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Alik [6]
3 years ago
7

a certain skin lotion is a fine mixture of water and various oils. this lotion is cloudy and cannot be separated into oil and wa

ter by filtration. moreover, it’s compon do not separate when left standing. what type of mixture is it
Chemistry
1 answer:
AURORKA [14]3 years ago
8 0

The answer is solution because it cannot be separated or  colliod homogenous mixture which has all the components in the same phase.  emulsions or what ever idk your answer but that my best answer :3

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What is the wave length of an electromagnetic radiation ,having a frequency of 5.2 x 10^12 Hz? Note: c= 3.00 x 10^8 m/s
olchik [2.2K]

Answer:

\huge{5.77 \times  {10}^{ - 5} m}

Explanation:

The wavelength of a wave can be found by using the formula

\lambda =  \frac{c}{f}  \\

where

c is the speed of the wave

f is the frequency

From the question we have

\lambda =  \frac{3 \times  {10}^{8} }{5.2 \times  {10}^{ 12} }  \\  \\  \\  \\  \large{ = 5.77 \times  {10}^{ - 5} m}

Hope this helps you

7 0
2 years ago
Water, or h2o, is a covalent substance because there is a covalent bond between -
fomenos
I believe the answer is C. The oxygen atom and each of the hydrogen atoms
6 0
3 years ago
What would happen if you added more than 5 mL of yeast solution to the H2O2?
Marat540 [252]

Answer: -

Hydrogen peroxide breaks down into water and oxygen.

2H₂O₂ → 2H₂O + O₂

The yeast present contains an enzyme called catalase which catalyses the reaction.

More the amount of the catalyst added, faster will be the decomposition of the hydrogen peroxide.

Thus if we added more than 5 mL of yeast solution to the 2H₂O₂, the breakdown would occur faster. Thus the bubbles and the accompanying fizz would be much more.

3 0
3 years ago
What molarity is made when 36.5 g HCl is mixed into 250 mL of solution?​
Dominik [7]

Answer:

The molarity of the HCl solution is 4M.

Explanation:

Molarity=\frac{number\:of\:moles}{Volume\:of\:solution\:in\:L}\\ \\The\:volume\:of\:solution=250mL=0.25L\\\\Number\:of\:moles=\frac{weight\:of\:HCl\:in\:solution}{molecular\:weight\:of\:HCl}\\ \\Molecular\:weight\:of\:HCl=36.5g\\\\The\:weight\:of\:HCl\:in\:solution=36.5g\\\\Number\:of\:moles\:of\:HCl=\frac{36.5}{36.5}=1\:mole\\\\The\:molarity\:of\:HCl\:solution=\frac{1}{0.25}=4M

Hence, the molarity of the HCl solution = 4 M

5 0
3 years ago
Someone pls help me I will make you brain
Nostrana [21]
What do u need help with?
3 0
3 years ago
Read 2 more answers
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