

Explanation:

Alja [10]2 years ago
4 0
Put them in numerical order
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Why is important to only test one variable at a time?
Natalija [7]

Answer:

B

Explanation:

It is important to only test one variable at a time because you need to be able to disprove or prove a problem with just one independent variable. When you have several variables in the experiment, it would be impossible to know which variable honestly caused the end result.

4 0
2 years ago
In a balanced chemical reaction, the number of atoms of each element in the product(s) always equals the
dangina [55]
A ? Or c I thinkkkkkk
6 0
2 years ago
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Please help me I really don’t understand
Leokris [45]
I dont understand life, for example, look at my username.

4 0
3 years ago
PLZ HELP ME
mariarad [96]

The balanced reaction is 3 Ca ( s ) + N 2 ( g )  →  Ca 3 N 2 ( s ).

<u>Explanation</u>:

A chemical equation is said to be balanced when the total number of atoms present on the reactants side is equal to the total number of atoms present on the product side.

The unbalanced chemical equation is as follows,

                             Ca ( s ) + N 2 ( g )  →  Ca 3 N 2 ( s )

To balance this equation, you need to look at how many atoms of each element are present on each side of the chemical equation.

 Calcium has  1  atom on the reactant and  3  on the products side. To balance the reaction we need to multiply the calcium atom by  3  on the reactants side.

                            3 Ca ( s ) + N 2 ( g )  →  Ca 3 N 2 ( s )    

Now  Nitrogen has a coefficient of  2  on both sides of the reaction. Hence the balanced chemical equation will thus be

                              3 Ca ( s ) + N 2 ( g )  →  Ca 3 N 2 ( s )

3 0
3 years ago
How does the comic strip define a polar molecule
zmey [24]

The answer is: A molecule with a difference in electrical charge between two ends.

Electronegativity (χ) is a property that describes the tendency of an atom to attract a shared pair of electrons.

Atoms with higher electronegativity attracts more electrons towards it, electrons are closer to that atom.

For example fluorine has electronegativity approximately χ = 4 and oxygen χ = 3,5, fluorine attracts electron and he has negative charge and oxygen has positive charge.

4 0
2 years ago
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