हिंदी

Explain with reason sign conventions of ΔS in the following reaction CO2(g) → CO2(g) - Chemistry

Advertisements
Advertisements

प्रश्न

Explain with reason sign conventions of ΔS in the following reaction

CO2(g) → CO2(g)

Advertisements

उत्तर

CO2(g)→CO2(g)

The entropy of the system decrease because disorder decreases.

ΔS is negative

shaalaa.com
  क्या इस प्रश्न या उत्तर में कोई त्रुटि है?

APPEARS IN

वीडियो ट्यूटोरियलVIEW ALL [1]

संबंधित प्रश्न

Gold occurs as face centred cube and has a density of 19.30 kg dm-3. Calculate atomic radius of gold. (Molar mass of Au = 197)


Face centred cubic crystal lattice of copper has density of 8.966 g.cm-3. Calculate the volume of the unit cell. Given molar mass of copper is 63.5 g mol-1 and Avogadro number Nis 6.022 x 1023 mol-1


Distinguish between Hexagonal and monoclinic unit cells


How can you determine the atomic mass of an unknown metal if you know its density and the dimension of its unit cell? Explain.


A face centred cube (FCC) consists of how many atoms? Explain


An element has atomic mass 93 g mol−1 and density 11.5 g cm–3. If the edge length of its unit cell is 300 pm, identify the type of unit cell. (NA = 6.023 × 1023 mol−1)


An element 'X' (At. mass = 40 g mol-1) having f.c.c. the structure has unit cell edge length of 400 pm. Calculate the density of 'X' and the number of unit cells in 4 g of 'X'. (NA = 6.022 × 1023 mol-1)


The density of silver having an atomic mass of 107.8 g mol- 1 is 10.8 g cm-3. If the edge length of cubic unit cell is 4.05 × 10- 8
 cm, find the number of silver atoms in the unit cell.
 ( NA = 6.022 × 1023, 1 Å = 10-8 cm)


An atom located at the body center of a cubic unit cell is shared by ____________.


Volume of unit cell occupied in face-centered cubic arrangement is ____________.


An element forms a cubic unit cell with edge length 405 pm. Molar mass of this element is 2.7 × 10−2 kg/mol and its density is given as 2.7 × 103 kg/m3. How many atoms of these elements are present per unit cell?


A metal has a body-centered cubic crystal structure. The density of the metal is 5.96 g/cm3. Find the volume of the unit cell if the atomic mass of metal is 50.


Sodium metal crystallises in a body-centred cubic lattice with a unit cell edge of 4.29 Å. The radius of the sodium atom is approximately ______.


The number of atoms contained in a fcc unit cell of a monoatomic substance is ____________.


Which of the following metal(s) show(s) hexagonal close-packed structure (hcp) and which show face-centered cubic (fcc) structure?


The edge length of fcc cell is 508 pm. If the radius of cation is 110 pm, the radius of anion is:


The percentage of empty space in a body centred cubic arrangement is ______.


Match the type of unit cell given in Column I with the features given in Column II.

Column I Column II
(i) Primitive cubic unit cell (a) Each of the three perpendicular edges compulsorily have the different edge length i.e; a ≠ b ≠ c.
(ii) Body centred cubic unit cell (b) Number of atoms per unit cell is one.
(iii) Face centred cubic unit cell (c) Each of the three perpendicular edges compulsorily have the same edge length i.e; a = b = c.
(iv) End centred orthorhombic cell (d) In addition to the contribution from unit cell the corner atoms the number of atoms present in a unit cell is one.
  (e) In addition to the contribution from the corner atoms the number of atoms present in a unit cell is three.

The correct set of quantum numbers for 3d subshell is 


The coordination number for body center cubic (BCC) system is


The correct set of quantum numbers for 2p sub shell is:


Percentage of free space in body centred cubic unit cell is


If a represents the edge length of the cubic systems, i.e. simple cubic, body centred cubic and face centered cubic, then the ratio of the radii of the sphere in these system will be:-


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×