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Kay [80]
3 years ago
7

10. Lead nitrate solution mixed with sodium sulfate solution forms lead sulfate as a

Chemistry
1 answer:
Leviafan [203]3 years ago
8 0

Answer:

88%.

Explanation:

The percentage yield of lead sulfate in this experiment is 88% if 2.53 is divided by 2.85 and multiply by 100. The percentage yield can be calculated when the experimental yield is divided by theoretical yield and then multiply by 100. The percentage yield tells us about the actual yield that is gained in the end of experiment which is lower than theoretical yield.

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Help please guys anybody
svetoff [14.1K]

Given what we know about the forces that act upon objects, we can confirm that an object to which balanced forces are applied will not be in motion.

<h3>What are balanced and unbalanced forces?</h3>
  • A balanced force is when an object is not in motion due to all forces being matched.
  • This means that for every force, there is an opposite force of the same magnitude that nullifies it.
  • When one of these forces increases and overtakes its opposite, we gain motion.
  • When this happens, the forces are now unbalanced.

Therefore, we can confirm that since the forces that are acting on the object are balanced, meaning that each force is matched by an opposite force of the same magnitude, the object will not move. For this object to move, the forces would have to become unbalanced by increasing the magnitude of one.

To learn more about the laws of motions visit:

brainly.com/question/2437899?referrer=searchResults

3 0
2 years ago
Describe what conditions exist in water molecules to make them dipolar.
lesantik [10]
<span>The bent geometry of the water molecule gives a slight overall negative charge to the oxygen side of the molecule and a slight overall positive charge to the hydrogen side of the molecule. This slight separation of charges gives the entire molecule an electrical polarity, so water molecules are dipolar.</span>
4 0
3 years ago
Which of the following is true of science? (2 points)
yulyashka [42]

Body of knowledge gained using inquiry and expirimentation

5 0
3 years ago
Consider a solution containing 0.100 m fluoride ions and 0.126 m hydrogen fluoride. the concentration of hydrogen fluoride after
Nataly_w [17]
Fluorine ions reacts with Hydrogen chloride to form more hydrogen fluoride.
Therefore, moles of HCl = 0.005 l × 0.01 M = 5 ×10^-5 moles
The initial moles of Hydrogen fluoride will be;
 = 0.0126 M× 0.0250 = 0.00315 Moles
Moles of hydrogen fluoride after the addition of HCl 
= 0.00315 + 5.0× 10^-5 = 0.0032 moles 
Therefore, the concentration of Hydrogen chloride 
            = 0.0032 moles/ 0.030 L 
            = 0.107 M
3 0
3 years ago
Read 2 more answers
The dumping of wastewater from this pipe is an example of what type of pollution?
Veseljchak [2.6K]

Answer:

dumping of wastewater is an example of water polution.

Explanation:

water polution is when an alienated foreign contaminent is put into a water source either intentionally or accidentally

3 0
3 years ago
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