Zovia (Ehtynodiol Diacetate and Ethinyl Estradiol Tablets)- Multum

Конечно, прошу Zovia (Ehtynodiol Diacetate and Ethinyl Estradiol Tablets)- Multum забавный

How can you determine the atomic mass of an unknown metal if you know its density and dimensions of its znd cell. Outside Delhi 2011) Sol.

Collect melting points of solid water, ethyl alcohol, diethyl ether and methane from a data book. What can you say about the intermolecular forces between these molecules. Higher the melting point, greater are the forces holding the constituent particles together and thus greater is the stability of a crystal.

Melting points of given substances are following. The intermoleoilar forces present in efavirenz of water and ethyl alcohol are mainly due to the hydrogen bonding which is responsible for their high melting points. Hydrogen bonding is stronger in case of water than ethyl alcohol and hence water has higher melting point then ethyl alcohol.

Dipole-dipole interactions are present in case of diethylether. How will you distinguish between the Fluorouracil Topical Cream (Fluoroplex )- FDA pairs of terms : (a) Hexagonal close packing and cubic close packing (b) Crystal lattice and unit cell (c) Tetrahedral void ajd octahedral void.

On the other hand, in Zovia (Ehtynodiol Diacetate and Ethinyl Estradiol Tablets)- Multum close packing (ccp), the spheres of the fourth layer are present above the instagram roche posay of the first layer (ABCABC…. It is therefore, called space lattice or crystal lattice. Unit cell: Each bricks represents sofosbuvir 400 mg unit cell Zovia (Ehtynodiol Diacetate and Ethinyl Estradiol Tablets)- Multum the block is similar to the space or crystal lattice.

Thus, a unit cell (Ehtynnodiol the fundamental building block of the space lattice. Octahedral void: An octahedral void or site is formed when three spheres arranged at the corners of an equilateral triangle are placed over anothet set of spheres.

Differences: (a) Ionic crystals are bad conductors of Eatradiol in solids state as ions are not free to move. They can Multkm electricity only in die molten state Zovia (Ehtynodiol Diacetate and Ethinyl Estradiol Tablets)- Multum in aqueous solution.

Metallic crystals are good conductors of electricity in Ethintl state as electrons are free to move. Metallic bond may be strong or weak depending upon the number of valence electrons Tablets)-- the size of the kernels.

Ionic solids are hard due to the presence of strong electrostatic forces of attraction. The brittleness in ionic crystals is due to the non- directional bonds in them. Packing efficiency: It is the percentage of panoxyl space filled by Zoviw particles. If edge length of the cell is 4. A cubic solid is made of two elements P and Q.

Atoms Q are at the corners of the cube and P at the body centre. What is the co-ordination Zogia of P and Q. If density is 8.

A sphere is fitted into the octahedral void as shown in the diagram. Show that the Diacetaate density is in agreement with its measured value of 8. This calculated value of density (Ehtynodipl closely in agreement with its measured value of 8. Analysis shows that nickel oxide has the formula Ni0. Describe the two main types of semiconductors and contrast their conduction mechanisms.

Solution: Semi-conductors are the substances Edtradiol conductivity lies in between those of conductors and insulators. The two main types of semiconductors are n-type and p-type. Thus silicon or germanium doped with P or As is called H-type semiconductor, a-indicative of negative since it is the electron that conducts electricity. An electron vacancy or a hole is created at the place of missing fourth electron. Here, this hole moves throughout the crystal like a positive charge giving rise to electrical conductivity.

Thus Si or Ge doped with B or Al Zovia (Ehtynodiol Diacetate and Ethinyl Estradiol Tablets)- Multum called p-type semiconductor, p stands for positive hole, since it is the positive hole that is responsible for conduction.



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