All categories

3 years ago

EXPERIMENT: DETERMINING VOLUME

Chemistry

1 answer:

Tanzania [10]3 years ago

7 0

Explanation:

(Ques- A) Why does the first method for determining volume work only for a regular-shaped object?

(Ans- A) Because the method requires precise dimensions of objects for result, which is not possible for irregular shaped objects.

(Ques - B) Will the second method for determining volume work for any object or just an odd-shaped one? Why?

(Ans-B) It will work for both regular and irregular shaped objects since both displace equal volumes of water.

(Ques - C) Is one method of measurement more accurate than the other? Why or why not?

(Ans-C) Both are pretty accurate, with some experimental errors which may creep in accidentally.

(Ques- D) Would the displacement method of measurement work for a cube of sugar? What about a cork? Why?

(Ans - D) No, the method would not work because sugar being soluble, will dissolve in water.

No, the method would not work because sugar being soluble, will dissolve in water. Cork is less dense than water so floats on it, with only part of it submerged in water, resulting in displacement of less volume of water than actual volume of Cork.

(Ques-E) What did you find out from this investigation? Be thoughtful in your answer.

(Ans- E) I learnt about determining volume of different objects from this investigation. (Sorry, I know its not a very thoughtful answer)

You might be interested in

Chlorofluoro carbons are air-polluting agents. They are produced by –

Katen [24]

Answer:

C. Aerosols

Explanation:

8 0

3 years ago

Water exists in liquid form between its 1. Freezing and Boiling point 2. Freezing and melting point 3. Boiling and melting point

Zigmanuir [339]

Answer:

Freezing and boiling point

Explanation:

A liquid form of any substance is an intermediate form between the solid form and the gaseous form.

Decreasing the temperature of liquid water according to the phase diagram of $H_2O$ would freeze it and we would have a phase change from liquid to solid (ice) at the freezing point of water.

Similarly, heating water to its boiling point would evaporate water and we would have a phase change from liquid to gas (water vapor).

Therefore, liquid water exists between its freezing and boiling point.

8 0

3 years ago

Suppose you used 0.5 M NaOH to titrate your vinegar sample instead of 0.1 M. What effect does the concentration of base added ha

laiz [17]

Answer: the reliability will be worse

Explanation:

Suppose we used 0.5 M NaOH to titrate our vinegar sample instead of 0.1 M.

Now by using 0.5M instead of 0.1M we are increasing the concentration of NaOH,

We know that the moles used = Volume x concnetration.

so for the same no of moles, if the concentration increases, the volume decreases.

Hence it will consume less NaOH.

now Since the volume decreases, the titration volume of less number will increase the % error.

Therefore the reliability will be worse.

4 0

3 years ago

What were the limitations of Newlands Law of Octaves.? No spam ❌❌ or else (-_-メ)

liubo4ka [24]

Answer:

The major limitations of Newlands' law of octaves were : (i) It was applicable to only lighter elements having atomic masses upto 40 u, i.e., upto calcium. After calcium, the first and the eighth element did not have similar properties

5 0

3 years ago

Read 2 more answers

Determine the rate of a reaction that follows the rate law:

natima [27]

Answer:

k= 1.5

[A] = 1 M

[B] = 3 M

m = 2

n = 1

Explanation:

rate = k[A]”[B]"

6 0

3 years ago