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Anit [1.1K]
3 years ago
7

True or False? Unbalanced forces cause a change in motion T/F How do you know this?

Chemistry
2 answers:
Oxana [17]3 years ago
5 0

Answer:

true

Explanation

Unbalanced forces can cause an object to change its motion.If an object is at rest and an unbalanced force pushes or pulls the object it will move. Unbalanced forces can also change the speed or direction of an object that is already in motion.

-Dominant- [34]3 years ago
5 0
True




Explanation: I got it right
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Based on the parameters set forth in your lab procedure, what is the ph you should observe when you added the hcl to water?.
Rzqust [24]

Acid has a pH below 7 while water has a pH of 7. A strong acid with a pH of roughly 3, HCl is. Water gets more acidic and loses pH in the range of 4-5 when HCl is added to it.

<h3>What is pH?</h3>

A substance's pH is a gauge of how basic or acidic it is. It is a measurement of the amount of H+ present in the solution. It is equivalent to the negative logarithm of the concentration of H+ ions mathematically.

A solution is acidic if its pH value is less than 7, and basic if it is greater than 7. Acids have a lower pH because they contain more H+ ions. Strong acid hydrochloric acid has a pH between 2 and 3.

Water has no charge. Water becomes acidic in pH if any acid is introduced. Therefore, if HCl is given to water, the pH of the water will change to 3-5 depending on the acid content.

To find more on pH refer here:

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6 0
1 year ago
When the number of electrons in an atom changes, then the atom's_______ change.
AlekseyPX

Answer:

It would change the charge of the atom.

Explanation:

Added electrons cause atoms to be negatively charged, lost electrons cause atoms to be positively charged.

5 0
3 years ago
A sample of water and alcohol are mixed. What method should be used to separate them?
Margaret [11]

Fractional Distillation is the answer


6 0
3 years ago
What is the pH of 2.0 M nitrous acid at equilibrium (Ka= 4.6×10-4)?
Serga [27]
Check out this link to help you. :)
Someone else already answered this question.
brainly.com/question/1489637
5 0
3 years ago
Read 2 more answers
In an acid/base lab, a student used blue litmus paper and placed it in the sample. It stayed blue. Then the student used red lit
Allushta [10]

Answer: The substance is neutral

Explanation:

If you place red litmus paper into a basic substance, it turn's blue. When it comes in contact with an acidic or neutral substance, it doesn't change colour it remains red.

Blue litmus paper in acid turns red when placed in a basic or neutral solution it remains blue. From this it can be concluded that the solution is neutral.

7 0
3 years ago
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