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Marizza181 [45]
4 years ago
10

An atom with an atomic number of 12 and a mass number of 25 can best be described by which of these

Chemistry
2 answers:
meriva4 years ago
8 0

A. An atom that contains 12 protons


Maslowich4 years ago
7 0

A. An atom that contains 12 protons <u><em>and 13 neutrons.</em></u>

<u><em /></u>

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Please describe the relationship between these pairs of compound as: isomers, identical, or unrelated
RUDIKE [14]
A.) CIS/Trans isomers
b.) constitutional isomers
c.) identical
d.) constitutional isomers
e.) identical

4 0
4 years ago
Consider a hypothetical reaction in which A and B are reactants, and C and D are products. If 26 grams of A completely reacts wi
natali 33 [55]

Answer:

The answer to your question is: 24 grams of D

Explanation:

To answer this question we need to remember the Lavoisier law of conservation of mass, which says that in a chemical reaction matter is neither created nor destroyed.

This means that the amount of matter stays the same.

Then, the reaction is

                    A      +      B      ⇒       C      +      D

                 26 g         12 g             14 g            x

mass                              

of reactants      38 g                              ?          mass of products, but it must be

                                                                          equal to the mass of products

Then                14g + x = 38

                        x = 38 - 14

                        x = 24 g of D                                                        

4 0
3 years ago
Stone tools enabled people to hunt and grow crops made the food supply more
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It makes it more accessible to everybody
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What is the pH of a 0.0001 M aqueous solution of HCI?
IgorLugansk [536]
PH=4
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Ability to adapt to their environment?? there isn't much context to the question /:
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