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ElenaW [278]
2 years ago
6

Alcohol is a colorless odorless pungent drug that acts as a:

Chemistry
1 answer:
d1i1m1o1n [39]2 years ago
4 0
As a Depressant, it acts like a depressant
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A chemist uses a standard solution of 0.210 M lithium hydroxide (LiOH) to titrate 28.10 mL of sulfurous acid acid (H2SO3), she f
erik [133]

Answer:

0.0827M of H₂SO₃

Explanation:

LiOH reacts with H₂SO₃ to produce water and Li₂SO₃, thus:

2LiOH + H₂SO₃ → 2H₂O + Li₂SO₃

<em>Where 2 moles of lithium hydroxide react with 1 mole of sulfurous acid.</em>

As the chemist requires 22.14mL = 0.02214L of a 0.210M solution to neutralize the acid, moles of LiOH are:

0.02214L × (0.210mol / L) =<em>0.004649 moles of LiOH</em>.

As 2 moles of LiOH react with 1 mole of H₂SO₃, moles of H₂SO₃ are:

0.004649 moles of LiOH ₓ (1 mole H₂SO₃ / 2 mol LiOH) =

<em>0.002325 moles of H₂SO₃</em>

These moles are present in 28.10mL = 0.02810L. Thus, molar concentration of the acid is:

0.002325 moles H₂SO₃ / 0.02810L = <em>0.0827M of H₂SO₃</em>

3 0
3 years ago
Read 2 more answers
A solar eclipse will last 1 to _____ minutes.
stellarik [79]
1st qn - B
2nd qn - A
Last qn - Yes
6 0
3 years ago
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What solid can be formed from a net diagram that has 2 congruent circles and 1 rectangle?
Serggg [28]

Answer: Option (B) is the correct answer.

Explanation:

When two circles are of same same then they are known as congruent circles.

Whereas a rectangle is a kind of parallelogram with all sides equal to 90^{o}.

Therefore, when 2 congruent circles and 1 rectangle combines then it results in the formation of a cylinder.

Thus, we can conclude that solid formed when 2 congruent circles and 1 rectangle combines will be a circle.

5 0
3 years ago
Read 2 more answers
A car moving at 12 m/s applies its brakes and comes to a stop in 2 s. What was its acceleration?​
vredina [299]

Answer:

<h2>6 m/s²</h2>

Explanation:

The acceleration of an object given it's velocity and time taken can be found by using the formula

a =  \frac{v}{t}  \\

where

a is the acceleration

v is the velocity

t is the time

From the question we have

a =  \frac{12}{2}  \\

We have the final answer as

<h3>6 m/s²</h3>

Hope this helps you

8 0
3 years ago
The state of matter for an object that has both definite volume and definite shape is
Romashka-Z-Leto [24]

The state of matter for an object that has both definite volume and definite shape is solid.

3 0
4 years ago
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