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3 years ago

Difference Between phenol and dettol

1 answer:

7 0

<h2>We can use the same chemical as a disinfectant and an antiseptic by varying its concentration. For example, phenol can be used as an antiseptic if its concentration is 0.2 per cent but to use it as a disinfectant the concentration should be 1 per cent. ... Lysol is a disinfectant whereas Dettol is an antiseptic.</h2>

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How many joules of heat are absorbed when 73 g water are heated from 30*C to 43*C? *

stepladder [879]

Answer:

3966.82 J

Explanation:

q=sm∆T

q=73×13×4.18

the specific heat for water is 4.18

6 0

3 years ago

Read 2 more answers

two solutions are made by mixing sugar and enough water to make a 1 liter solution. one contains 5% sugar and the other contains

Free_Kalibri [48]

Based on their percent concentration, the 5% sugar solution contains more water.

<h3>What is the concertation of a solution?</h3>

The concentration of a solution is the amount of solute dissolved or present in a given volume of solution.

Concentration of solutions can be expressed as either:

molar concentration
mass concentration
percentage concentration

The concentration of the sugar solutions are given as percent concentration.

The 5% sugar solution contains 5% sugar and 95% water

The 10% sugar solution contains 10% sugar and 90% water.

Therefore, the 5% sugar solution contains more water.

Learn more about percent concentration at: brainly.com/question/1459676
#SPJ1

3 0

2 years ago

10 points

barxatty [35]

Answer:

110k because 2 x 110 =220

7 0

3 years ago

The acceleration due to gravity of all objects in free fall is the same. Why, then, do some objects fall through the air at a di

kenny6666 [7]

Answer:

Displacement. (I think)

Explanation:

When you observe both a bowling ball and a feather falling to the ground at the same time, you see that the feather falls much slower. This is because the feather displaces the air around it.

Look closer at the feather. Notice that all the feather is are fibers sprouting from the quill. The air moves through these fibers slower and displaces the air around them. this is what helps birds to fly and glide.

Now observe someone in a flight suit. A flight suit has a type of fabric webbing in-between the arms and legs of the wearer. This allows them to glide through the air (when they gain lift) because the higher surface area of a light material displaces the air around it.

Regards! (And sorry if I'm wrong!)

6 0

3 years ago

Part B When carbon is burned in air, it reacts with oxygen to form carbon dioxide. When 22.8 g of carbon were burned in the pres

aksik [14]

<u>Answer:</u> The amount of carbon dioxide gas produced in the reaction is 83.6 grams

<u>Explanation:</u>

As, some amount of oxygen gas is left after the reaction is completed. So, it is present in excess and is considered as an excess reagent.

Thus, carbon is considered as a limiting reagent because it limits the formation of product.

To calculate the number of moles, we use the equation:

$\text{Number of moles}=\frac{\text{Given mass}}{\text{Molar mass}}$ .....(1)

Given mass of carbon = 22.8 g

Molar mass of carbon = 12 g/mol

Putting values in equation 1, we get:

$\text{Moles of carbon}=\frac{22.8g}{12g/mol}=1.9mol$

The chemical equation for the reaction of carbon and oxygen gas follows:

$C+O_2\rightarrow CO_2$

By Stoichiometry of the reaction:

1 mole of carbon produces 1 mole of carbon dioxide gas

So, 1.9 moles of carbon will produce = $\frac{1}{1}\times 1.9=1.9moles$ of carbon dioxide gas

Now, calculating the mass of carbon dioxide from equation 1, we get:

Molar mass of carbon dioxide = 44 g/mol

Moles of carbon dioxide = 1.9 moles

Putting values in equation 1, we get:

$1.9mol=\frac{\text{Mass of carbon dioxide}}{44g/mol}\\\\\text{Mass of carbon dioxide}=(1.9mol\times 44g/mol)=83.6g$

Hence, the amount of carbon dioxide gas produced in the reaction is 83.6 grams

6 0

3 years ago

Difference Between phenol and dettol​

Difference Between phenol and dettol