The bond angle in H2Se would be predicted should be less than 109.5 degrees. Particle shapes can be anticipated in light of Lewis dab structure utilizing the VSEPR hypothesis. VSEPR remains for Valence Shell Electron Pair Repulsion. It expresses that electron matches in the valence shell of a particle repulse each other; their sub-atomic geometry is the consequence of this shock.
Answer: A. unsaturated.
Explanation:
Unsaturated solution is defined as the solution in which more solute particles can be dissolved in the solvent.
Saturated solution is defined as the solution in which no more solute particles can be dissolved in the solvent.
Supersaturated solution is defined as the solution in which more amount of solute particles is present than the solvent particles.
Given: Solubility = 30g/100ml
If 100 ml can dissolve ionic compound = 30 g
300 ml can dissolve ionic compound =
Thus solubility is 90g/300 ml and dissolved salt is only 70 g , the solution is said to be unsaturated.
Answer:
-85 °C
Explanation:
O and S are in the same group( Group 16). Since S is below O it's atomic mass is higher than O. So molar mass of H2S is higher than H2O. The strength of Vanderwaal Interactions ( London dispersion forces) increases when the molar mass increases. However, only H2O can form H bonds with each other. This is because electronegativity of O is higher than S and therefore H in H2O has a higher partial positive charge than H of H2S.
H bond dominate among these 2 types of forces so the strength of attractions between molecules is higher in H2O than H2S. Therefore more energy should be supplied for H2O to break inter
molecular forces and convert from solid to liquid state than H2S. So mpt of H2O must be higher than that of H2S.
Answer:
Explanation:
I just had this question on my test
Answer:
The process of the sedimentation will take more time when carried out in the moon surface as compared to the earth's surface because of the less gravitational force.
Explanation:
Sedimentation is process in which the particles present in the suspension in water settle down of the suspension under the effect of gravity. The particle that has been settled down are the sediments. For the process to take place, gravity plays a vital role, but as we know that the gravitational force in moon is 1/6th or can say 16.7% of earth's gravitational force. So it will take more time as compared to the experiment done in the earth surface.
