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r-ruslan [8.4K]
2 years ago
11

Which dosage form is a semisolid preparation that contains very small solid particles that are suspended in a liquid

Chemistry
1 answer:
ivolga24 [154]2 years ago
4 0

A GEL is a semisolid preparation that contains very small solid particles that are suspended in a liquid. A gel always contains an agent (e.g., agarose) that provides stiffness to the preparation.

A gel is a semisolid preparation that contains a gelling agent which provides stiffness to the preparation.

The gelling agent can be, for example, agarose (this gelling agent is used to prepare gels in electrophoresis).

In an agarose gel, agarose molecules are organized into three-dimensional (3D) structures similar to pores, which allow the passage of DNA fragments during electrophoresis.

Learn more about agarose gel here:

brainly.com/question/5661562

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A gas cylinder initially contains 463 L of gas at a pressure of 159 atm. If the final volume of gas is 817 L, what is the final
Agata [3.3K]

Answer:

The final pressure is 90.1 atm.

Explanation:

Assuming constant temperature, we can solve this problem by using <em>Boyle's Law</em>, which states:

  • P₁V₁=P₂V₂

Where in this case:

  • P₁ = 159 atm
  • V₁ = 463 L
  • P₂ = ?
  • V₂ = 817 L

We <u>input the given data</u>:

  • 159 atm * 463 L = P₂ * 817 L

And <u>solve for P₂</u>:

  • P₂ = 90.1 atm

The final pressure is 90.1 atm.

6 0
2 years ago
. What is the first element on the periodic table?
melamori03 [73]

Answer:

The first element in the periodic table is hydrogen.

Explanation:

Hydrogen has an atomic number of one, making it the first element of the periodic table. The atomic number of an element is just the number of protons in the nucleus, so hydrogen has one proton. The neutrons and electrons do not affect the atomic number. After hydrogen with one proton comes helium with two, lithium with three, beryllium with four, and so on.

6 0
3 years ago
Why is Adam Driver hot? like I want him to step on me :)
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2 years ago
Several properties of the element magnesium are shown. Which one is a chemical property?
aniked [119]

Answer:

E

Explanation:

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4 0
2 years ago
The formula weight of potassium dichromate (k2cr2o7) is __________ amu.
Gre4nikov [31]

The given compound is K_{2}Cr_{2}O_{7}

Each formula unit of K_{2}Cr_{2}O_{7} has 2 mol Potassium (K) atoms, 2 mol Chromium (Cr) atoms and 7 mol Oxygen (O) atoms.

Atomic weight of potassium is 39.0983 amu

Atomic weight of Chromium is 51.9961 amu

Atomic weight of Oxygen is 15.9994 amu.

Therefore the formula weight of K_{2}Cr_{2}O_{7} =

2 * 39.0983 amu + 2 * 51.9961 amu + 7 * 15.9994 amu

= 294.1846 amu

4 0
3 years ago
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