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PilotLPTM [1.2K]
3 years ago
10

With all the coefficient set to 1, how can you tell that the equation is not balanced?

Chemistry
1 answer:
murzikaleks [220]3 years ago
7 0

Answer:

Well for any equation if all the coefficients are set to 1, this might result in unequal numbers of atoms of the same element on both sides

Explanation:

For example:

A+B---->B_{2} + A_{2} (for this equation all the coefficient (the number before element) are 1 but you can clearly see it is not balanced because one side has 1 A atom and other side has 2 B atoms....therefore we need to balance em.

2A+2B-----> A_{2} + B_{2} Here both atoms are balanced.

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3. In an atomic model, what particles are found inside the nucleus of an atom?
sukhopar [10]

Answer:

Neurons and Protons

Explanation:

The Electrons are outside of the nucleus, also known as the <em>Electron</em><em> </em><em>Cloud</em><em>.</em>

I hope this was what you were looking for, and as always, I am joyous to assist anyone at any time.

4 0
3 years ago
What is the difference between a volume that is delivered and a volume that is contained?
nikdorinn [45]

Answer:

When the graduation line denotes the volume contained in the calibrated vessel, the ware is marked “TC”. When the graduation line indicates the volume delivered from the vessel, the ware is marked “TD”.

3 0
3 years ago
Calculate the heat released when 25.0 grams of water freezes at 0 degree Celsius.
mafiozo [28]

Answer:

= 8350 joules

Solution and explanation:

  • The heat of fusion refers to the quantity of heat released when a given amount of water freezes.
  • For example, 1 g of water releases 334 J when it freezes at 0°C.

Therefore; For 25.0 g of water.

Heat released = Mass of water × heat of fusion

                        = 25 g × 334 J/g

                        = 8350 Joules

Hence, the amount of heat released when 25.0 g of water freezes at 0°C is 8350 J.

5 0
3 years ago
Classmate
Nata [24]

Answer:

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8 0
2 years ago
Predict if a solid precipitate will form when solutions of KOH(aq) and Fe(NO3)3(aq) are mixed. If so, identify the solid.
jeyben [28]

Answer:

The answer to your question is KNO₃ is soluble and Fe(OH)₃ is insoluble.

Explanation:

Data

Potassium hydroxide (KOH)

Iron nitrate Fe(NO₃)₃

Double displacement reaction

              3KOH + Fe(NO₃)₃  ⇒   3KNO₃  +  Fe(OH)₃            

Conclusion

KNO₃ is soluble because compounds containing alkali metals ions are

         soluble and also compounds containing nitrate ion are soluble.

Fe(OH)₃ is insoluble because compounds containing OH are insoluble

              except Ba(OH)₂

7 0
3 years ago
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