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bearhunter [10]
3 years ago
11

RIGHT ANWSER GETS MARKED BRAINLIEST

Chemistry
2 answers:
-Dominant- [34]3 years ago
6 0

It is the 2nd Law of universal gravitation.

Ray Of Light [21]3 years ago
6 0

\huge\mathcal {Answer}

Newton's discovery concerning how fast an object will change speed is the 2nd law.

Thanks

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HELP ASAP I DON'T UNDERSTAND THIS :(
n200080 [17]
The answer is C. A, B, and C would depend on what type of electron it is.
3 0
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How many electrons in an atom can have the following quantum designation? 3p
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(NH4)2CO3à NH3 + CO2 + H2O For this unbalanced chemical equation, what is the coefficient for carbon dioxide when the equation i
nasty-shy [4]

Answer:

The answer to your question is the letter A. 1

Explanation:

Data

Chemical reaction

                   (NH₄)₂CO₃  ⇒   NH₃  +  CO₂  + H₂O

               Reactants    Elements     Products

                      2            Nitrogen             1

                       1            Carbon                1

                       8           Hydrogen            5

                       3           Oxygen                3

This reaction is unbalanced

                   (NH₄)₂CO₃  ⇒   2NH₃  +  CO₂  + H₂O

               Reactants    Elements     Products

                      2            Nitrogen             2

                       1            Carbon                1

                       8           Hydrogen            8

                       3           Oxygen                3

Now, the reaction is balanced,

The coefficient for Carbon dioxide is 1

6 0
3 years ago
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A 50.0-g sample of liquid water at 25.0°C is mixed with 35.0 g of water at 89.0°
Scorpion4ik [409]
390 because im cool and awsome
5 0
3 years ago
Should a homeowner expect more caco3 buildup in hot water pipes or cold water pipes
Arturiano [62]
Answer:
             CaCO₃ built up in hot water pipes

Explanation:

The hardness of water is classified as;

Permanent Hard Water:
                                     In this the mineral content cannot be removed by boiling. This water contains mainly following,

                                        Calcium Sulfate  CaSO₄

                                        Calcium Chloride   CaCl₂

                                        Magnesium Sulfate   MgSO₄

                                        Magnesium Chloride   MgCl₂

These salts does not precipitate out on heating water.

Temporary Hard Water:
                                     In this water the mineral content can be removed by boiling. This water contains mainly following,

                                        Calcium Bicarbonate  Ca(HCO₃)₂

                                        Calcium Carbonate  CaCO₃

                                        Magnesium Bicarbonate   Mg(HCO₃)₂

                                        Magnesium Carbonate  MgCO₃

These salts does not precipitate out on heating water. i.e.

                Ca(HCO₃)₂    -------heat------>    CaCO₃  +  CO₂  +  H₂O

The CaCO₃ are formed in the form of scales.

Result:
           Hence, we can say that that CaCO₃ built up in hot water pipes.
5 0
3 years ago
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