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Mkey [24]
3 years ago
8

Neeru is looking at her kids backpack and wants to compare their masses. What is the best tool Neeru can use to find the mass of

each backpack?
A) graduated cylinder
B) balance
C) ruler
D) beaker
Chemistry
1 answer:
lisov135 [29]3 years ago
3 0
B would be the best to measure mass
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Buffering capacity refers to: the effectiveness of commercial antacids the extent to which a buffer solution can counteract the
kirill [66]

Answer: Option (b) is the correct answer.

Explanation:

Buffere is defined as the solution to whom when an acid or base is added then it resists any in change in pH of the solution.

This is because a buffer has the ability to not get affected by the addition of small amounts of an acid or a base. So, basically it keeps the concentration of both hydrogen ions and hydroxides equal. As a result, it helps in maintaining the pH of the solution.

And, the capacity of a buffer solution to resist the change is known as buffer capacity.

Thus, we can conclude that buffering capacity refers to the extent to which a buffer solution can counteract the effect of added acid or base.

8 0
3 years ago
Which of the following describes what happens in a chemical reaction
Rus_ich [418]
Is there meant to be a photo here? there are no options so we can’t answer the question.
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2 years ago
Bismuth(III) sulfate is an ionic compound formed from Bi3+ and SO42-. What is the correct way to represent the formula?
Hitman42 [59]

Answer:

Bi2(SO4)3

Explanation:

Bismuth(iii) sulfate is an ionic compound therefore, their is transfer of electron. Ionic compound has both cations and anions. The cations is positively charged ion while the anions is negatively charged ions. The cations loses electron to become positively charged while the anions gains electron to become negatively charged.

From the compound above, Bismuth(iii) sulfate the cations will be Bismuth ion which loses 3 electrons. The anions is the sulfate ion (S04)2- with a -2 charge.

The chemical formula can be computed from the charge configuration as follows

Bi3+  and (SO4)2-

cross multiply the charges living the sign behind to get the chemical formula

Bi2(SO4)3

Note the final chemical formula, the numbers are sub scripted

4 0
3 years ago
What kind of state is a roller coasters are the best use of Newton's laws of motion​
hammer [34]

I am slightly unsure on the question, but if you are asking what kind of "statement" is "r<em>oller coasters are the best use of Newton's laws of motion</em>​" then the following should answer your question:

Answer:  

An opinion.

Explanation:  

          In physics, Sir Isaac Newton's first law of motion is known as law of inertia and it states that, an object or a physical body in motion will continue in its state of motion at continuous velocity (the same speed and direction) or, if at rest, will remain at rest unless acted upon by an external force.  

          The statement, "Roller coasters are the best use of Newton's laws of motions" is an opinion because it is not based on any evidence, facts, or proof to back it up.

5 0
2 years ago
How could you prepare a saturated solution from an unsaturated solution
malfutka [58]
By driving away the solvent which is in most cases just evaporating the water
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