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2 years ago

Which dilution of hydrogen peroxide would not be considered a broad spectrum and sporicidal disinfectant?.

1 answer:

5 0

The dilution of hydrogen peroxide that would not be considered an effective disinfectant is any solution with a Hydrogen peroxide concentration that is lower to 3%.

<h3>What is hydrogen peroxide?</h3>

Hydrogen peroxide is one of the most common antiseptics. This means it is a substance used as a disinfectant either on surfaces or in small wounds, although its use on wounds is discouraged.

<h3>What concentration works as a disinfectant?</h3>

In most cases, hydrogen peroxide is not found as a pure substance but as a dilution, which means hydrogen peroxide is mixed with other substances such as water to decrease its concentration.

The ideal concentration of hydrogen peroxide is 3%, this concentration makes it an effective disinfectant. In the same way, a lower concentration would not have effectiveness in terms of disinfection.

Learn more about peroxide in: brainly.com/question/1446111

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How many moles of CCI are there in 78.2 g of CCI.?

vaieri [72.5K]

Answer:

0.508 mole

Explanation:

NOTE: Since no hydrogen is attached to the compound given in question above, it means the compound is CCl₄.

The number of mole present in 78.2 g of CCl₄ can be obtained as follow:

Mass of CCl₄ = 78.2 g

Molar mass of CCl₄ = 12 + (35.5×4)

= 12 + 142

= 154 g/mol

Mole of CCl₄ =?

Mole = mass / molar mass

Mole of CCl₄ = 78.2 / 154

Mole of CCl₄ = 0.508 mole

Therefore, 0.508 mole is present in 78.2 g of CCl₄

6 0

3 years ago

Please help me will mark brainliest

LuckyWell [14K]

Answer:

accretion

Explanation:

the coming together and cohesion of matter under the influence of gravitation to form larger bodies.

8 0

3 years ago

238,2U --> 234Th +<br> 90

stiv31 [10]

Answer:

$\\_{2}^{4} \alpha$

Explanation:

In this question, we wish to find the missing nuclei for the equation:

$\\_{92}^{238} U\rightarrow _{90}^{234} Th + _{Z}^{A} X$

In order to find the missing species, we need to use the charge and mass balance law. That is, the mass should be conserved: the total mass on the left-hand side with respect to the arrow should be equal to the total mass on the right-hand side with respect to the arrow:

$238 = 234 + A$

Notice from here that:

$A = 238 - 234 = 4$

So far we know that the mass of X is 4. Similarly, we apply the law of charge conservation. The total charge should be conserved:

$92=90+Z$

From here:

$Z = 92-90=2$

We have a particle:

$\\_{2}^{4} X$

Looking at the periodic table, an atom with Z = 2 corresponds to helium. This can also be written as an alpha particle:

$\\_{2}^{4} \alpha$

5 0

3 years ago

Why it is important for steel to go through a fluid phase as it is being produced

BigorU [14]

T is important to go through a fluid phase as it is being produced because the object must go through heat to be melted and then it should be put into a mold to be formed. Also, it go though heat to keep it from cracking and go to be cooled and harden.

Read more on Brainly.com - brainly.com/question/1882456#readmore

3 0

3 years ago

How many liters of water must be added to 0.291 g of NaCl to create a salt water solution that has a concentration of 2.41 g/L?

dmitriy555 [2]

C=2.41 g/L
m(NaCl)=0.291 g

c=m(NaCl)/v

v=m(NaCl)/c

v=0.291/2.41= 0.1207 L = 120.7 mL

4 0

3 years ago

Read 2 more answers