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3 years ago

What property of liquid oxygen makes it especially difficult and potentially harmful to work with at home?

1 answer:

3 0

The property of liquid oxygen that makes it especially difficult and potentially harmful to work with at home would be its cryogenic temperature. Liquid oxygen is being produced from the compression of oxygen gas to -196 degrees Celsius. As you can see, it has a very cold temperature that is why it used in cryogenics. Although liquid oxygen is non-toxic to humans, it would cause burns that are severe when being touched. Also, it would make certain materials brittle and unstable. Another property that makes it dangerous for use at home would be that it is very flammable. Proper handling is a must for this substance.

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A 25.0 mL sample of an acetic acid solution is titrated with a 0.175 M NaOH solution. The equivalence point is reached when 26.6

joja [24]

Answer: The concentration of $CH_3COOH$ comes out to be 0.16 M.

Explanation:

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 $CH_3COOH$

$n_2,M_2\text{ and }V_2$ are the n-factor, molarity and volume of base which is NaOH.

We are given:

$n_1=1\\M_1=?M\\V_1=25mL\\n_2=1\\M_2=0.175M\\V_2=26.6mL$

Putting values in above equation, we get:

$1\times M_1\times 25=1\times 0.175\times 26.6\\\\M_1=0.1862M$

Hence, the concentration of $CH_3COOH$ comes out to be 0.1862 M.

4 0

2 years ago

SOMEONE PLEASE HELP! WILL GIVE BRAINLIEST!

Elis [28]

Answer:

1 At 0C° KNO3 is least soluble

2 Approximately 65 grams

3 About 30 grams

4 yes it increases at the same rate can be explained by straight line graph

Explanation:

3 0

2 years ago

Ethanol is a: A. substance B. heterogeneous mixture C. homogenous mixture

Dahasolnce [82]

Answer: i think it is A

Explanation:

hope this helps!

6 0

3 years ago

Read 2 more answers

The solutions that are mixed contain agno3 and nacl. What two products can be formed by exchange of the ions from these two reac

anastassius [24]

Answer:

NaNO₃ and AgCl are the two products that can be formed.

Sodium nitrate, an aqueous solution and a solid silver chloride (precipitate)

Explanation:

We determine the dissociation of both salts

AgNO₃ (aq) → Ag⁺ (aq) + NO₃⁻ (aq)

NaCl (aq) → Na⁺ (aq) + Cl⁻ (aq)

We make the ionic equation:

Ag⁺ (aq) + NO₃⁻ (aq) + Na⁺ (aq) + Cl⁻ (aq) → NaNO₃(aq) + AgCl (s) ↓

6 0

3 years ago

The solid part of the blood consists of _____ and _____ blood cells.

Aloiza [94]

Your blood is a living part or tissue of your body that composed of liquid and solid part. The liquid part is made of plasma and mineral like, water, salt and protein. While the solid part is composed of red blood cells, white blood cells and also platelets

8 0

3 years ago