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wlad13 [49]
3 years ago
9

Topic: surface area (multiple choice) irrelevant answers will be reported

Chemistry
1 answer:
mezya [45]3 years ago
8 0
Question 3 - liquid b would evaporate faster
Question 4 - lower
Question 5 - yes
Sorry if any of these are wrong but im pretty confident in the answers
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An aqueous solution of barium hydroxide is standardized by titration with a 0.102 M solution of perchloric acid. If 10.3 mL of b
Vesna [10]

<u>Answer:</u> The molarity of barium hydroxide solution is 0.118 M.

<u>Explanation:</u>

To calculate the concentration of acid, we use the equation given by neutralization reaction:

n_1M_1V_1=n_2M_2V_2

where,

n_1,M_1\text{ and }V_1 are the n-factor, molarity and volume of acid which is HClO_4

n_2,M_2\text{ and }V_2 are the n-factor, molarity and volume of base which is Ba(OH)_2

We are given:

n_1=1\\M_1=0.102M\\V_1=24.0mL\\n_2=2\\M_2=?M\\V_2=10.3mL

Putting values in above equation, we get:

1\times 0.102\times 24.0=2\times M_2\times 10.3\\\\M_2=0.118M

Hence, the molarity of Ba(OH)_2 solution will be 0.118 M.

6 0
3 years ago
Which substance contains only 1 kind of atom
Nataliya [291]
Elements are substances that contain only 1 kind of atom.
8 0
3 years ago
Read 2 more answers
2. What are the factors that influence the two types of energy?
VikaD [51]

Answer:

It depends on the objects mass, the gravitational pull when up or down slopes, and the height of the reference point

3 0
2 years ago
Potassium
ad-work [718]

Answer:

  • We observe that hydrogen burns at mouth of beaker with blue flame and pop sound is heard. It is a chemical change.
4 0
3 years ago
In Universe L, recently discovered by an intrepid team of chemists who also happen to have studied interdimensional travel, quan
lidiya [134]

Answer:

Second element(Titanium); [Ar] 3d2 4s2

Third element(Vanadium):Ar 3d3 4s2

Explanation:

Given that there are only three d orbitals in universe L instead of five, the electronic configuration of the second and third elements in the first transition series will now look thus;

Second element(Titanium); [Ar] 3d2 4s2

Third transition element(Vanadium):Ar 3d3 4s2

Hence, the electronic configuration of Titanium and Vanadium in universe L is just the same as what it is on earth.

6 0
3 years ago
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